﻿<?xml version="1.0" encoding="UTF-8"?>
<Portfolio>
  <Name>@OFP - NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE</Name>
  <Categories>
    <PortfolioCategory>
      <Name>Year 2016</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@OFPF16</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JAN 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPG16</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE FEB 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPH16</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAR 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPJ16</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE APR 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPK16</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAY 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPM16</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUN 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPN16</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUL 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPQ16</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE AUG 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPU16</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE SEP 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPV16</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE OCT 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPX16</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE NOV 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPZ16</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE DEC 2016</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2017</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@OFPF17</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JAN 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPG17</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE FEB 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPH17</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAR 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPJ17</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE APR 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPK17</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAY 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPM17</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUN 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPN17</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUL 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPQ17</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE AUG 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPU17</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE SEP 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPV17</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE OCT 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPX17</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE NOV 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPZ17</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE DEC 2017</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2018</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@OFPF18</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JAN 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPG18</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE FEB 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPH18</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAR 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPJ18</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE APR 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPK18</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAY 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPM18</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUN 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPN18</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUL 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPQ18</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE AUG 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPU18</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE SEP 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPV18</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE OCT 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPX18</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE NOV 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPZ18</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE DEC 2018</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2019</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@OFPF19</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JAN 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPG19</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE FEB 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPH19</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAR 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPJ19</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE APR 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPK19</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAY 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPM19</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUN 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPN19</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUL 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPQ19</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE AUG 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPU19</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE SEP 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPV19</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE OCT 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPX19</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE NOV 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPZ19</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE DEC 2019</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2020</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@OFPF20</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JAN 2020</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPG20</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE FEB 2020</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPH20</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAR 2020</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPJ20</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE APR 2020</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPK20</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAY 2020</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPM20</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUN 2020</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPN20</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUL 2020</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPQ20</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE AUG 2020</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPU20</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE SEP 2020</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPV20</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE OCT 2020</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPX20</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE NOV 2020</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPZ20</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE DEC 2020</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2021</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@OFPF21</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JAN 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPG21</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE FEB 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPH21</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAR 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPJ21</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE APR 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPK21</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAY 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPM21</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUN 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPN21</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUL 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPQ21</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE AUG 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPU21</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE SEP 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPV21</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE OCT 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPX21</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE NOV 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPZ21</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE DEC 2021</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2022</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@OFPF22</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JAN 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPG22</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE FEB 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPH22</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAR 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPJ22</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE APR 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPK22</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAY 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPM22</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUN 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPN22</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUL 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPQ22</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE AUG 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPU22</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE SEP 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPV22</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE OCT 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPX22</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE NOV 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPZ22</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE DEC 2022</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2023</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@OFPF23</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JAN 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPG23</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE FEB 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPH23</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAR 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPJ23</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE APR 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPK23</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAY 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPM23</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUN 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPN23</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUL 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPQ23</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE AUG 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPU23</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE SEP 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPV23</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE OCT 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPX23</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE NOV 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPZ23</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE DEC 2023</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2024</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@OFPF24</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JAN 2024</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPG24</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE FEB 2024</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPH24</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAR 2024</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPJ24</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE APR 2024</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPK24</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAY 2024</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPM24</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUN 2024</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPN24</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUL 2024</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPQ24</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE AUG 2024</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPU24</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE SEP 2024</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPV24</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE OCT 2024</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPX24</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE NOV 2024</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPZ24</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE DEC 2024</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2025</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@OFPF25</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JAN 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPG25</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE FEB 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPH25</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAR 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPJ25</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE APR 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPK25</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAY 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPM25</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUN 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPN25</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUL 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPQ25</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE AUG 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPU25</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE SEP 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPV25</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE OCT 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPX25</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE NOV 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPZ25</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE DEC 2025</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2026</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@OFPF26</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JAN 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPG26</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE FEB 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPH26</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAR 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPJ26</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE APR 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPK26</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAY 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPM26</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUN 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPN26</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUL 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPQ26</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE AUG 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPU26</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE SEP 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPV26</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE OCT 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPX26</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE NOV 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPZ26</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE DEC 2026</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2027</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@OFPF27</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JAN 2027</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPG27</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE FEB 2027</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPH27</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAR 2027</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPJ27</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE APR 2027</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPK27</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAY 2027</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPM27</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUN 2027</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPN27</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUL 2027</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPQ27</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE AUG 2027</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPU27</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE SEP 2027</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPV27</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE OCT 2027</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPX27</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE NOV 2027</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPZ27</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE DEC 2027</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2028</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@OFPF28</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JAN 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPG28</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE FEB 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPH28</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAR 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPJ28</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE APR 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPK28</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAY 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPM28</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUN 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPN28</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUL 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPQ28</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE AUG 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPU28</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE SEP 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPV28</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE OCT 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPX28</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE NOV 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPZ28</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE DEC 2028</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2029</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@OFPF29</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JAN 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPG29</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE FEB 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPH29</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAR 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPJ29</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE APR 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPK29</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAY 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPM29</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUN 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPN29</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUL 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPQ29</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE AUG 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPU29</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE SEP 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPV29</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE OCT 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPX29</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE NOV 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPZ29</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE DEC 2029</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2030</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@OFPF30</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JAN 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPG30</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE FEB 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPH30</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAR 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPJ30</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE APR 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPK30</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAY 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPM30</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUN 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPN30</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUL 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPQ30</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE AUG 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPU30</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE SEP 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPV30</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE OCT 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPX30</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE NOV 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPZ30</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE DEC 2030</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2031</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@OFPF31</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JAN 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPG31</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE FEB 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPH31</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAR 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPJ31</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE APR 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPK31</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAY 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPM31</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUN 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPN31</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUL 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPQ31</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE AUG 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPU31</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE SEP 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPV31</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE OCT 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPX31</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE NOV 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPZ31</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE DEC 2031</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2032</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@OFPF32</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JAN 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPG32</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE FEB 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPH32</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAR 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPJ32</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE APR 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPK32</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAY 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPM32</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUN 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPN32</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUL 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPQ32</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE AUG 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPU32</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE SEP 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPV32</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE OCT 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPX32</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE NOV 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPZ32</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE DEC 2032</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2033</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@OFPF33</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JAN 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPG33</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE FEB 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPH33</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAR 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPJ33</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE APR 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPK33</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAY 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPM33</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUN 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPN33</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUL 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPQ33</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE AUG 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPU33</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE SEP 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPV33</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE OCT 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPX33</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE NOV 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPZ33</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE DEC 2033</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2034</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@OFPF34</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JAN 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPG34</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE FEB 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPH34</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAR 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPJ34</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE APR 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPK34</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAY 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPM34</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUN 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPN34</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUL 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPQ34</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE AUG 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPU34</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE SEP 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPV34</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE OCT 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPX34</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE NOV 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPZ34</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE DEC 2034</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2035</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@OFPF35</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JAN 2035</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPG35</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE FEB 2035</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPH35</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAR 2035</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPJ35</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE APR 2035</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPK35</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAY 2035</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPM35</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUN 2035</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPN35</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUL 2035</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPQ35</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE AUG 2035</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPU35</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE SEP 2035</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPV35</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE OCT 2035</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPX35</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE NOV 2035</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPZ35</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE DEC 2035</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2036</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@OFPF36</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JAN 2036</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPG36</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE FEB 2036</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPH36</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAR 2036</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPJ36</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE APR 2036</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPK36</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAY 2036</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPM36</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUN 2036</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPN36</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUL 2036</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPQ36</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE AUG 2036</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPU36</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE SEP 2036</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPV36</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE OCT 2036</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPX36</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE NOV 2036</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPZ36</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE DEC 2036</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2037</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@OFPF37</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JAN 2037</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPG37</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE FEB 2037</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPH37</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAR 2037</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPJ37</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE APR 2037</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPK37</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAY 2037</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPM37</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUN 2037</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPN37</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUL 2037</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPQ37</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE AUG 2037</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPU37</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE SEP 2037</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPV37</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE OCT 2037</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPX37</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE NOV 2037</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPZ37</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE DEC 2037</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2038</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@OFPF38</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JAN 2038</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPG38</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE FEB 2038</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPH38</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAR 2038</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPJ38</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE APR 2038</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPK38</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAY 2038</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPM38</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUN 2038</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPN38</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUL 2038</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPQ38</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE AUG 2038</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPU38</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE SEP 2038</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPV38</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE OCT 2038</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPX38</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE NOV 2038</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPZ38</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE DEC 2038</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2039</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@OFPF39</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JAN 2039</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPG39</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE FEB 2039</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPH39</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAR 2039</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPJ39</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE APR 2039</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPK39</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAY 2039</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPM39</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUN 2039</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPN39</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUL 2039</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPQ39</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE AUG 2039</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPU39</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE SEP 2039</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPV39</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE OCT 2039</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPX39</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE NOV 2039</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPZ39</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE DEC 2039</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2040</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@OFPF40</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JAN 2040</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPG40</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE FEB 2040</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPH40</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAR 2040</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPJ40</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE APR 2040</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPK40</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAY 2040</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPM40</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUN 2040</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPN40</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUL 2040</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPQ40</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE AUG 2040</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPU40</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE SEP 2040</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPV40</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE OCT 2040</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPX40</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE NOV 2040</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPZ40</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE DEC 2040</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2041</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@OFPF41</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JAN 2041</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPG41</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE FEB 2041</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPH41</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAR 2041</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPJ41</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE APR 2041</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPK41</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAY 2041</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPM41</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUN 2041</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPN41</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUL 2041</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPQ41</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE AUG 2041</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPU41</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE SEP 2041</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPV41</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE OCT 2041</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPX41</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE NOV 2041</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPZ41</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE DEC 2041</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2042</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@OFPF42</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JAN 2042</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPG42</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE FEB 2042</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPH42</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAR 2042</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPJ42</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE APR 2042</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPK42</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAY 2042</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPM42</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUN 2042</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPN42</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUL 2042</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPQ42</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE AUG 2042</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPU42</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE SEP 2042</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPV42</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE OCT 2042</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPX42</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE NOV 2042</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPZ42</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE DEC 2042</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2043</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@OFPF43</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JAN 2043</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPG43</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE FEB 2043</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPH43</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAR 2043</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPJ43</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE APR 2043</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPK43</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAY 2043</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPM43</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUN 2043</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPN43</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUL 2043</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPQ43</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE AUG 2043</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPU43</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE SEP 2043</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPV43</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE OCT 2043</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPX43</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE NOV 2043</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPZ43</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE DEC 2043</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2044</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@OFPF44</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JAN 2044</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPG44</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE FEB 2044</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPH44</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAR 2044</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPJ44</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE APR 2044</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPK44</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAY 2044</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPM44</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUN 2044</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPN44</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUL 2044</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPQ44</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE AUG 2044</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPU44</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE SEP 2044</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPV44</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE OCT 2044</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPX44</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE NOV 2044</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPZ44</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE DEC 2044</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2045</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@OFPF45</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JAN 2045</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPG45</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE FEB 2045</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPH45</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAR 2045</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPJ45</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE APR 2045</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPK45</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAY 2045</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPM45</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUN 2045</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPN45</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUL 2045</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPQ45</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE AUG 2045</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPU45</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE SEP 2045</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPV45</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE OCT 2045</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPX45</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE NOV 2045</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPZ45</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE DEC 2045</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2046</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@OFPF46</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JAN 2046</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPG46</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE FEB 2046</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPH46</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAR 2046</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPJ46</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE APR 2046</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPK46</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAY 2046</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPM46</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUN 2046</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPN46</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUL 2046</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPQ46</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE AUG 2046</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPU46</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE SEP 2046</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPV46</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE OCT 2046</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPX46</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE NOV 2046</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPZ46</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE DEC 2046</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2047</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@OFPF47</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JAN 2047</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPG47</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE FEB 2047</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPH47</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAR 2047</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPJ47</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE APR 2047</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPK47</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAY 2047</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPM47</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUN 2047</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPN47</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUL 2047</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPQ47</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE AUG 2047</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPU47</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE SEP 2047</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPV47</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE OCT 2047</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPX47</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE NOV 2047</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPZ47</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE DEC 2047</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2048</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@OFPF48</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JAN 2048</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPG48</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE FEB 2048</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPH48</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAR 2048</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPJ48</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE APR 2048</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPK48</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAY 2048</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPM48</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUN 2048</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPN48</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUL 2048</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPQ48</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE AUG 2048</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPU48</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE SEP 2048</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPV48</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE OCT 2048</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPX48</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE NOV 2048</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPZ48</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE DEC 2048</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2049</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@OFPF49</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JAN 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPG49</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE FEB 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPH49</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAR 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPJ49</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE APR 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPK49</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAY 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPM49</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUN 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPN49</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUL 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPQ49</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE AUG 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPU49</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE SEP 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPV49</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE OCT 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPX49</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE NOV 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPZ49</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE DEC 2049</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>Year 2050</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>@OFPF50</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JAN 2050</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPG50</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE FEB 2050</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPH50</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAR 2050</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPJ50</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE APR 2050</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPK50</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE MAY 2050</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPM50</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUN 2050</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPN50</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE JUL 2050</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPQ50</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE AUG 2050</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPU50</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE SEP 2050</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPV50</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE OCT 2050</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPX50</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE NOV 2050</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>@OFPZ50</Name>
          <Description>NFX CAISO SP15 HUB DAY AHEAD OFF PK FUTURE DEC 2050</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.01</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
  </Categories>
</Portfolio>