﻿<?xml version="1.0" encoding="UTF-8"?>
<Portfolio>
  <Name>COMEX Silver 3M Spreads</Name>
  <Categories>
    <PortfolioCategory>
      <Name>SI 3M Spreads 2019</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>[SIF19]-[SIJ19]</Name>
          <Description>COMEX Silver Sp JAN19 - APR19</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG19]-[SIK19]</Name>
          <Description>COMEX Silver Sp FEB19 - MAY19</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH19]-[SIM19]</Name>
          <Description>COMEX Silver Sp MAR19 - JUN19</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ19]-[SIN19]</Name>
          <Description>COMEX Silver Sp APR19 - JUL19</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK19]-[SIQ19]</Name>
          <Description>COMEX Silver Sp MAY19 - AUG19</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM19]-[SIU19]</Name>
          <Description>COMEX Silver Sp JUN19 - SEP19</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN19]-[SIV19]</Name>
          <Description>COMEX Silver Sp JUL19 - OCT19</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ19]-[SIX19]</Name>
          <Description>COMEX Silver Sp AUG19 - NOV19</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU19]-[SIZ19]</Name>
          <Description>COMEX Silver Sp SEP19 - DEC19</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV19]-[SIF20]</Name>
          <Description>COMEX Silver Sp OCT19 - JAN20</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX19]-[SIG20]</Name>
          <Description>COMEX Silver Sp NOV19 - FEB20</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ19]-[SIH20]</Name>
          <Description>COMEX Silver Sp DEC19 - MAR20</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 3M Spreads 2020</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>[SIF20]-[SIJ20]</Name>
          <Description>COMEX Silver Sp JAN20 - APR20</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG20]-[SIK20]</Name>
          <Description>COMEX Silver Sp FEB20 - MAY20</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH20]-[SIM20]</Name>
          <Description>COMEX Silver Sp MAR20 - JUN20</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ20]-[SIN20]</Name>
          <Description>COMEX Silver Sp APR20 - JUL20</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK20]-[SIQ20]</Name>
          <Description>COMEX Silver Sp MAY20 - AUG20</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM20]-[SIU20]</Name>
          <Description>COMEX Silver Sp JUN20 - SEP20</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN20]-[SIV20]</Name>
          <Description>COMEX Silver Sp JUL20 - OCT20</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ20]-[SIX20]</Name>
          <Description>COMEX Silver Sp AUG20 - NOV20</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU20]-[SIZ20]</Name>
          <Description>COMEX Silver Sp SEP20 - DEC20</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV20]-[SIF21]</Name>
          <Description>COMEX Silver Sp OCT20 - JAN21</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX20]-[SIG21]</Name>
          <Description>COMEX Silver Sp NOV20 - FEB21</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ20]-[SIH21]</Name>
          <Description>COMEX Silver Sp DEC20 - MAR21</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 3M Spreads 2021</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>[SIF21]-[SIJ21]</Name>
          <Description>COMEX Silver Sp JAN21 - APR21</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG21]-[SIK21]</Name>
          <Description>COMEX Silver Sp FEB21 - MAY21</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH21]-[SIM21]</Name>
          <Description>COMEX Silver Sp MAR21 - JUN21</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ21]-[SIN21]</Name>
          <Description>COMEX Silver Sp APR21 - JUL21</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK21]-[SIQ21]</Name>
          <Description>COMEX Silver Sp MAY21 - AUG21</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM21]-[SIU21]</Name>
          <Description>COMEX Silver Sp JUN21 - SEP21</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN21]-[SIV21]</Name>
          <Description>COMEX Silver Sp JUL21 - OCT21</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ21]-[SIX21]</Name>
          <Description>COMEX Silver Sp AUG21 - NOV21</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU21]-[SIZ21]</Name>
          <Description>COMEX Silver Sp SEP21 - DEC21</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV21]-[SIF22]</Name>
          <Description>COMEX Silver Sp OCT21 - JAN22</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX21]-[SIG22]</Name>
          <Description>COMEX Silver Sp NOV21 - FEB22</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ21]-[SIH22]</Name>
          <Description>COMEX Silver Sp DEC21 - MAR22</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 3M Spreads 2022</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>[SIF22]-[SIJ22]</Name>
          <Description>COMEX Silver Sp JAN22 - APR22</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG22]-[SIK22]</Name>
          <Description>COMEX Silver Sp FEB22 - MAY22</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH22]-[SIM22]</Name>
          <Description>COMEX Silver Sp MAR22 - JUN22</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ22]-[SIN22]</Name>
          <Description>COMEX Silver Sp APR22 - JUL22</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK22]-[SIQ22]</Name>
          <Description>COMEX Silver Sp MAY22 - AUG22</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM22]-[SIU22]</Name>
          <Description>COMEX Silver Sp JUN22 - SEP22</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN22]-[SIV22]</Name>
          <Description>COMEX Silver Sp JUL22 - OCT22</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ22]-[SIX22]</Name>
          <Description>COMEX Silver Sp AUG22 - NOV22</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU22]-[SIZ22]</Name>
          <Description>COMEX Silver Sp SEP22 - DEC22</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV22]-[SIF23]</Name>
          <Description>COMEX Silver Sp OCT22 - JAN23</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX22]-[SIG23]</Name>
          <Description>COMEX Silver Sp NOV22 - FEB23</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ22]-[SIH23]</Name>
          <Description>COMEX Silver Sp DEC22 - MAR23</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 3M Spreads 2023</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>[SIF23]-[SIJ23]</Name>
          <Description>COMEX Silver Sp JAN23 - APR23</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG23]-[SIK23]</Name>
          <Description>COMEX Silver Sp FEB23 - MAY23</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH23]-[SIM23]</Name>
          <Description>COMEX Silver Sp MAR23 - JUN23</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ23]-[SIN23]</Name>
          <Description>COMEX Silver Sp APR23 - JUL23</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK23]-[SIQ23]</Name>
          <Description>COMEX Silver Sp MAY23 - AUG23</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM23]-[SIU23]</Name>
          <Description>COMEX Silver Sp JUN23 - SEP23</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN23]-[SIV23]</Name>
          <Description>COMEX Silver Sp JUL23 - OCT23</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ23]-[SIX23]</Name>
          <Description>COMEX Silver Sp AUG23 - NOV23</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU23]-[SIZ23]</Name>
          <Description>COMEX Silver Sp SEP23 - DEC23</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV23]-[SIF24]</Name>
          <Description>COMEX Silver Sp OCT23 - JAN24</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX23]-[SIG24]</Name>
          <Description>COMEX Silver Sp NOV23 - FEB24</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ23]-[SIH24]</Name>
          <Description>COMEX Silver Sp DEC23 - MAR24</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 3M Spreads 2024</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>[SIF24]-[SIJ24]</Name>
          <Description>COMEX Silver Sp JAN24 - APR24</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG24]-[SIK24]</Name>
          <Description>COMEX Silver Sp FEB24 - MAY24</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH24]-[SIM24]</Name>
          <Description>COMEX Silver Sp MAR24 - JUN24</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ24]-[SIN24]</Name>
          <Description>COMEX Silver Sp APR24 - JUL24</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK24]-[SIQ24]</Name>
          <Description>COMEX Silver Sp MAY24 - AUG24</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM24]-[SIU24]</Name>
          <Description>COMEX Silver Sp JUN24 - SEP24</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN24]-[SIV24]</Name>
          <Description>COMEX Silver Sp JUL24 - OCT24</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ24]-[SIX24]</Name>
          <Description>COMEX Silver Sp AUG24 - NOV24</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU24]-[SIZ24]</Name>
          <Description>COMEX Silver Sp SEP24 - DEC24</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV24]-[SIF25]</Name>
          <Description>COMEX Silver Sp OCT24 - JAN25</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX24]-[SIG25]</Name>
          <Description>COMEX Silver Sp NOV24 - FEB25</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ24]-[SIH25]</Name>
          <Description>COMEX Silver Sp DEC24 - MAR25</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 3M Spreads 2025</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>[SIF25]-[SIJ25]</Name>
          <Description>COMEX Silver Sp JAN25 - APR25</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG25]-[SIK25]</Name>
          <Description>COMEX Silver Sp FEB25 - MAY25</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIH25]-[SIM25]</Name>
          <Description>COMEX Silver Sp MAR25 - JUN25</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ25]-[SIN25]</Name>
          <Description>COMEX Silver Sp APR25 - JUL25</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK25]-[SIQ25]</Name>
          <Description>COMEX Silver Sp MAY25 - AUG25</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM25]-[SIU25]</Name>
          <Description>COMEX Silver Sp JUN25 - SEP25</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN25]-[SIV25]</Name>
          <Description>COMEX Silver Sp JUL25 - OCT25</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ25]-[SIX25]</Name>
          <Description>COMEX Silver Sp AUG25 - NOV25</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIU25]-[SIZ25]</Name>
          <Description>COMEX Silver Sp SEP25 - DEC25</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIV25]-[SIF26]</Name>
          <Description>COMEX Silver Sp OCT25 - JAN26</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIX25]-[SIG26]</Name>
          <Description>COMEX Silver Sp NOV25 - FEB26</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIZ25]-[SIH26]</Name>
          <Description>COMEX Silver Sp DEC25 - MAR26</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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      <Name>SI 3M Spreads 2026</Name>
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        <PortfolioSymbol>
          <Name>[SIF26]-[SIJ26]</Name>
          <Description>COMEX Silver Sp JAN26 - APR26</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIG26]-[SIK26]</Name>
          <Description>COMEX Silver Sp FEB26 - MAY26</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIH26]-[SIM26]</Name>
          <Description>COMEX Silver Sp MAR26 - JUN26</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIJ26]-[SIN26]</Name>
          <Description>COMEX Silver Sp APR26 - JUL26</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIK26]-[SIQ26]</Name>
          <Description>COMEX Silver Sp MAY26 - AUG26</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIM26]-[SIU26]</Name>
          <Description>COMEX Silver Sp JUN26 - SEP26</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIN26]-[SIV26]</Name>
          <Description>COMEX Silver Sp JUL26 - OCT26</Description>
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          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIQ26]-[SIX26]</Name>
          <Description>COMEX Silver Sp AUG26 - NOV26</Description>
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          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIU26]-[SIZ26]</Name>
          <Description>COMEX Silver Sp SEP26 - DEC26</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIV26]-[SIF27]</Name>
          <Description>COMEX Silver Sp OCT26 - JAN27</Description>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIX26]-[SIG27]</Name>
          <Description>COMEX Silver Sp NOV26 - FEB27</Description>
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          <PipSize>2</PipSize>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIZ26]-[SIH27]</Name>
          <Description>COMEX Silver Sp DEC26 - MAR27</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
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    <PortfolioCategory>
      <Name>SI 3M Spreads 2027</Name>
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        <PortfolioSymbol>
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          <Description>COMEX Silver Sp JAN27 - APR27</Description>
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        <PortfolioSymbol>
          <Name>[SIG27]-[SIK27]</Name>
          <Description>COMEX Silver Sp FEB27 - MAY27</Description>
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        <PortfolioSymbol>
          <Name>[SIH27]-[SIM27]</Name>
          <Description>COMEX Silver Sp MAR27 - JUN27</Description>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIJ27]-[SIN27]</Name>
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        <PortfolioSymbol>
          <Name>[SIK27]-[SIQ27]</Name>
          <Description>COMEX Silver Sp MAY27 - AUG27</Description>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIM27]-[SIU27]</Name>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIN27]-[SIV27]</Name>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIQ27]-[SIX27]</Name>
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          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIU27]-[SIZ27]</Name>
          <Description>COMEX Silver Sp SEP27 - DEC27</Description>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIV27]-[SIF28]</Name>
          <Description>COMEX Silver Sp OCT27 - JAN28</Description>
          <Decimals>2</Decimals>
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          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIX27]-[SIG28]</Name>
          <Description>COMEX Silver Sp NOV27 - FEB28</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIZ27]-[SIH28]</Name>
          <Description>COMEX Silver Sp DEC27 - MAR28</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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    <PortfolioCategory>
      <Name>SI 3M Spreads 2028</Name>
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        <PortfolioSymbol>
          <Name>[SIF28]-[SIJ28]</Name>
          <Description>COMEX Silver Sp JAN28 - APR28</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG28]-[SIK28]</Name>
          <Description>COMEX Silver Sp FEB28 - MAY28</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH28]-[SIM28]</Name>
          <Description>COMEX Silver Sp MAR28 - JUN28</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIJ28]-[SIN28]</Name>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIK28]-[SIQ28]</Name>
          <Description>COMEX Silver Sp MAY28 - AUG28</Description>
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          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIM28]-[SIU28]</Name>
          <Description>COMEX Silver Sp JUN28 - SEP28</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN28]-[SIV28]</Name>
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          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ28]-[SIX28]</Name>
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          <Decimals>2</Decimals>
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          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIU28]-[SIZ28]</Name>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV28]-[SIF29]</Name>
          <Description>COMEX Silver Sp OCT28 - JAN29</Description>
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          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIX28]-[SIG29]</Name>
          <Description>COMEX Silver Sp NOV28 - FEB29</Description>
          <Decimals>2</Decimals>
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          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ28]-[SIH29]</Name>
          <Description>COMEX Silver Sp DEC28 - MAR29</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
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    <PortfolioCategory>
      <Name>SI 3M Spreads 2029</Name>
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        <PortfolioSymbol>
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          <Description>COMEX Silver Sp JAN29 - APR29</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIG29]-[SIK29]</Name>
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          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIH29]-[SIM29]</Name>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ29]-[SIN29]</Name>
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          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK29]-[SIQ29]</Name>
          <Description>COMEX Silver Sp MAY29 - AUG29</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM29]-[SIU29]</Name>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN29]-[SIV29]</Name>
          <Description>COMEX Silver Sp JUL29 - OCT29</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ29]-[SIX29]</Name>
          <Description>COMEX Silver Sp AUG29 - NOV29</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU29]-[SIZ29]</Name>
          <Description>COMEX Silver Sp SEP29 - DEC29</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV29]-[SIF30]</Name>
          <Description>COMEX Silver Sp OCT29 - JAN30</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX29]-[SIG30]</Name>
          <Description>COMEX Silver Sp NOV29 - FEB30</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ29]-[SIH30]</Name>
          <Description>COMEX Silver Sp DEC29 - MAR30</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 3M Spreads 2030</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>[SIF30]-[SIJ30]</Name>
          <Description>COMEX Silver Sp JAN30 - APR30</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG30]-[SIK30]</Name>
          <Description>COMEX Silver Sp FEB30 - MAY30</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH30]-[SIM30]</Name>
          <Description>COMEX Silver Sp MAR30 - JUN30</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ30]-[SIN30]</Name>
          <Description>COMEX Silver Sp APR30 - JUL30</Description>
          <Decimals>2</Decimals>
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          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK30]-[SIQ30]</Name>
          <Description>COMEX Silver Sp MAY30 - AUG30</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM30]-[SIU30]</Name>
          <Description>COMEX Silver Sp JUN30 - SEP30</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN30]-[SIV30]</Name>
          <Description>COMEX Silver Sp JUL30 - OCT30</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ30]-[SIX30]</Name>
          <Description>COMEX Silver Sp AUG30 - NOV30</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU30]-[SIZ30]</Name>
          <Description>COMEX Silver Sp SEP30 - DEC30</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV30]-[SIF31]</Name>
          <Description>COMEX Silver Sp OCT30 - JAN31</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX30]-[SIG31]</Name>
          <Description>COMEX Silver Sp NOV30 - FEB31</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ30]-[SIH31]</Name>
          <Description>COMEX Silver Sp DEC30 - MAR31</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 3M Spreads 2031</Name>
      <Symbols>
        <PortfolioSymbol>
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          <Description>COMEX Silver Sp JAN31 - APR31</Description>
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          <Name>[SIG31]-[SIK31]</Name>
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          <Name>[SIH31]-[SIM31]</Name>
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          <Name>[SIJ31]-[SIN31]</Name>
          <Description>COMEX Silver Sp APR31 - JUL31</Description>
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          <PipSize>2</PipSize>
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          <Name>[SIK31]-[SIQ31]</Name>
          <Description>COMEX Silver Sp MAY31 - AUG31</Description>
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          <Name>[SIM31]-[SIU31]</Name>
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          <PipSize>2</PipSize>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIN31]-[SIV31]</Name>
          <Description>COMEX Silver Sp JUL31 - OCT31</Description>
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          <PipSize>2</PipSize>
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          <Name>[SIQ31]-[SIX31]</Name>
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          <TickSize>0.1</TickSize>
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          <Name>[SIU31]-[SIZ31]</Name>
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          <TickSize>0.1</TickSize>
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          <Name>[SIV31]-[SIF32]</Name>
          <Description>COMEX Silver Sp OCT31 - JAN32</Description>
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          <Name>[SIX31]-[SIG32]</Name>
          <Description>COMEX Silver Sp NOV31 - FEB32</Description>
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        <PortfolioSymbol>
          <Name>[SIZ31]-[SIH32]</Name>
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          <Description>COMEX Silver Sp JAN32 - APR32</Description>
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        <PortfolioSymbol>
          <Name>[SIG32]-[SIK32]</Name>
          <Description>COMEX Silver Sp FEB32 - MAY32</Description>
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          <Name>[SIH32]-[SIM32]</Name>
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          <Description>COMEX Silver Sp APR32 - JUL32</Description>
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          <Description>COMEX Silver Sp MAY32 - AUG32</Description>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIM32]-[SIU32]</Name>
          <Description>COMEX Silver Sp JUN32 - SEP32</Description>
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          <TickSize>0.1</TickSize>
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          <Description>COMEX Silver Sp JUL32 - OCT32</Description>
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          <Name>[SIU32]-[SIZ32]</Name>
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          <Description>COMEX Silver Sp OCT32 - JAN33</Description>
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        <PortfolioSymbol>
          <Name>[SIG34]-[SIK34]</Name>
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        <PortfolioSymbol>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
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          <Name>[SIM34]-[SIU34]</Name>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
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          <TickSize>0.1</TickSize>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
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          <PipSize>2</PipSize>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIV35]-[SIF36]</Name>
          <Description>COMEX Silver Sp OCT35 - JAN36</Description>
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          <PipSize>2</PipSize>
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          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX35]-[SIG36]</Name>
          <Description>COMEX Silver Sp NOV35 - FEB36</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ35]-[SIH36]</Name>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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    <PortfolioCategory>
      <Name>SI 3M Spreads 2036</Name>
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        <PortfolioSymbol>
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          <Description>COMEX Silver Sp JAN36 - APR36</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG36]-[SIK36]</Name>
          <Description>COMEX Silver Sp FEB36 - MAY36</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH36]-[SIM36]</Name>
          <Description>COMEX Silver Sp MAR36 - JUN36</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIJ36]-[SIN36]</Name>
          <Description>COMEX Silver Sp APR36 - JUL36</Description>
          <Decimals>2</Decimals>
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          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIK36]-[SIQ36]</Name>
          <Description>COMEX Silver Sp MAY36 - AUG36</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIM36]-[SIU36]</Name>
          <Description>COMEX Silver Sp JUN36 - SEP36</Description>
          <Decimals>2</Decimals>
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          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN36]-[SIV36]</Name>
          <Description>COMEX Silver Sp JUL36 - OCT36</Description>
          <Decimals>2</Decimals>
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          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ36]-[SIX36]</Name>
          <Description>COMEX Silver Sp AUG36 - NOV36</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU36]-[SIZ36]</Name>
          <Description>COMEX Silver Sp SEP36 - DEC36</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV36]-[SIF37]</Name>
          <Description>COMEX Silver Sp OCT36 - JAN37</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX36]-[SIG37]</Name>
          <Description>COMEX Silver Sp NOV36 - FEB37</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ36]-[SIH37]</Name>
          <Description>COMEX Silver Sp DEC36 - MAR37</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 3M Spreads 2037</Name>
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        <PortfolioSymbol>
          <Name>[SIF37]-[SIJ37]</Name>
          <Description>COMEX Silver Sp JAN37 - APR37</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG37]-[SIK37]</Name>
          <Description>COMEX Silver Sp FEB37 - MAY37</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH37]-[SIM37]</Name>
          <Description>COMEX Silver Sp MAR37 - JUN37</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ37]-[SIN37]</Name>
          <Description>COMEX Silver Sp APR37 - JUL37</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK37]-[SIQ37]</Name>
          <Description>COMEX Silver Sp MAY37 - AUG37</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM37]-[SIU37]</Name>
          <Description>COMEX Silver Sp JUN37 - SEP37</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN37]-[SIV37]</Name>
          <Description>COMEX Silver Sp JUL37 - OCT37</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ37]-[SIX37]</Name>
          <Description>COMEX Silver Sp AUG37 - NOV37</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU37]-[SIZ37]</Name>
          <Description>COMEX Silver Sp SEP37 - DEC37</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV37]-[SIF38]</Name>
          <Description>COMEX Silver Sp OCT37 - JAN38</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX37]-[SIG38]</Name>
          <Description>COMEX Silver Sp NOV37 - FEB38</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ37]-[SIH38]</Name>
          <Description>COMEX Silver Sp DEC37 - MAR38</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 3M Spreads 2038</Name>
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        <PortfolioSymbol>
          <Name>[SIF38]-[SIJ38]</Name>
          <Description>COMEX Silver Sp JAN38 - APR38</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG38]-[SIK38]</Name>
          <Description>COMEX Silver Sp FEB38 - MAY38</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH38]-[SIM38]</Name>
          <Description>COMEX Silver Sp MAR38 - JUN38</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ38]-[SIN38]</Name>
          <Description>COMEX Silver Sp APR38 - JUL38</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK38]-[SIQ38]</Name>
          <Description>COMEX Silver Sp MAY38 - AUG38</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM38]-[SIU38]</Name>
          <Description>COMEX Silver Sp JUN38 - SEP38</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN38]-[SIV38]</Name>
          <Description>COMEX Silver Sp JUL38 - OCT38</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ38]-[SIX38]</Name>
          <Description>COMEX Silver Sp AUG38 - NOV38</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU38]-[SIZ38]</Name>
          <Description>COMEX Silver Sp SEP38 - DEC38</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV38]-[SIF39]</Name>
          <Description>COMEX Silver Sp OCT38 - JAN39</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX38]-[SIG39]</Name>
          <Description>COMEX Silver Sp NOV38 - FEB39</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ38]-[SIH39]</Name>
          <Description>COMEX Silver Sp DEC38 - MAR39</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 3M Spreads 2039</Name>
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        <PortfolioSymbol>
          <Name>[SIF39]-[SIJ39]</Name>
          <Description>COMEX Silver Sp JAN39 - APR39</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG39]-[SIK39]</Name>
          <Description>COMEX Silver Sp FEB39 - MAY39</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIH39]-[SIM39]</Name>
          <Description>COMEX Silver Sp MAR39 - JUN39</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIJ39]-[SIN39]</Name>
          <Description>COMEX Silver Sp APR39 - JUL39</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIK39]-[SIQ39]</Name>
          <Description>COMEX Silver Sp MAY39 - AUG39</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIM39]-[SIU39]</Name>
          <Description>COMEX Silver Sp JUN39 - SEP39</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN39]-[SIV39]</Name>
          <Description>COMEX Silver Sp JUL39 - OCT39</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ39]-[SIX39]</Name>
          <Description>COMEX Silver Sp AUG39 - NOV39</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIU39]-[SIZ39]</Name>
          <Description>COMEX Silver Sp SEP39 - DEC39</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV39]-[SIF40]</Name>
          <Description>COMEX Silver Sp OCT39 - JAN40</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX39]-[SIG40]</Name>
          <Description>COMEX Silver Sp NOV39 - FEB40</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ39]-[SIH40]</Name>
          <Description>COMEX Silver Sp DEC39 - MAR40</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 3M Spreads 2040</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>[SIF40]-[SIJ40]</Name>
          <Description>COMEX Silver Sp JAN40 - APR40</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG40]-[SIK40]</Name>
          <Description>COMEX Silver Sp FEB40 - MAY40</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH40]-[SIM40]</Name>
          <Description>COMEX Silver Sp MAR40 - JUN40</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ40]-[SIN40]</Name>
          <Description>COMEX Silver Sp APR40 - JUL40</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK40]-[SIQ40]</Name>
          <Description>COMEX Silver Sp MAY40 - AUG40</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM40]-[SIU40]</Name>
          <Description>COMEX Silver Sp JUN40 - SEP40</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN40]-[SIV40]</Name>
          <Description>COMEX Silver Sp JUL40 - OCT40</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ40]-[SIX40]</Name>
          <Description>COMEX Silver Sp AUG40 - NOV40</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU40]-[SIZ40]</Name>
          <Description>COMEX Silver Sp SEP40 - DEC40</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV40]-[SIF41]</Name>
          <Description>COMEX Silver Sp OCT40 - JAN41</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX40]-[SIG41]</Name>
          <Description>COMEX Silver Sp NOV40 - FEB41</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ40]-[SIH41]</Name>
          <Description>COMEX Silver Sp DEC40 - MAR41</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 3M Spreads 2041</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>[SIF41]-[SIJ41]</Name>
          <Description>COMEX Silver Sp JAN41 - APR41</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG41]-[SIK41]</Name>
          <Description>COMEX Silver Sp FEB41 - MAY41</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH41]-[SIM41]</Name>
          <Description>COMEX Silver Sp MAR41 - JUN41</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ41]-[SIN41]</Name>
          <Description>COMEX Silver Sp APR41 - JUL41</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK41]-[SIQ41]</Name>
          <Description>COMEX Silver Sp MAY41 - AUG41</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM41]-[SIU41]</Name>
          <Description>COMEX Silver Sp JUN41 - SEP41</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN41]-[SIV41]</Name>
          <Description>COMEX Silver Sp JUL41 - OCT41</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ41]-[SIX41]</Name>
          <Description>COMEX Silver Sp AUG41 - NOV41</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU41]-[SIZ41]</Name>
          <Description>COMEX Silver Sp SEP41 - DEC41</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV41]-[SIF42]</Name>
          <Description>COMEX Silver Sp OCT41 - JAN42</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX41]-[SIG42]</Name>
          <Description>COMEX Silver Sp NOV41 - FEB42</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ41]-[SIH42]</Name>
          <Description>COMEX Silver Sp DEC41 - MAR42</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 3M Spreads 2042</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>[SIF42]-[SIJ42]</Name>
          <Description>COMEX Silver Sp JAN42 - APR42</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG42]-[SIK42]</Name>
          <Description>COMEX Silver Sp FEB42 - MAY42</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH42]-[SIM42]</Name>
          <Description>COMEX Silver Sp MAR42 - JUN42</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ42]-[SIN42]</Name>
          <Description>COMEX Silver Sp APR42 - JUL42</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK42]-[SIQ42]</Name>
          <Description>COMEX Silver Sp MAY42 - AUG42</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM42]-[SIU42]</Name>
          <Description>COMEX Silver Sp JUN42 - SEP42</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN42]-[SIV42]</Name>
          <Description>COMEX Silver Sp JUL42 - OCT42</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ42]-[SIX42]</Name>
          <Description>COMEX Silver Sp AUG42 - NOV42</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU42]-[SIZ42]</Name>
          <Description>COMEX Silver Sp SEP42 - DEC42</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV42]-[SIF43]</Name>
          <Description>COMEX Silver Sp OCT42 - JAN43</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX42]-[SIG43]</Name>
          <Description>COMEX Silver Sp NOV42 - FEB43</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ42]-[SIH43]</Name>
          <Description>COMEX Silver Sp DEC42 - MAR43</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 3M Spreads 2043</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>[SIF43]-[SIJ43]</Name>
          <Description>COMEX Silver Sp JAN43 - APR43</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG43]-[SIK43]</Name>
          <Description>COMEX Silver Sp FEB43 - MAY43</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH43]-[SIM43]</Name>
          <Description>COMEX Silver Sp MAR43 - JUN43</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ43]-[SIN43]</Name>
          <Description>COMEX Silver Sp APR43 - JUL43</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK43]-[SIQ43]</Name>
          <Description>COMEX Silver Sp MAY43 - AUG43</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM43]-[SIU43]</Name>
          <Description>COMEX Silver Sp JUN43 - SEP43</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN43]-[SIV43]</Name>
          <Description>COMEX Silver Sp JUL43 - OCT43</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ43]-[SIX43]</Name>
          <Description>COMEX Silver Sp AUG43 - NOV43</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU43]-[SIZ43]</Name>
          <Description>COMEX Silver Sp SEP43 - DEC43</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV43]-[SIF44]</Name>
          <Description>COMEX Silver Sp OCT43 - JAN44</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX43]-[SIG44]</Name>
          <Description>COMEX Silver Sp NOV43 - FEB44</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ43]-[SIH44]</Name>
          <Description>COMEX Silver Sp DEC43 - MAR44</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 3M Spreads 2044</Name>
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        <PortfolioSymbol>
          <Name>[SIF44]-[SIJ44]</Name>
          <Description>COMEX Silver Sp JAN44 - APR44</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG44]-[SIK44]</Name>
          <Description>COMEX Silver Sp FEB44 - MAY44</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH44]-[SIM44]</Name>
          <Description>COMEX Silver Sp MAR44 - JUN44</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ44]-[SIN44]</Name>
          <Description>COMEX Silver Sp APR44 - JUL44</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK44]-[SIQ44]</Name>
          <Description>COMEX Silver Sp MAY44 - AUG44</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM44]-[SIU44]</Name>
          <Description>COMEX Silver Sp JUN44 - SEP44</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN44]-[SIV44]</Name>
          <Description>COMEX Silver Sp JUL44 - OCT44</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ44]-[SIX44]</Name>
          <Description>COMEX Silver Sp AUG44 - NOV44</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU44]-[SIZ44]</Name>
          <Description>COMEX Silver Sp SEP44 - DEC44</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV44]-[SIF45]</Name>
          <Description>COMEX Silver Sp OCT44 - JAN45</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX44]-[SIG45]</Name>
          <Description>COMEX Silver Sp NOV44 - FEB45</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ44]-[SIH45]</Name>
          <Description>COMEX Silver Sp DEC44 - MAR45</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 3M Spreads 2045</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>[SIF45]-[SIJ45]</Name>
          <Description>COMEX Silver Sp JAN45 - APR45</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIG45]-[SIK45]</Name>
          <Description>COMEX Silver Sp FEB45 - MAY45</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIH45]-[SIM45]</Name>
          <Description>COMEX Silver Sp MAR45 - JUN45</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIJ45]-[SIN45]</Name>
          <Description>COMEX Silver Sp APR45 - JUL45</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK45]-[SIQ45]</Name>
          <Description>COMEX Silver Sp MAY45 - AUG45</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM45]-[SIU45]</Name>
          <Description>COMEX Silver Sp JUN45 - SEP45</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN45]-[SIV45]</Name>
          <Description>COMEX Silver Sp JUL45 - OCT45</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ45]-[SIX45]</Name>
          <Description>COMEX Silver Sp AUG45 - NOV45</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIU45]-[SIZ45]</Name>
          <Description>COMEX Silver Sp SEP45 - DEC45</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV45]-[SIF46]</Name>
          <Description>COMEX Silver Sp OCT45 - JAN46</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX45]-[SIG46]</Name>
          <Description>COMEX Silver Sp NOV45 - FEB46</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ45]-[SIH46]</Name>
          <Description>COMEX Silver Sp DEC45 - MAR46</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 3M Spreads 2046</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>[SIF46]-[SIJ46]</Name>
          <Description>COMEX Silver Sp JAN46 - APR46</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG46]-[SIK46]</Name>
          <Description>COMEX Silver Sp FEB46 - MAY46</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH46]-[SIM46]</Name>
          <Description>COMEX Silver Sp MAR46 - JUN46</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ46]-[SIN46]</Name>
          <Description>COMEX Silver Sp APR46 - JUL46</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK46]-[SIQ46]</Name>
          <Description>COMEX Silver Sp MAY46 - AUG46</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM46]-[SIU46]</Name>
          <Description>COMEX Silver Sp JUN46 - SEP46</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN46]-[SIV46]</Name>
          <Description>COMEX Silver Sp JUL46 - OCT46</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ46]-[SIX46]</Name>
          <Description>COMEX Silver Sp AUG46 - NOV46</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU46]-[SIZ46]</Name>
          <Description>COMEX Silver Sp SEP46 - DEC46</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV46]-[SIF47]</Name>
          <Description>COMEX Silver Sp OCT46 - JAN47</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX46]-[SIG47]</Name>
          <Description>COMEX Silver Sp NOV46 - FEB47</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ46]-[SIH47]</Name>
          <Description>COMEX Silver Sp DEC46 - MAR47</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 3M Spreads 2047</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>[SIF47]-[SIJ47]</Name>
          <Description>COMEX Silver Sp JAN47 - APR47</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG47]-[SIK47]</Name>
          <Description>COMEX Silver Sp FEB47 - MAY47</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH47]-[SIM47]</Name>
          <Description>COMEX Silver Sp MAR47 - JUN47</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ47]-[SIN47]</Name>
          <Description>COMEX Silver Sp APR47 - JUL47</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK47]-[SIQ47]</Name>
          <Description>COMEX Silver Sp MAY47 - AUG47</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM47]-[SIU47]</Name>
          <Description>COMEX Silver Sp JUN47 - SEP47</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN47]-[SIV47]</Name>
          <Description>COMEX Silver Sp JUL47 - OCT47</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ47]-[SIX47]</Name>
          <Description>COMEX Silver Sp AUG47 - NOV47</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU47]-[SIZ47]</Name>
          <Description>COMEX Silver Sp SEP47 - DEC47</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV47]-[SIF48]</Name>
          <Description>COMEX Silver Sp OCT47 - JAN48</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX47]-[SIG48]</Name>
          <Description>COMEX Silver Sp NOV47 - FEB48</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ47]-[SIH48]</Name>
          <Description>COMEX Silver Sp DEC47 - MAR48</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 3M Spreads 2048</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>[SIF48]-[SIJ48]</Name>
          <Description>COMEX Silver Sp JAN48 - APR48</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG48]-[SIK48]</Name>
          <Description>COMEX Silver Sp FEB48 - MAY48</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH48]-[SIM48]</Name>
          <Description>COMEX Silver Sp MAR48 - JUN48</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ48]-[SIN48]</Name>
          <Description>COMEX Silver Sp APR48 - JUL48</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK48]-[SIQ48]</Name>
          <Description>COMEX Silver Sp MAY48 - AUG48</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM48]-[SIU48]</Name>
          <Description>COMEX Silver Sp JUN48 - SEP48</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN48]-[SIV48]</Name>
          <Description>COMEX Silver Sp JUL48 - OCT48</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ48]-[SIX48]</Name>
          <Description>COMEX Silver Sp AUG48 - NOV48</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU48]-[SIZ48]</Name>
          <Description>COMEX Silver Sp SEP48 - DEC48</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV48]-[SIF49]</Name>
          <Description>COMEX Silver Sp OCT48 - JAN49</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX48]-[SIG49]</Name>
          <Description>COMEX Silver Sp NOV48 - FEB49</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ48]-[SIH49]</Name>
          <Description>COMEX Silver Sp DEC48 - MAR49</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 3M Spreads 2049</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>[SIF49]-[SIJ49]</Name>
          <Description>COMEX Silver Sp JAN49 - APR49</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG49]-[SIK49]</Name>
          <Description>COMEX Silver Sp FEB49 - MAY49</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH49]-[SIM49]</Name>
          <Description>COMEX Silver Sp MAR49 - JUN49</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ49]-[SIN49]</Name>
          <Description>COMEX Silver Sp APR49 - JUL49</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK49]-[SIQ49]</Name>
          <Description>COMEX Silver Sp MAY49 - AUG49</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM49]-[SIU49]</Name>
          <Description>COMEX Silver Sp JUN49 - SEP49</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN49]-[SIV49]</Name>
          <Description>COMEX Silver Sp JUL49 - OCT49</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ49]-[SIX49]</Name>
          <Description>COMEX Silver Sp AUG49 - NOV49</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU49]-[SIZ49]</Name>
          <Description>COMEX Silver Sp SEP49 - DEC49</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV49]-[SIF50]</Name>
          <Description>COMEX Silver Sp OCT49 - JAN50</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX49]-[SIG50]</Name>
          <Description>COMEX Silver Sp NOV49 - FEB50</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ49]-[SIH50]</Name>
          <Description>COMEX Silver Sp DEC49 - MAR50</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 3M Spreads 2050</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>[SIF50]-[SIJ50]</Name>
          <Description>COMEX Silver Sp JAN50 - APR50</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG50]-[SIK50]</Name>
          <Description>COMEX Silver Sp FEB50 - MAY50</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH50]-[SIM50]</Name>
          <Description>COMEX Silver Sp MAR50 - JUN50</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ50]-[SIN50]</Name>
          <Description>COMEX Silver Sp APR50 - JUL50</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK50]-[SIQ50]</Name>
          <Description>COMEX Silver Sp MAY50 - AUG50</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM50]-[SIU50]</Name>
          <Description>COMEX Silver Sp JUN50 - SEP50</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN50]-[SIV50]</Name>
          <Description>COMEX Silver Sp JUL50 - OCT50</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ50]-[SIX50]</Name>
          <Description>COMEX Silver Sp AUG50 - NOV50</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU50]-[SIZ50]</Name>
          <Description>COMEX Silver Sp SEP50 - DEC50</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
  </Categories>
</Portfolio>