﻿<?xml version="1.0" encoding="UTF-8"?>
<Portfolio>
  <Name>COMEX Silver 1M Spreads</Name>
  <Categories>
    <PortfolioCategory>
      <Name>SI 1M Spreads 2019</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>[SIF19]-[SIG19]</Name>
          <Description>COMEX Silver Sp JAN19 - FEB19</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG19]-[SIH19]</Name>
          <Description>COMEX Silver Sp FEB19 - MAR19</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH19]-[SIJ19]</Name>
          <Description>COMEX Silver Sp MAR19 - APR19</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ19]-[SIK19]</Name>
          <Description>COMEX Silver Sp APR19 - MAY19</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK19]-[SIM19]</Name>
          <Description>COMEX Silver Sp MAY19 - JUN19</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM19]-[SIN19]</Name>
          <Description>COMEX Silver Sp JUN19 - JUL19</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN19]-[SIQ19]</Name>
          <Description>COMEX Silver Sp JUL19 - AUG19</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ19]-[SIU19]</Name>
          <Description>COMEX Silver Sp AUG19 - SEP19</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU19]-[SIV19]</Name>
          <Description>COMEX Silver Sp SEP19 - OCT19</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV19]-[SIX19]</Name>
          <Description>COMEX Silver Sp OCT19 - NOV19</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX19]-[SIZ19]</Name>
          <Description>COMEX Silver Sp NOV19 - DEC19</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ19]-[SIF20]</Name>
          <Description>COMEX Silver Sp DEC19 - JAN20</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 1M Spreads 2020</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>[SIF20]-[SIG20]</Name>
          <Description>COMEX Silver Sp JAN20 - FEB20</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG20]-[SIH20]</Name>
          <Description>COMEX Silver Sp FEB20 - MAR20</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH20]-[SIJ20]</Name>
          <Description>COMEX Silver Sp MAR20 - APR20</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ20]-[SIK20]</Name>
          <Description>COMEX Silver Sp APR20 - MAY20</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK20]-[SIM20]</Name>
          <Description>COMEX Silver Sp MAY20 - JUN20</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM20]-[SIN20]</Name>
          <Description>COMEX Silver Sp JUN20 - JUL20</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN20]-[SIQ20]</Name>
          <Description>COMEX Silver Sp JUL20 - AUG20</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ20]-[SIU20]</Name>
          <Description>COMEX Silver Sp AUG20 - SEP20</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU20]-[SIV20]</Name>
          <Description>COMEX Silver Sp SEP20 - OCT20</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV20]-[SIX20]</Name>
          <Description>COMEX Silver Sp OCT20 - NOV20</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX20]-[SIZ20]</Name>
          <Description>COMEX Silver Sp NOV20 - DEC20</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ20]-[SIF21]</Name>
          <Description>COMEX Silver Sp DEC20 - JAN21</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 1M Spreads 2021</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>[SIF21]-[SIG21]</Name>
          <Description>COMEX Silver Sp JAN21 - FEB21</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG21]-[SIH21]</Name>
          <Description>COMEX Silver Sp FEB21 - MAR21</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH21]-[SIJ21]</Name>
          <Description>COMEX Silver Sp MAR21 - APR21</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ21]-[SIK21]</Name>
          <Description>COMEX Silver Sp APR21 - MAY21</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK21]-[SIM21]</Name>
          <Description>COMEX Silver Sp MAY21 - JUN21</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM21]-[SIN21]</Name>
          <Description>COMEX Silver Sp JUN21 - JUL21</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN21]-[SIQ21]</Name>
          <Description>COMEX Silver Sp JUL21 - AUG21</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ21]-[SIU21]</Name>
          <Description>COMEX Silver Sp AUG21 - SEP21</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU21]-[SIV21]</Name>
          <Description>COMEX Silver Sp SEP21 - OCT21</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV21]-[SIX21]</Name>
          <Description>COMEX Silver Sp OCT21 - NOV21</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX21]-[SIZ21]</Name>
          <Description>COMEX Silver Sp NOV21 - DEC21</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ21]-[SIF22]</Name>
          <Description>COMEX Silver Sp DEC21 - JAN22</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 1M Spreads 2022</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>[SIF22]-[SIG22]</Name>
          <Description>COMEX Silver Sp JAN22 - FEB22</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG22]-[SIH22]</Name>
          <Description>COMEX Silver Sp FEB22 - MAR22</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH22]-[SIJ22]</Name>
          <Description>COMEX Silver Sp MAR22 - APR22</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ22]-[SIK22]</Name>
          <Description>COMEX Silver Sp APR22 - MAY22</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK22]-[SIM22]</Name>
          <Description>COMEX Silver Sp MAY22 - JUN22</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM22]-[SIN22]</Name>
          <Description>COMEX Silver Sp JUN22 - JUL22</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN22]-[SIQ22]</Name>
          <Description>COMEX Silver Sp JUL22 - AUG22</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ22]-[SIU22]</Name>
          <Description>COMEX Silver Sp AUG22 - SEP22</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU22]-[SIV22]</Name>
          <Description>COMEX Silver Sp SEP22 - OCT22</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV22]-[SIX22]</Name>
          <Description>COMEX Silver Sp OCT22 - NOV22</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX22]-[SIZ22]</Name>
          <Description>COMEX Silver Sp NOV22 - DEC22</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ22]-[SIF23]</Name>
          <Description>COMEX Silver Sp DEC22 - JAN23</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 1M Spreads 2023</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>[SIF23]-[SIG23]</Name>
          <Description>COMEX Silver Sp JAN23 - FEB23</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG23]-[SIH23]</Name>
          <Description>COMEX Silver Sp FEB23 - MAR23</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH23]-[SIJ23]</Name>
          <Description>COMEX Silver Sp MAR23 - APR23</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ23]-[SIK23]</Name>
          <Description>COMEX Silver Sp APR23 - MAY23</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK23]-[SIM23]</Name>
          <Description>COMEX Silver Sp MAY23 - JUN23</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM23]-[SIN23]</Name>
          <Description>COMEX Silver Sp JUN23 - JUL23</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN23]-[SIQ23]</Name>
          <Description>COMEX Silver Sp JUL23 - AUG23</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ23]-[SIU23]</Name>
          <Description>COMEX Silver Sp AUG23 - SEP23</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU23]-[SIV23]</Name>
          <Description>COMEX Silver Sp SEP23 - OCT23</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV23]-[SIX23]</Name>
          <Description>COMEX Silver Sp OCT23 - NOV23</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX23]-[SIZ23]</Name>
          <Description>COMEX Silver Sp NOV23 - DEC23</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ23]-[SIF24]</Name>
          <Description>COMEX Silver Sp DEC23 - JAN24</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 1M Spreads 2024</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>[SIF24]-[SIG24]</Name>
          <Description>COMEX Silver Sp JAN24 - FEB24</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG24]-[SIH24]</Name>
          <Description>COMEX Silver Sp FEB24 - MAR24</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH24]-[SIJ24]</Name>
          <Description>COMEX Silver Sp MAR24 - APR24</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ24]-[SIK24]</Name>
          <Description>COMEX Silver Sp APR24 - MAY24</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK24]-[SIM24]</Name>
          <Description>COMEX Silver Sp MAY24 - JUN24</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM24]-[SIN24]</Name>
          <Description>COMEX Silver Sp JUN24 - JUL24</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN24]-[SIQ24]</Name>
          <Description>COMEX Silver Sp JUL24 - AUG24</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ24]-[SIU24]</Name>
          <Description>COMEX Silver Sp AUG24 - SEP24</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU24]-[SIV24]</Name>
          <Description>COMEX Silver Sp SEP24 - OCT24</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV24]-[SIX24]</Name>
          <Description>COMEX Silver Sp OCT24 - NOV24</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX24]-[SIZ24]</Name>
          <Description>COMEX Silver Sp NOV24 - DEC24</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ24]-[SIF25]</Name>
          <Description>COMEX Silver Sp DEC24 - JAN25</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 1M Spreads 2025</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>[SIF25]-[SIG25]</Name>
          <Description>COMEX Silver Sp JAN25 - FEB25</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIG25]-[SIH25]</Name>
          <Description>COMEX Silver Sp FEB25 - MAR25</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIH25]-[SIJ25]</Name>
          <Description>COMEX Silver Sp MAR25 - APR25</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ25]-[SIK25]</Name>
          <Description>COMEX Silver Sp APR25 - MAY25</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIK25]-[SIM25]</Name>
          <Description>COMEX Silver Sp MAY25 - JUN25</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIM25]-[SIN25]</Name>
          <Description>COMEX Silver Sp JUN25 - JUL25</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN25]-[SIQ25]</Name>
          <Description>COMEX Silver Sp JUL25 - AUG25</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIQ25]-[SIU25]</Name>
          <Description>COMEX Silver Sp AUG25 - SEP25</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIU25]-[SIV25]</Name>
          <Description>COMEX Silver Sp SEP25 - OCT25</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIV25]-[SIX25]</Name>
          <Description>COMEX Silver Sp OCT25 - NOV25</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIX25]-[SIZ25]</Name>
          <Description>COMEX Silver Sp NOV25 - DEC25</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIZ25]-[SIF26]</Name>
          <Description>COMEX Silver Sp DEC25 - JAN26</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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      <Name>SI 1M Spreads 2026</Name>
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        <PortfolioSymbol>
          <Name>[SIF26]-[SIG26]</Name>
          <Description>COMEX Silver Sp JAN26 - FEB26</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIG26]-[SIH26]</Name>
          <Description>COMEX Silver Sp FEB26 - MAR26</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIH26]-[SIJ26]</Name>
          <Description>COMEX Silver Sp MAR26 - APR26</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIJ26]-[SIK26]</Name>
          <Description>COMEX Silver Sp APR26 - MAY26</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIK26]-[SIM26]</Name>
          <Description>COMEX Silver Sp MAY26 - JUN26</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIM26]-[SIN26]</Name>
          <Description>COMEX Silver Sp JUN26 - JUL26</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIN26]-[SIQ26]</Name>
          <Description>COMEX Silver Sp JUL26 - AUG26</Description>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIQ26]-[SIU26]</Name>
          <Description>COMEX Silver Sp AUG26 - SEP26</Description>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIU26]-[SIV26]</Name>
          <Description>COMEX Silver Sp SEP26 - OCT26</Description>
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          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIV26]-[SIX26]</Name>
          <Description>COMEX Silver Sp OCT26 - NOV26</Description>
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        <PortfolioSymbol>
          <Name>[SIX26]-[SIZ26]</Name>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIZ26]-[SIF27]</Name>
          <Description>COMEX Silver Sp DEC26 - JAN27</Description>
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      <Name>SI 1M Spreads 2027</Name>
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        <PortfolioSymbol>
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          <Description>COMEX Silver Sp JAN27 - FEB27</Description>
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        <PortfolioSymbol>
          <Name>[SIG27]-[SIH27]</Name>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
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        <PortfolioSymbol>
          <Name>[SIK27]-[SIM27]</Name>
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        <PortfolioSymbol>
          <Name>[SIM27]-[SIN27]</Name>
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        <PortfolioSymbol>
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          <Description>COMEX Silver Sp JUL27 - AUG27</Description>
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        <PortfolioSymbol>
          <Name>[SIQ27]-[SIU27]</Name>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIU27]-[SIV27]</Name>
          <Description>COMEX Silver Sp SEP27 - OCT27</Description>
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        <PortfolioSymbol>
          <Name>[SIV27]-[SIX27]</Name>
          <Description>COMEX Silver Sp OCT27 - NOV27</Description>
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        <PortfolioSymbol>
          <Name>[SIX27]-[SIZ27]</Name>
          <Description>COMEX Silver Sp NOV27 - DEC27</Description>
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          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIZ27]-[SIF28]</Name>
          <Description>COMEX Silver Sp DEC27 - JAN28</Description>
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    <PortfolioCategory>
      <Name>SI 1M Spreads 2028</Name>
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        <PortfolioSymbol>
          <Name>[SIF28]-[SIG28]</Name>
          <Description>COMEX Silver Sp JAN28 - FEB28</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIG28]-[SIH28]</Name>
          <Description>COMEX Silver Sp FEB28 - MAR28</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIH28]-[SIJ28]</Name>
          <Description>COMEX Silver Sp MAR28 - APR28</Description>
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          <PipSize>2</PipSize>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
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          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIK28]-[SIM28]</Name>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIM28]-[SIN28]</Name>
          <Description>COMEX Silver Sp JUN28 - JUL28</Description>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
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          <Description>COMEX Silver Sp JUL28 - AUG28</Description>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIQ28]-[SIU28]</Name>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIU28]-[SIV28]</Name>
          <Description>COMEX Silver Sp SEP28 - OCT28</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV28]-[SIX28]</Name>
          <Description>COMEX Silver Sp OCT28 - NOV28</Description>
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          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIX28]-[SIZ28]</Name>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
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          <Description>COMEX Silver Sp DEC28 - JAN29</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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      <Name>SI 1M Spreads 2029</Name>
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        <PortfolioSymbol>
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          <Description>COMEX Silver Sp JAN29 - FEB29</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIG29]-[SIH29]</Name>
          <Description>COMEX Silver Sp FEB29 - MAR29</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIH29]-[SIJ29]</Name>
          <Description>COMEX Silver Sp MAR29 - APR29</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIJ29]-[SIK29]</Name>
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          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIK29]-[SIM29]</Name>
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          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIM29]-[SIN29]</Name>
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          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN29]-[SIQ29]</Name>
          <Description>COMEX Silver Sp JUL29 - AUG29</Description>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIQ29]-[SIU29]</Name>
          <Description>COMEX Silver Sp AUG29 - SEP29</Description>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIU29]-[SIV29]</Name>
          <Description>COMEX Silver Sp SEP29 - OCT29</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV29]-[SIX29]</Name>
          <Description>COMEX Silver Sp OCT29 - NOV29</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX29]-[SIZ29]</Name>
          <Description>COMEX Silver Sp NOV29 - DEC29</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ29]-[SIF30]</Name>
          <Description>COMEX Silver Sp DEC29 - JAN30</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 1M Spreads 2030</Name>
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        <PortfolioSymbol>
          <Name>[SIF30]-[SIG30]</Name>
          <Description>COMEX Silver Sp JAN30 - FEB30</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG30]-[SIH30]</Name>
          <Description>COMEX Silver Sp FEB30 - MAR30</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH30]-[SIJ30]</Name>
          <Description>COMEX Silver Sp MAR30 - APR30</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIJ30]-[SIK30]</Name>
          <Description>COMEX Silver Sp APR30 - MAY30</Description>
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          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK30]-[SIM30]</Name>
          <Description>COMEX Silver Sp MAY30 - JUN30</Description>
          <Decimals>2</Decimals>
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          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM30]-[SIN30]</Name>
          <Description>COMEX Silver Sp JUN30 - JUL30</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN30]-[SIQ30]</Name>
          <Description>COMEX Silver Sp JUL30 - AUG30</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ30]-[SIU30]</Name>
          <Description>COMEX Silver Sp AUG30 - SEP30</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU30]-[SIV30]</Name>
          <Description>COMEX Silver Sp SEP30 - OCT30</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV30]-[SIX30]</Name>
          <Description>COMEX Silver Sp OCT30 - NOV30</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX30]-[SIZ30]</Name>
          <Description>COMEX Silver Sp NOV30 - DEC30</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ30]-[SIF31]</Name>
          <Description>COMEX Silver Sp DEC30 - JAN31</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 1M Spreads 2031</Name>
      <Symbols>
        <PortfolioSymbol>
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          <Description>COMEX Silver Sp JAN31 - FEB31</Description>
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          <PipFraction>2</PipFraction>
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          <Name>[SIG31]-[SIH31]</Name>
          <Description>COMEX Silver Sp FEB31 - MAR31</Description>
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          <Name>[SIH31]-[SIJ31]</Name>
          <Description>COMEX Silver Sp MAR31 - APR31</Description>
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          <Name>[SIJ31]-[SIK31]</Name>
          <Description>COMEX Silver Sp APR31 - MAY31</Description>
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          <PipSize>2</PipSize>
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          <TickSize>0.1</TickSize>
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          <Name>[SIK31]-[SIM31]</Name>
          <Description>COMEX Silver Sp MAY31 - JUN31</Description>
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          <TickSize>0.1</TickSize>
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          <Name>[SIM31]-[SIN31]</Name>
          <Description>COMEX Silver Sp JUN31 - JUL31</Description>
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          <PipSize>2</PipSize>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIN31]-[SIQ31]</Name>
          <Description>COMEX Silver Sp JUL31 - AUG31</Description>
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          <PipSize>2</PipSize>
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          <TickSize>0.1</TickSize>
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          <Name>[SIQ31]-[SIU31]</Name>
          <Description>COMEX Silver Sp AUG31 - SEP31</Description>
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          <TickSize>0.1</TickSize>
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          <Name>[SIU31]-[SIV31]</Name>
          <Description>COMEX Silver Sp SEP31 - OCT31</Description>
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          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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          <Name>[SIV31]-[SIX31]</Name>
          <Description>COMEX Silver Sp OCT31 - NOV31</Description>
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          <Name>[SIX31]-[SIZ31]</Name>
          <Description>COMEX Silver Sp NOV31 - DEC31</Description>
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          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIZ31]-[SIF32]</Name>
          <Description>COMEX Silver Sp DEC31 - JAN32</Description>
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      <Name>SI 1M Spreads 2032</Name>
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        <PortfolioSymbol>
          <Name>[SIF32]-[SIG32]</Name>
          <Description>COMEX Silver Sp JAN32 - FEB32</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIG32]-[SIH32]</Name>
          <Description>COMEX Silver Sp FEB32 - MAR32</Description>
          <Decimals>2</Decimals>
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          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIH32]-[SIJ32]</Name>
          <Description>COMEX Silver Sp MAR32 - APR32</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
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        <PortfolioSymbol>
          <Name>[SIJ32]-[SIK32]</Name>
          <Description>COMEX Silver Sp APR32 - MAY32</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIK32]-[SIM32]</Name>
          <Description>COMEX Silver Sp MAY32 - JUN32</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIM32]-[SIN32]</Name>
          <Description>COMEX Silver Sp JUN32 - JUL32</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIN32]-[SIQ32]</Name>
          <Description>COMEX Silver Sp JUL32 - AUG32</Description>
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          <TickSize>0.1</TickSize>
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          <Name>[SIQ32]-[SIU32]</Name>
          <Description>COMEX Silver Sp AUG32 - SEP32</Description>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIU32]-[SIV32]</Name>
          <Description>COMEX Silver Sp SEP32 - OCT32</Description>
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          <TickSize>0.1</TickSize>
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          <Name>[SIV32]-[SIX32]</Name>
          <Description>COMEX Silver Sp OCT32 - NOV32</Description>
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          <Name>[SIX32]-[SIZ32]</Name>
          <Description>COMEX Silver Sp NOV32 - DEC32</Description>
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          <Name>[SIZ32]-[SIF33]</Name>
          <Description>COMEX Silver Sp DEC32 - JAN33</Description>
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      <Name>SI 1M Spreads 2033</Name>
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          <Description>COMEX Silver Sp JAN33 - FEB33</Description>
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          <Name>[SIG33]-[SIH33]</Name>
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          <Name>[SIK33]-[SIM33]</Name>
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          <Description>COMEX Silver Sp JUN33 - JUL33</Description>
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          <Description>COMEX Silver Sp JUL33 - AUG33</Description>
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          <Description>COMEX Silver Sp OCT33 - NOV33</Description>
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          <Description>COMEX Silver Sp NOV33 - DEC33</Description>
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      <Name>SI 1M Spreads 2034</Name>
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        <PortfolioSymbol>
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          <Description>COMEX Silver Sp JAN34 - FEB34</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIG34]-[SIH34]</Name>
          <Description>COMEX Silver Sp FEB34 - MAR34</Description>
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          <PipSize>2</PipSize>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIH34]-[SIJ34]</Name>
          <Description>COMEX Silver Sp MAR34 - APR34</Description>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIJ34]-[SIK34]</Name>
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          <Name>[SIK34]-[SIM34]</Name>
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        <PortfolioSymbol>
          <Name>[SIM34]-[SIN34]</Name>
          <Description>COMEX Silver Sp JUN34 - JUL34</Description>
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        <PortfolioSymbol>
          <Name>[SIN34]-[SIQ34]</Name>
          <Description>COMEX Silver Sp JUL34 - AUG34</Description>
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          <Name>[SIQ34]-[SIU34]</Name>
          <Description>COMEX Silver Sp AUG34 - SEP34</Description>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIU34]-[SIV34]</Name>
          <Description>COMEX Silver Sp SEP34 - OCT34</Description>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
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          <Description>COMEX Silver Sp OCT34 - NOV34</Description>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIX34]-[SIZ34]</Name>
          <Description>COMEX Silver Sp NOV34 - DEC34</Description>
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          <TickSize>0.1</TickSize>
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          <Description>COMEX Silver Sp DEC34 - JAN35</Description>
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          <PipFraction>2</PipFraction>
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        <PortfolioSymbol>
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          <Description>COMEX Silver Sp JAN35 - FEB35</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIG35]-[SIH35]</Name>
          <Description>COMEX Silver Sp FEB35 - MAR35</Description>
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          <PipSize>2</PipSize>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
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          <Description>COMEX Silver Sp MAR35 - APR35</Description>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIJ35]-[SIK35]</Name>
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          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIK35]-[SIM35]</Name>
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          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
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          <Description>COMEX Silver Sp JUN35 - JUL35</Description>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
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          <Description>COMEX Silver Sp JUL35 - AUG35</Description>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIQ35]-[SIU35]</Name>
          <Description>COMEX Silver Sp AUG35 - SEP35</Description>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIU35]-[SIV35]</Name>
          <Description>COMEX Silver Sp SEP35 - OCT35</Description>
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          <PipSize>2</PipSize>
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          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIV35]-[SIX35]</Name>
          <Description>COMEX Silver Sp OCT35 - NOV35</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX35]-[SIZ35]</Name>
          <Description>COMEX Silver Sp NOV35 - DEC35</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ35]-[SIF36]</Name>
          <Description>COMEX Silver Sp DEC35 - JAN36</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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    <PortfolioCategory>
      <Name>SI 1M Spreads 2036</Name>
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        <PortfolioSymbol>
          <Name>[SIF36]-[SIG36]</Name>
          <Description>COMEX Silver Sp JAN36 - FEB36</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG36]-[SIH36]</Name>
          <Description>COMEX Silver Sp FEB36 - MAR36</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH36]-[SIJ36]</Name>
          <Description>COMEX Silver Sp MAR36 - APR36</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIJ36]-[SIK36]</Name>
          <Description>COMEX Silver Sp APR36 - MAY36</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIK36]-[SIM36]</Name>
          <Description>COMEX Silver Sp MAY36 - JUN36</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM36]-[SIN36]</Name>
          <Description>COMEX Silver Sp JUN36 - JUL36</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN36]-[SIQ36]</Name>
          <Description>COMEX Silver Sp JUL36 - AUG36</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ36]-[SIU36]</Name>
          <Description>COMEX Silver Sp AUG36 - SEP36</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU36]-[SIV36]</Name>
          <Description>COMEX Silver Sp SEP36 - OCT36</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV36]-[SIX36]</Name>
          <Description>COMEX Silver Sp OCT36 - NOV36</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX36]-[SIZ36]</Name>
          <Description>COMEX Silver Sp NOV36 - DEC36</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ36]-[SIF37]</Name>
          <Description>COMEX Silver Sp DEC36 - JAN37</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 1M Spreads 2037</Name>
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        <PortfolioSymbol>
          <Name>[SIF37]-[SIG37]</Name>
          <Description>COMEX Silver Sp JAN37 - FEB37</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG37]-[SIH37]</Name>
          <Description>COMEX Silver Sp FEB37 - MAR37</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH37]-[SIJ37]</Name>
          <Description>COMEX Silver Sp MAR37 - APR37</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ37]-[SIK37]</Name>
          <Description>COMEX Silver Sp APR37 - MAY37</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK37]-[SIM37]</Name>
          <Description>COMEX Silver Sp MAY37 - JUN37</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM37]-[SIN37]</Name>
          <Description>COMEX Silver Sp JUN37 - JUL37</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN37]-[SIQ37]</Name>
          <Description>COMEX Silver Sp JUL37 - AUG37</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ37]-[SIU37]</Name>
          <Description>COMEX Silver Sp AUG37 - SEP37</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU37]-[SIV37]</Name>
          <Description>COMEX Silver Sp SEP37 - OCT37</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV37]-[SIX37]</Name>
          <Description>COMEX Silver Sp OCT37 - NOV37</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX37]-[SIZ37]</Name>
          <Description>COMEX Silver Sp NOV37 - DEC37</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ37]-[SIF38]</Name>
          <Description>COMEX Silver Sp DEC37 - JAN38</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 1M Spreads 2038</Name>
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        <PortfolioSymbol>
          <Name>[SIF38]-[SIG38]</Name>
          <Description>COMEX Silver Sp JAN38 - FEB38</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG38]-[SIH38]</Name>
          <Description>COMEX Silver Sp FEB38 - MAR38</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH38]-[SIJ38]</Name>
          <Description>COMEX Silver Sp MAR38 - APR38</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ38]-[SIK38]</Name>
          <Description>COMEX Silver Sp APR38 - MAY38</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK38]-[SIM38]</Name>
          <Description>COMEX Silver Sp MAY38 - JUN38</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM38]-[SIN38]</Name>
          <Description>COMEX Silver Sp JUN38 - JUL38</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN38]-[SIQ38]</Name>
          <Description>COMEX Silver Sp JUL38 - AUG38</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ38]-[SIU38]</Name>
          <Description>COMEX Silver Sp AUG38 - SEP38</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU38]-[SIV38]</Name>
          <Description>COMEX Silver Sp SEP38 - OCT38</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV38]-[SIX38]</Name>
          <Description>COMEX Silver Sp OCT38 - NOV38</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIX38]-[SIZ38]</Name>
          <Description>COMEX Silver Sp NOV38 - DEC38</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIZ38]-[SIF39]</Name>
          <Description>COMEX Silver Sp DEC38 - JAN39</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 1M Spreads 2039</Name>
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        <PortfolioSymbol>
          <Name>[SIF39]-[SIG39]</Name>
          <Description>COMEX Silver Sp JAN39 - FEB39</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIG39]-[SIH39]</Name>
          <Description>COMEX Silver Sp FEB39 - MAR39</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIH39]-[SIJ39]</Name>
          <Description>COMEX Silver Sp MAR39 - APR39</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIJ39]-[SIK39]</Name>
          <Description>COMEX Silver Sp APR39 - MAY39</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIK39]-[SIM39]</Name>
          <Description>COMEX Silver Sp MAY39 - JUN39</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIM39]-[SIN39]</Name>
          <Description>COMEX Silver Sp JUN39 - JUL39</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIN39]-[SIQ39]</Name>
          <Description>COMEX Silver Sp JUL39 - AUG39</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIQ39]-[SIU39]</Name>
          <Description>COMEX Silver Sp AUG39 - SEP39</Description>
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          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIU39]-[SIV39]</Name>
          <Description>COMEX Silver Sp SEP39 - OCT39</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIV39]-[SIX39]</Name>
          <Description>COMEX Silver Sp OCT39 - NOV39</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIX39]-[SIZ39]</Name>
          <Description>COMEX Silver Sp NOV39 - DEC39</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIZ39]-[SIF40]</Name>
          <Description>COMEX Silver Sp DEC39 - JAN40</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 1M Spreads 2040</Name>
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        <PortfolioSymbol>
          <Name>[SIF40]-[SIG40]</Name>
          <Description>COMEX Silver Sp JAN40 - FEB40</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG40]-[SIH40]</Name>
          <Description>COMEX Silver Sp FEB40 - MAR40</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH40]-[SIJ40]</Name>
          <Description>COMEX Silver Sp MAR40 - APR40</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ40]-[SIK40]</Name>
          <Description>COMEX Silver Sp APR40 - MAY40</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK40]-[SIM40]</Name>
          <Description>COMEX Silver Sp MAY40 - JUN40</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM40]-[SIN40]</Name>
          <Description>COMEX Silver Sp JUN40 - JUL40</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN40]-[SIQ40]</Name>
          <Description>COMEX Silver Sp JUL40 - AUG40</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ40]-[SIU40]</Name>
          <Description>COMEX Silver Sp AUG40 - SEP40</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU40]-[SIV40]</Name>
          <Description>COMEX Silver Sp SEP40 - OCT40</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV40]-[SIX40]</Name>
          <Description>COMEX Silver Sp OCT40 - NOV40</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX40]-[SIZ40]</Name>
          <Description>COMEX Silver Sp NOV40 - DEC40</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ40]-[SIF41]</Name>
          <Description>COMEX Silver Sp DEC40 - JAN41</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 1M Spreads 2041</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>[SIF41]-[SIG41]</Name>
          <Description>COMEX Silver Sp JAN41 - FEB41</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG41]-[SIH41]</Name>
          <Description>COMEX Silver Sp FEB41 - MAR41</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH41]-[SIJ41]</Name>
          <Description>COMEX Silver Sp MAR41 - APR41</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ41]-[SIK41]</Name>
          <Description>COMEX Silver Sp APR41 - MAY41</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK41]-[SIM41]</Name>
          <Description>COMEX Silver Sp MAY41 - JUN41</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM41]-[SIN41]</Name>
          <Description>COMEX Silver Sp JUN41 - JUL41</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN41]-[SIQ41]</Name>
          <Description>COMEX Silver Sp JUL41 - AUG41</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ41]-[SIU41]</Name>
          <Description>COMEX Silver Sp AUG41 - SEP41</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU41]-[SIV41]</Name>
          <Description>COMEX Silver Sp SEP41 - OCT41</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV41]-[SIX41]</Name>
          <Description>COMEX Silver Sp OCT41 - NOV41</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX41]-[SIZ41]</Name>
          <Description>COMEX Silver Sp NOV41 - DEC41</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ41]-[SIF42]</Name>
          <Description>COMEX Silver Sp DEC41 - JAN42</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 1M Spreads 2042</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>[SIF42]-[SIG42]</Name>
          <Description>COMEX Silver Sp JAN42 - FEB42</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG42]-[SIH42]</Name>
          <Description>COMEX Silver Sp FEB42 - MAR42</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH42]-[SIJ42]</Name>
          <Description>COMEX Silver Sp MAR42 - APR42</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ42]-[SIK42]</Name>
          <Description>COMEX Silver Sp APR42 - MAY42</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK42]-[SIM42]</Name>
          <Description>COMEX Silver Sp MAY42 - JUN42</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM42]-[SIN42]</Name>
          <Description>COMEX Silver Sp JUN42 - JUL42</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN42]-[SIQ42]</Name>
          <Description>COMEX Silver Sp JUL42 - AUG42</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ42]-[SIU42]</Name>
          <Description>COMEX Silver Sp AUG42 - SEP42</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU42]-[SIV42]</Name>
          <Description>COMEX Silver Sp SEP42 - OCT42</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV42]-[SIX42]</Name>
          <Description>COMEX Silver Sp OCT42 - NOV42</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX42]-[SIZ42]</Name>
          <Description>COMEX Silver Sp NOV42 - DEC42</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ42]-[SIF43]</Name>
          <Description>COMEX Silver Sp DEC42 - JAN43</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 1M Spreads 2043</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>[SIF43]-[SIG43]</Name>
          <Description>COMEX Silver Sp JAN43 - FEB43</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG43]-[SIH43]</Name>
          <Description>COMEX Silver Sp FEB43 - MAR43</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH43]-[SIJ43]</Name>
          <Description>COMEX Silver Sp MAR43 - APR43</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ43]-[SIK43]</Name>
          <Description>COMEX Silver Sp APR43 - MAY43</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK43]-[SIM43]</Name>
          <Description>COMEX Silver Sp MAY43 - JUN43</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM43]-[SIN43]</Name>
          <Description>COMEX Silver Sp JUN43 - JUL43</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN43]-[SIQ43]</Name>
          <Description>COMEX Silver Sp JUL43 - AUG43</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ43]-[SIU43]</Name>
          <Description>COMEX Silver Sp AUG43 - SEP43</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU43]-[SIV43]</Name>
          <Description>COMEX Silver Sp SEP43 - OCT43</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV43]-[SIX43]</Name>
          <Description>COMEX Silver Sp OCT43 - NOV43</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX43]-[SIZ43]</Name>
          <Description>COMEX Silver Sp NOV43 - DEC43</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ43]-[SIF44]</Name>
          <Description>COMEX Silver Sp DEC43 - JAN44</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 1M Spreads 2044</Name>
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        <PortfolioSymbol>
          <Name>[SIF44]-[SIG44]</Name>
          <Description>COMEX Silver Sp JAN44 - FEB44</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG44]-[SIH44]</Name>
          <Description>COMEX Silver Sp FEB44 - MAR44</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH44]-[SIJ44]</Name>
          <Description>COMEX Silver Sp MAR44 - APR44</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ44]-[SIK44]</Name>
          <Description>COMEX Silver Sp APR44 - MAY44</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK44]-[SIM44]</Name>
          <Description>COMEX Silver Sp MAY44 - JUN44</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM44]-[SIN44]</Name>
          <Description>COMEX Silver Sp JUN44 - JUL44</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN44]-[SIQ44]</Name>
          <Description>COMEX Silver Sp JUL44 - AUG44</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIQ44]-[SIU44]</Name>
          <Description>COMEX Silver Sp AUG44 - SEP44</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU44]-[SIV44]</Name>
          <Description>COMEX Silver Sp SEP44 - OCT44</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV44]-[SIX44]</Name>
          <Description>COMEX Silver Sp OCT44 - NOV44</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX44]-[SIZ44]</Name>
          <Description>COMEX Silver Sp NOV44 - DEC44</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIZ44]-[SIF45]</Name>
          <Description>COMEX Silver Sp DEC44 - JAN45</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 1M Spreads 2045</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>[SIF45]-[SIG45]</Name>
          <Description>COMEX Silver Sp JAN45 - FEB45</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIG45]-[SIH45]</Name>
          <Description>COMEX Silver Sp FEB45 - MAR45</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIH45]-[SIJ45]</Name>
          <Description>COMEX Silver Sp MAR45 - APR45</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIJ45]-[SIK45]</Name>
          <Description>COMEX Silver Sp APR45 - MAY45</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIK45]-[SIM45]</Name>
          <Description>COMEX Silver Sp MAY45 - JUN45</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM45]-[SIN45]</Name>
          <Description>COMEX Silver Sp JUN45 - JUL45</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIN45]-[SIQ45]</Name>
          <Description>COMEX Silver Sp JUL45 - AUG45</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIQ45]-[SIU45]</Name>
          <Description>COMEX Silver Sp AUG45 - SEP45</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIU45]-[SIV45]</Name>
          <Description>COMEX Silver Sp SEP45 - OCT45</Description>
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          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIV45]-[SIX45]</Name>
          <Description>COMEX Silver Sp OCT45 - NOV45</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
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        <PortfolioSymbol>
          <Name>[SIX45]-[SIZ45]</Name>
          <Description>COMEX Silver Sp NOV45 - DEC45</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ45]-[SIF46]</Name>
          <Description>COMEX Silver Sp DEC45 - JAN46</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
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    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 1M Spreads 2046</Name>
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        <PortfolioSymbol>
          <Name>[SIF46]-[SIG46]</Name>
          <Description>COMEX Silver Sp JAN46 - FEB46</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG46]-[SIH46]</Name>
          <Description>COMEX Silver Sp FEB46 - MAR46</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH46]-[SIJ46]</Name>
          <Description>COMEX Silver Sp MAR46 - APR46</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ46]-[SIK46]</Name>
          <Description>COMEX Silver Sp APR46 - MAY46</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK46]-[SIM46]</Name>
          <Description>COMEX Silver Sp MAY46 - JUN46</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM46]-[SIN46]</Name>
          <Description>COMEX Silver Sp JUN46 - JUL46</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN46]-[SIQ46]</Name>
          <Description>COMEX Silver Sp JUL46 - AUG46</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ46]-[SIU46]</Name>
          <Description>COMEX Silver Sp AUG46 - SEP46</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU46]-[SIV46]</Name>
          <Description>COMEX Silver Sp SEP46 - OCT46</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV46]-[SIX46]</Name>
          <Description>COMEX Silver Sp OCT46 - NOV46</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX46]-[SIZ46]</Name>
          <Description>COMEX Silver Sp NOV46 - DEC46</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ46]-[SIF47]</Name>
          <Description>COMEX Silver Sp DEC46 - JAN47</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 1M Spreads 2047</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>[SIF47]-[SIG47]</Name>
          <Description>COMEX Silver Sp JAN47 - FEB47</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG47]-[SIH47]</Name>
          <Description>COMEX Silver Sp FEB47 - MAR47</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH47]-[SIJ47]</Name>
          <Description>COMEX Silver Sp MAR47 - APR47</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ47]-[SIK47]</Name>
          <Description>COMEX Silver Sp APR47 - MAY47</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK47]-[SIM47]</Name>
          <Description>COMEX Silver Sp MAY47 - JUN47</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM47]-[SIN47]</Name>
          <Description>COMEX Silver Sp JUN47 - JUL47</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN47]-[SIQ47]</Name>
          <Description>COMEX Silver Sp JUL47 - AUG47</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ47]-[SIU47]</Name>
          <Description>COMEX Silver Sp AUG47 - SEP47</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU47]-[SIV47]</Name>
          <Description>COMEX Silver Sp SEP47 - OCT47</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV47]-[SIX47]</Name>
          <Description>COMEX Silver Sp OCT47 - NOV47</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX47]-[SIZ47]</Name>
          <Description>COMEX Silver Sp NOV47 - DEC47</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ47]-[SIF48]</Name>
          <Description>COMEX Silver Sp DEC47 - JAN48</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 1M Spreads 2048</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>[SIF48]-[SIG48]</Name>
          <Description>COMEX Silver Sp JAN48 - FEB48</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG48]-[SIH48]</Name>
          <Description>COMEX Silver Sp FEB48 - MAR48</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH48]-[SIJ48]</Name>
          <Description>COMEX Silver Sp MAR48 - APR48</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ48]-[SIK48]</Name>
          <Description>COMEX Silver Sp APR48 - MAY48</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK48]-[SIM48]</Name>
          <Description>COMEX Silver Sp MAY48 - JUN48</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM48]-[SIN48]</Name>
          <Description>COMEX Silver Sp JUN48 - JUL48</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN48]-[SIQ48]</Name>
          <Description>COMEX Silver Sp JUL48 - AUG48</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ48]-[SIU48]</Name>
          <Description>COMEX Silver Sp AUG48 - SEP48</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU48]-[SIV48]</Name>
          <Description>COMEX Silver Sp SEP48 - OCT48</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV48]-[SIX48]</Name>
          <Description>COMEX Silver Sp OCT48 - NOV48</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX48]-[SIZ48]</Name>
          <Description>COMEX Silver Sp NOV48 - DEC48</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ48]-[SIF49]</Name>
          <Description>COMEX Silver Sp DEC48 - JAN49</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 1M Spreads 2049</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>[SIF49]-[SIG49]</Name>
          <Description>COMEX Silver Sp JAN49 - FEB49</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG49]-[SIH49]</Name>
          <Description>COMEX Silver Sp FEB49 - MAR49</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH49]-[SIJ49]</Name>
          <Description>COMEX Silver Sp MAR49 - APR49</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ49]-[SIK49]</Name>
          <Description>COMEX Silver Sp APR49 - MAY49</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK49]-[SIM49]</Name>
          <Description>COMEX Silver Sp MAY49 - JUN49</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM49]-[SIN49]</Name>
          <Description>COMEX Silver Sp JUN49 - JUL49</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN49]-[SIQ49]</Name>
          <Description>COMEX Silver Sp JUL49 - AUG49</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ49]-[SIU49]</Name>
          <Description>COMEX Silver Sp AUG49 - SEP49</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU49]-[SIV49]</Name>
          <Description>COMEX Silver Sp SEP49 - OCT49</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV49]-[SIX49]</Name>
          <Description>COMEX Silver Sp OCT49 - NOV49</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX49]-[SIZ49]</Name>
          <Description>COMEX Silver Sp NOV49 - DEC49</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIZ49]-[SIF50]</Name>
          <Description>COMEX Silver Sp DEC49 - JAN50</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
    <PortfolioCategory>
      <Name>SI 1M Spreads 2050</Name>
      <Symbols>
        <PortfolioSymbol>
          <Name>[SIF50]-[SIG50]</Name>
          <Description>COMEX Silver Sp JAN50 - FEB50</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIG50]-[SIH50]</Name>
          <Description>COMEX Silver Sp FEB50 - MAR50</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIH50]-[SIJ50]</Name>
          <Description>COMEX Silver Sp MAR50 - APR50</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIJ50]-[SIK50]</Name>
          <Description>COMEX Silver Sp APR50 - MAY50</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIK50]-[SIM50]</Name>
          <Description>COMEX Silver Sp MAY50 - JUN50</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIM50]-[SIN50]</Name>
          <Description>COMEX Silver Sp JUN50 - JUL50</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIN50]-[SIQ50]</Name>
          <Description>COMEX Silver Sp JUL50 - AUG50</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIQ50]-[SIU50]</Name>
          <Description>COMEX Silver Sp AUG50 - SEP50</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIU50]-[SIV50]</Name>
          <Description>COMEX Silver Sp SEP50 - OCT50</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIV50]-[SIX50]</Name>
          <Description>COMEX Silver Sp OCT50 - NOV50</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
        <PortfolioSymbol>
          <Name>[SIX50]-[SIZ50]</Name>
          <Description>COMEX Silver Sp NOV50 - DEC50</Description>
          <Decimals>2</Decimals>
          <PipSize>2</PipSize>
          <PipFraction>2</PipFraction>
          <TickSize>0.1</TickSize>
        </PortfolioSymbol>
      </Symbols>
    </PortfolioCategory>
  </Categories>
</Portfolio>