<?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>2025</year>
  <qtr>4</qtr>
  <timestamp>2026-01-14T17:19:11Z</timestamp>
  <rMonthly>
    <year>2025</year>
    <mon>10</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>36.24</ndoMarketPct>
      <ndoMarketableLimitPct>13.30</ndoMarketableLimitPct>
      <ndoNonmarketableLimitPct>22.48</ndoNonmarketableLimitPct>
      <ndoOtherPct>27.98</ndoOtherPct>
      <rVenues>
        <rVenue>
          <name>Cboe Exchange, Inc.</name>
          <orderPct>63.76</orderPct>
          <marketPct>40.51</marketPct>
          <marketableLimitPct>79.31</marketableLimitPct>
          <nonMarketableLimitPct>51.02</nonMarketableLimitPct>
          <otherPct>96.72</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>36.24</orderPct>
          <marketPct>59.49</marketPct>
          <marketableLimitPct>20.69</marketableLimitPct>
          <nonMarketableLimitPct>48.98</nonMarketableLimitPct>
          <otherPct>3.28</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>2025</year>
    <mon>11</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>27.04</ndoMarketPct>
      <ndoMarketableLimitPct>14.16</ndoMarketableLimitPct>
      <ndoNonmarketableLimitPct>29.61</ndoNonmarketableLimitPct>
      <ndoOtherPct>29.18</ndoOtherPct>
      <rVenues>
        <rVenue>
          <name>Cboe Exchange, Inc.</name>
          <orderPct>58.80</orderPct>
          <marketPct>41.27</marketPct>
          <marketableLimitPct>51.52</marketableLimitPct>
          <nonMarketableLimitPct>37.68</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>41.20</orderPct>
          <marketPct>58.73</marketPct>
          <marketableLimitPct>48.48</marketableLimitPct>
          <nonMarketableLimitPct>62.32</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>2025</year>
    <mon>12</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>38.54</ndoMarketPct>
      <ndoMarketableLimitPct>11.71</ndoMarketableLimitPct>
      <ndoNonmarketableLimitPct>23.41</ndoNonmarketableLimitPct>
      <ndoOtherPct>26.34</ndoOtherPct>
      <rVenues>
        <rVenue>
          <name>Cboe Exchange, Inc.</name>
          <orderPct>63.41</orderPct>
          <marketPct>37.97</marketPct>
          <marketableLimitPct>91.67</marketableLimitPct>
          <nonMarketableLimitPct>50.00</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>36.59</orderPct>
          <marketPct>62.03</marketPct>
          <marketableLimitPct>8.33</marketableLimitPct>
          <nonMarketableLimitPct>50.00</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>
