<?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>3</qtr>
  <timestamp>2025-10-29T20:57:10Z</timestamp>
  <rMonthly>
    <year>2025</year>
    <mon>07</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>15.66</ndoMarketPct>
      <ndoMarketableLimitPct>7.47</ndoMarketableLimitPct>
      <ndoNonmarketableLimitPct>11.03</ndoNonmarketableLimitPct>
      <ndoOtherPct>65.84</ndoOtherPct>
      <rVenues>
        <rVenue>
          <name>Dash/IMC Financial Markets</name>
          <orderPct>50.18</orderPct>
          <marketPct>100.00</marketPct>
          <marketableLimitPct>9.52</marketableLimitPct>
          <nonMarketableLimitPct>16.13</nonMarketableLimitPct>
          <otherPct>48.65</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>Cboe Exchange, Inc.</name>
          <orderPct>49.82</orderPct>
          <marketPct>0.00</marketPct>
          <marketableLimitPct>90.48</marketableLimitPct>
          <nonMarketableLimitPct>83.87</nonMarketableLimitPct>
          <otherPct>51.35</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>08</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>32.54</ndoMarketPct>
      <ndoMarketableLimitPct>11.24</ndoMarketableLimitPct>
      <ndoNonmarketableLimitPct>15.98</ndoNonmarketableLimitPct>
      <ndoOtherPct>40.24</ndoOtherPct>
      <rVenues>
        <rVenue>
          <name>Cboe Exchange, Inc.</name>
          <orderPct>74.56</orderPct>
          <marketPct>25.45</marketPct>
          <marketableLimitPct>100.00</marketableLimitPct>
          <nonMarketableLimitPct>92.59</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>25.44</orderPct>
          <marketPct>74.55</marketPct>
          <marketableLimitPct>0.00</marketableLimitPct>
          <nonMarketableLimitPct>7.41</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>09</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>47.62</ndoMarketPct>
      <ndoMarketableLimitPct>13.61</ndoMarketableLimitPct>
      <ndoNonmarketableLimitPct>17.01</ndoNonmarketableLimitPct>
      <ndoOtherPct>21.77</ndoOtherPct>
      <rVenues>
        <rVenue>
          <name>Cboe Exchange, Inc.</name>
          <orderPct>70.07</orderPct>
          <marketPct>40.00</marketPct>
          <marketableLimitPct>100.00</marketableLimitPct>
          <nonMarketableLimitPct>92.00</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>29.93</orderPct>
          <marketPct>60.00</marketPct>
          <marketableLimitPct>0.00</marketableLimitPct>
          <nonMarketableLimitPct>8.00</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>
