    <SEC-DOCUMENT>0001156375-24-000055-index.html : 20240319
    <SEC-HEADER>0001156375-24-000055.hdr.sgml : 20240319
    <ACCEPTANCE-DATETIME>20240319144935
    ACCESSION NUMBER:		0001156375-24-000055
    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		1
    CONFORMED PERIOD OF REPORT:	20231231
    FILED AS OF DATE:		20240319
    DATE AS OF CHANGE:		20240319
    EFFECTIVENESS DATE:		20240319

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			CME GROUP INC.
    		CENTRAL INDEX KEY:			0001156375
    		STANDARD INDUSTRIAL CLASSIFICATION:	SECURITY & COMMODITY BROKERS, DEALERS, EXCHANGES & SERVICES [6200]
    		ORGANIZATION NAME:           	02 Finance
    		IRS NUMBER:				364459170
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		ARS
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-31553
    		FILM NUMBER:		24762569

    	BUSINESS ADDRESS:
    		STREET 1:		20 S. WACKER DR.
    		CITY:			CHICAGO
    		STATE:			IL
    		ZIP:			60606
    		BUSINESS PHONE:		3129301000

    	MAIL ADDRESS:
    		STREET 1:		20 S. WACKER DR.
    		CITY:			CHICAGO
    		STATE:			IL
    		ZIP:			60606

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	CHICAGO MERCANTILE EXCHANGE HOLDINGS INC
    		DATE OF NAME CHANGE:	20010802
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>ARS
    <SEQUENCE>1
    <FILENAME>ars_2024a.pdf
    <DESCRIPTION>ARS
    <TEXT>
    Document 1 - file: ars_2024a.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>