<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001206304</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0000913760</issuerCik>
      <issuerName>StoneX Group Inc.</issuerName>
      <secFileNumber>001-36045</secFileNumber>
      <issuerAddress>
        <com:street1>230 PARK AVE</com:street1>
        <com:street2>10TH FLOOR</com:street2>
        <com:city>NEW YORK</com:city>
        <com:stateOrCountry>NY</com:stateOrCountry>
        <com:zipCode>10169</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>212-485-3500</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>BRANCH SCOTT J</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
        <relationshipToIssuer>Director</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Wells Fargo Clearing Services</name>
        <address>
          <com:street1>1 N. Jefferson Ave.</com:street1>
          <com:city>St. Louis</com:city>
          <com:stateOrCountry>MO</com:stateOrCountry>
          <com:zipCode>63103</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>7500</noOfUnitsSold>
      <aggregateMarketValue>500861.82</aggregateMarketValue>
      <noOfUnitsOutstanding>31550004</noOfUnitsOutstanding>
      <approxSaleDate>04/11/2024</approxSaleDate>
      <securitiesExchangeName>Nasdaq</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>03/13/2012</acquiredDate>
      <natureOfAcquisitionTransaction>Stock Options</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>7500</amountOfSecuritiesAcquired>
      <paymentDate>03/13/2012</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Scott J. Branch</name>
        <address>
          <com:street1>230 PARK AVE</com:street1>
          <com:street2>10TH FLOOR</com:street2>
          <com:city>NEW YORK</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10169</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common - Stonex Group, Inc</securitiesClassTitle>
      <saleDate>03/13/2024</saleDate>
      <amountOfSecuritiesSold>7500</amountOfSecuritiesSold>
      <grossProceeds>504535.34</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Scott J. Branch</name>
        <address>
          <com:street1>230 PARK AVE,</com:street1>
          <com:street2>10TH FLOOR</com:street2>
          <com:city>NEW YORK</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10169</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common - Stonex Group, Inc.</securitiesClassTitle>
      <saleDate>02/07/2024</saleDate>
      <amountOfSecuritiesSold>7500</amountOfSecuritiesSold>
      <grossProceeds>478843.56</grossProceeds>
    </securitiesSoldInPast3Months>
    <remarks>Shares sold by the Scott J. Branch Rev Living Trust, Scott J. Branch is a TTEE of the Trust and an officer/director of the issuer.</remarks>
    <noticeSignature>
      <noticeDate>04/11/2024</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>08/11/2023</planAdoptionDate>
      </planAdoptionDates>
      <signature>Scott J. Branch</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
[{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 4353}]
144
0001206304
XXXXXXXX
LIVE
0000913760
StoneX Group Inc.
001-36045
230 PARK AVE
10TH FLOOR
NEW YORK
NY
10169
212-485-3500
BRANCH SCOTT J
Officer
Director
Common
Wells Fargo Clearing Services
1 N. Jefferson Ave.
St. Louis
MO
63103
7500
500861.82
31550004
04/11/2024
Nasdaq
Common
03/13/2012
Stock Options
Issuer
N
7500
03/13/2012
N/A
N
Scott J. Branch
230 PARK AVE
10TH FLOOR
NEW YORK
NY
10169
Common - Stonex Group, Inc
03/13/2024
7500
504535.34
Scott J. Branch
230 PARK AVE,
10TH FLOOR
NEW YORK
NY
10169
Common - Stonex Group, Inc.
02/07/2024
7500
478843.56
Shares sold by the Scott J. Branch Rev Living Trust, Scott J. Branch is a TTEE of the Trust and an officer/director of the issuer.
04/11/2024
08/11/2023
Scott J. Branch