    <SEC-DOCUMENT>0000913760-21-000005-index.html : 20210115
    <SEC-HEADER>0000913760-21-000005.hdr.sgml : 20210115
    <ACCEPTANCE-DATETIME>20210115160721
    ACCESSION NUMBER:		0000913760-21-000005
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		7
    CONFORMED PERIOD OF REPORT:	20210115
    FILED AS OF DATE:		20210115
    DATE AS OF CHANGE:		20210115

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			StoneX Group Inc.
    		CENTRAL INDEX KEY:			0000913760
    		STANDARD INDUSTRIAL CLASSIFICATION:	SECURITY & COMMODITY BROKERS, DEALERS, EXCHANGES & SERVICES [6200]
    		IRS NUMBER:				592921318
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			0930

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-36045
    		FILM NUMBER:		21532169

    	BUSINESS ADDRESS:
    		STREET 1:		155 EAST 44TH STREET
    		STREET 2:		SUITE 900
    		CITY:			NEW YORK
    		STATE:			NY
    		ZIP:			10017
    		BUSINESS PHONE:		212-485-3500

    	MAIL ADDRESS:
    		STREET 1:		155 EAST 44TH STREET
    		STREET 2:		SUITE 900
    		CITY:			NEW YORK
    		STATE:			NY
    		ZIP:			10017

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	INTL FCSTONE INC.
    		DATE OF NAME CHANGE:	20110302

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	INTERNATIONAL ASSETS HOLDING CORP
    		DATE OF NAME CHANGE:	19931020
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>a2021proxy.htm
    <DESCRIPTION>DEF 14A
    <TEXT>
    Document 1 - file: a2021proxy.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-1
    <SEQUENCE>2
    <FILENAME>a2021proxycard.htm
    <DESCRIPTION>EX-1
    <TEXT>
    Document 2 - file: a2021proxycard.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-2
    <SEQUENCE>3
    <FILENAME>a2021proxynotice.htm
    <DESCRIPTION>EX-2
    <TEXT>
    Document 3 - file: a2021proxynotice.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>a2021proxycard001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: a2021proxycard001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>a2021proxycard002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: a2021proxycard002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>a2021proxynotice001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: a2021proxynotice001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>a2021proxynotice002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: a2021proxynotice002.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>