<?xml version="1.0" encoding="UTF-8"?>
<heldOrderRoutingPublicReport xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="oh-20191231.xsd">
  <version>1.3</version>
  <bd>Old Mission Markets LLC</bd>
  <year>2026</year>
  <qtr>1</qtr>
  <timestamp>2026-04-21T18:06:12Z</timestamp>
  <rMonthly>
    <year>2026</year>
    <mon>01</mon>
    <rSP500>
      <ndoPct></ndoPct>
      <ndoMarketPct></ndoMarketPct>
      <ndoMarketableLimitPct></ndoMarketableLimitPct>
      <ndoNonmarketableLimitPct></ndoNonmarketableLimitPct>
      <ndoOtherPct></ndoOtherPct>
      <rVenues/>
    </rSP500>
    <rOtherStocks>
      <ndoPct></ndoPct>
      <ndoMarketPct></ndoMarketPct>
      <ndoMarketableLimitPct></ndoMarketableLimitPct>
      <ndoNonmarketableLimitPct></ndoNonmarketableLimitPct>
      <ndoOtherPct></ndoOtherPct>
      <rVenues/>
    </rOtherStocks>
    <rOptions>
      <ndoPct>100.00</ndoPct>
      <ndoMarketPct>30.19</ndoMarketPct>
      <ndoMarketableLimitPct>14.15</ndoMarketableLimitPct>
      <ndoNonmarketableLimitPct>33.02</ndoNonmarketableLimitPct>
      <ndoOtherPct>22.64</ndoOtherPct>
      <rVenues>
        <rVenue>
          <name>Cboe Exchange, Inc.</name>
          <orderPct>54.25</orderPct>
          <marketPct>39.06</marketPct>
          <marketableLimitPct>63.33</marketableLimitPct>
          <nonMarketableLimitPct>32.86</nonMarketableLimitPct>
          <otherPct>100.00</otherPct>
          <netPmtPaidRecvMarketOrdersUsd>0.00</netPmtPaidRecvMarketOrdersUsd>
          <netPmtPaidRecvMarketOrdersCph>0.0000</netPmtPaidRecvMarketOrdersCph>
          <netPmtPaidRecvMarketableLimitOrdersUsd>0.00</netPmtPaidRecvMarketableLimitOrdersUsd>
          <netPmtPaidRecvMarketableLimitOrdersCph>0.0000</netPmtPaidRecvMarketableLimitOrdersCph>
          <netPmtPaidRecvNonMarketableLimitOrdersUsd>0.00</netPmtPaidRecvNonMarketableLimitOrdersUsd>
          <netPmtPaidRecvNonMarketableLimitOrdersCph>0.0000</netPmtPaidRecvNonMarketableLimitOrdersCph>
          <netPmtPaidRecvOtherOrdersUsd>0.00</netPmtPaidRecvOtherOrdersUsd>
          <netPmtPaidRecvOtherOrdersCph>0.0000</netPmtPaidRecvOtherOrdersCph>
          <materialAspects>Old Mission Markets LLC (“OMM”) is an affiliate of Exchange Member Old Mission Capital LLC (“OMC”). OMC is a registered and bona-fide market maker on multiple exchanges and ECNs. At its discretion, OMM may “internalize” non-directed institutional client orders in which OMC makes a market. OMC could sustain profits or losses by trading as principal with any internalized institutional client orders.</materialAspects>
        </rVenue>
        <rVenue>
          <name>Dash/IMC Financial Markets</name>
          <orderPct>45.75</orderPct>
          <marketPct>60.94</marketPct>
          <marketableLimitPct>36.67</marketableLimitPct>
          <nonMarketableLimitPct>67.14</nonMarketableLimitPct>
          <otherPct>0.00</otherPct>
          <netPmtPaidRecvMarketOrdersUsd>0.00</netPmtPaidRecvMarketOrdersUsd>
          <netPmtPaidRecvMarketOrdersCph>0.0000</netPmtPaidRecvMarketOrdersCph>
          <netPmtPaidRecvMarketableLimitOrdersUsd>0.00</netPmtPaidRecvMarketableLimitOrdersUsd>
          <netPmtPaidRecvMarketableLimitOrdersCph>0.0000</netPmtPaidRecvMarketableLimitOrdersCph>
          <netPmtPaidRecvNonMarketableLimitOrdersUsd>0.00</netPmtPaidRecvNonMarketableLimitOrdersUsd>
          <netPmtPaidRecvNonMarketableLimitOrdersCph>0.0000</netPmtPaidRecvNonMarketableLimitOrdersCph>
          <netPmtPaidRecvOtherOrdersUsd>0.00</netPmtPaidRecvOtherOrdersUsd>
          <netPmtPaidRecvOtherOrdersCph>0.0000</netPmtPaidRecvOtherOrdersCph>
          <materialAspects>Old Mission Markets LLC (“OMM”) is an affiliate of Exchange Member Old Mission Capital LLC (“OMC”). OMC is a registered and bona-fide market maker on multiple exchanges and ECNs. At its discretion, OMM may “internalize” non-directed institutional client orders in which OMC makes a market. OMC could sustain profits or losses by trading as principal with any internalized institutional client orders.</materialAspects>
        </rVenue>
      </rVenues>
    </rOptions>
  </rMonthly>
  <rMonthly>
    <year>2026</year>
    <mon>02</mon>
    <rSP500>
      <ndoPct></ndoPct>
      <ndoMarketPct></ndoMarketPct>
      <ndoMarketableLimitPct></ndoMarketableLimitPct>
      <ndoNonmarketableLimitPct></ndoNonmarketableLimitPct>
      <ndoOtherPct></ndoOtherPct>
      <rVenues/>
    </rSP500>
    <rOtherStocks>
      <ndoPct></ndoPct>
      <ndoMarketPct></ndoMarketPct>
      <ndoMarketableLimitPct></ndoMarketableLimitPct>
      <ndoNonmarketableLimitPct></ndoNonmarketableLimitPct>
      <ndoOtherPct></ndoOtherPct>
      <rVenues/>
    </rOtherStocks>
    <rOptions>
      <ndoPct>100.00</ndoPct>
      <ndoMarketPct>41.04</ndoMarketPct>
      <ndoMarketableLimitPct>16.42</ndoMarketableLimitPct>
      <ndoNonmarketableLimitPct>21.64</ndoNonmarketableLimitPct>
      <ndoOtherPct>20.90</ndoOtherPct>
      <rVenues>
        <rVenue>
          <name>Cboe Exchange, Inc.</name>
          <orderPct>61.19</orderPct>
          <marketPct>29.09</marketPct>
          <marketableLimitPct>86.36</marketableLimitPct>
          <nonMarketableLimitPct>65.52</nonMarketableLimitPct>
          <otherPct>100.00</otherPct>
          <netPmtPaidRecvMarketOrdersUsd>0.00</netPmtPaidRecvMarketOrdersUsd>
          <netPmtPaidRecvMarketOrdersCph>0.0000</netPmtPaidRecvMarketOrdersCph>
          <netPmtPaidRecvMarketableLimitOrdersUsd>0.00</netPmtPaidRecvMarketableLimitOrdersUsd>
          <netPmtPaidRecvMarketableLimitOrdersCph>0.0000</netPmtPaidRecvMarketableLimitOrdersCph>
          <netPmtPaidRecvNonMarketableLimitOrdersUsd>0.00</netPmtPaidRecvNonMarketableLimitOrdersUsd>
          <netPmtPaidRecvNonMarketableLimitOrdersCph>0.0000</netPmtPaidRecvNonMarketableLimitOrdersCph>
          <netPmtPaidRecvOtherOrdersUsd>0.00</netPmtPaidRecvOtherOrdersUsd>
          <netPmtPaidRecvOtherOrdersCph>0.0000</netPmtPaidRecvOtherOrdersCph>
          <materialAspects>Old Mission Markets LLC (“OMM”) is an affiliate of Exchange Member Old Mission Capital LLC (“OMC”). OMC is a registered and bona-fide market maker on multiple exchanges and ECNs. At its discretion, OMM may “internalize” non-directed institutional client orders in which OMC makes a market. OMC could sustain profits or losses by trading as principal with any internalized institutional client orders.</materialAspects>
        </rVenue>
        <rVenue>
          <name>Dash/IMC Financial Markets</name>
          <orderPct>38.06</orderPct>
          <marketPct>70.91</marketPct>
          <marketableLimitPct>13.64</marketableLimitPct>
          <nonMarketableLimitPct>31.03</nonMarketableLimitPct>
          <otherPct>0.00</otherPct>
          <netPmtPaidRecvMarketOrdersUsd>0.00</netPmtPaidRecvMarketOrdersUsd>
          <netPmtPaidRecvMarketOrdersCph>0.0000</netPmtPaidRecvMarketOrdersCph>
          <netPmtPaidRecvMarketableLimitOrdersUsd>0.00</netPmtPaidRecvMarketableLimitOrdersUsd>
          <netPmtPaidRecvMarketableLimitOrdersCph>0.0000</netPmtPaidRecvMarketableLimitOrdersCph>
          <netPmtPaidRecvNonMarketableLimitOrdersUsd>0.00</netPmtPaidRecvNonMarketableLimitOrdersUsd>
          <netPmtPaidRecvNonMarketableLimitOrdersCph>0.0000</netPmtPaidRecvNonMarketableLimitOrdersCph>
          <netPmtPaidRecvOtherOrdersUsd>0.00</netPmtPaidRecvOtherOrdersUsd>
          <netPmtPaidRecvOtherOrdersCph>0.0000</netPmtPaidRecvOtherOrdersCph>
          <materialAspects>Old Mission Markets LLC (“OMM”) is an affiliate of Exchange Member Old Mission Capital LLC (“OMC”). OMC is a registered and bona-fide market maker on multiple exchanges and ECNs. At its discretion, OMM may “internalize” non-directed institutional client orders in which OMC makes a market. OMC could sustain profits or losses by trading as principal with any internalized institutional client orders.</materialAspects>
        </rVenue>
        <rVenue>
          <name>OMCASY</name>
          <orderPct>0.75</orderPct>
          <marketPct>0.00</marketPct>
          <marketableLimitPct>0.00</marketableLimitPct>
          <nonMarketableLimitPct>3.45</nonMarketableLimitPct>
          <otherPct>0.00</otherPct>
          <netPmtPaidRecvMarketOrdersUsd>0.00</netPmtPaidRecvMarketOrdersUsd>
          <netPmtPaidRecvMarketOrdersCph>0.0000</netPmtPaidRecvMarketOrdersCph>
          <netPmtPaidRecvMarketableLimitOrdersUsd>0.00</netPmtPaidRecvMarketableLimitOrdersUsd>
          <netPmtPaidRecvMarketableLimitOrdersCph>0.0000</netPmtPaidRecvMarketableLimitOrdersCph>
          <netPmtPaidRecvNonMarketableLimitOrdersUsd>0.00</netPmtPaidRecvNonMarketableLimitOrdersUsd>
          <netPmtPaidRecvNonMarketableLimitOrdersCph>0.0000</netPmtPaidRecvNonMarketableLimitOrdersCph>
          <netPmtPaidRecvOtherOrdersUsd>0.00</netPmtPaidRecvOtherOrdersUsd>
          <netPmtPaidRecvOtherOrdersCph>0.0000</netPmtPaidRecvOtherOrdersCph>
          <materialAspects></materialAspects>
        </rVenue>
      </rVenues>
    </rOptions>
  </rMonthly>
  <rMonthly>
    <year>2026</year>
    <mon>03</mon>
    <rSP500>
      <ndoPct></ndoPct>
      <ndoMarketPct></ndoMarketPct>
      <ndoMarketableLimitPct></ndoMarketableLimitPct>
      <ndoNonmarketableLimitPct></ndoNonmarketableLimitPct>
      <ndoOtherPct></ndoOtherPct>
      <rVenues/>
    </rSP500>
    <rOtherStocks>
      <ndoPct></ndoPct>
      <ndoMarketPct></ndoMarketPct>
      <ndoMarketableLimitPct></ndoMarketableLimitPct>
      <ndoNonmarketableLimitPct></ndoNonmarketableLimitPct>
      <ndoOtherPct></ndoOtherPct>
      <rVenues/>
    </rOtherStocks>
    <rOptions>
      <ndoPct>100.00</ndoPct>
      <ndoMarketPct>48.99</ndoMarketPct>
      <ndoMarketableLimitPct>7.38</ndoMarketableLimitPct>
      <ndoNonmarketableLimitPct>8.72</ndoNonmarketableLimitPct>
      <ndoOtherPct>34.90</ndoOtherPct>
      <rVenues>
        <rVenue>
          <name>Cboe Exchange, Inc.</name>
          <orderPct>69.80</orderPct>
          <marketPct>38.36</marketPct>
          <marketableLimitPct>100.00</marketableLimitPct>
          <nonMarketableLimitPct>100.00</nonMarketableLimitPct>
          <otherPct>100.00</otherPct>
          <netPmtPaidRecvMarketOrdersUsd>0.00</netPmtPaidRecvMarketOrdersUsd>
          <netPmtPaidRecvMarketOrdersCph>0.0000</netPmtPaidRecvMarketOrdersCph>
          <netPmtPaidRecvMarketableLimitOrdersUsd>0.00</netPmtPaidRecvMarketableLimitOrdersUsd>
          <netPmtPaidRecvMarketableLimitOrdersCph>0.0000</netPmtPaidRecvMarketableLimitOrdersCph>
          <netPmtPaidRecvNonMarketableLimitOrdersUsd>0.00</netPmtPaidRecvNonMarketableLimitOrdersUsd>
          <netPmtPaidRecvNonMarketableLimitOrdersCph>0.0000</netPmtPaidRecvNonMarketableLimitOrdersCph>
          <netPmtPaidRecvOtherOrdersUsd>0.00</netPmtPaidRecvOtherOrdersUsd>
          <netPmtPaidRecvOtherOrdersCph>0.0000</netPmtPaidRecvOtherOrdersCph>
          <materialAspects>Old Mission Markets LLC (“OMM”) is an affiliate of Exchange Member Old Mission Capital LLC (“OMC”). OMC is a registered and bona-fide market maker on multiple exchanges and ECNs. At its discretion, OMM may “internalize” non-directed institutional client orders in which OMC makes a market. OMC could sustain profits or losses by trading as principal with any internalized institutional client orders.</materialAspects>
        </rVenue>
        <rVenue>
          <name>Dash/IMC Financial Markets</name>
          <orderPct>30.20</orderPct>
          <marketPct>61.64</marketPct>
          <marketableLimitPct>0.00</marketableLimitPct>
          <nonMarketableLimitPct>0.00</nonMarketableLimitPct>
          <otherPct>0.00</otherPct>
          <netPmtPaidRecvMarketOrdersUsd>0.00</netPmtPaidRecvMarketOrdersUsd>
          <netPmtPaidRecvMarketOrdersCph>0.0000</netPmtPaidRecvMarketOrdersCph>
          <netPmtPaidRecvMarketableLimitOrdersUsd>0.00</netPmtPaidRecvMarketableLimitOrdersUsd>
          <netPmtPaidRecvMarketableLimitOrdersCph>0.0000</netPmtPaidRecvMarketableLimitOrdersCph>
          <netPmtPaidRecvNonMarketableLimitOrdersUsd>0.00</netPmtPaidRecvNonMarketableLimitOrdersUsd>
          <netPmtPaidRecvNonMarketableLimitOrdersCph>0.0000</netPmtPaidRecvNonMarketableLimitOrdersCph>
          <netPmtPaidRecvOtherOrdersUsd>0.00</netPmtPaidRecvOtherOrdersUsd>
          <netPmtPaidRecvOtherOrdersCph>0.0000</netPmtPaidRecvOtherOrdersCph>
          <materialAspects>Old Mission Markets LLC (“OMM”) is an affiliate of Exchange Member Old Mission Capital LLC (“OMC”). OMC is a registered and bona-fide market maker on multiple exchanges and ECNs. At its discretion, OMM may “internalize” non-directed institutional client orders in which OMC makes a market. OMC could sustain profits or losses by trading as principal with any internalized institutional client orders.</materialAspects>
        </rVenue>
      </rVenues>
    </rOptions>
  </rMonthly>
</heldOrderRoutingPublicReport>
