<SEC-DOCUMENT>0001156375-24-000061-index.html : 20240321
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<ACCEPTANCE-DATETIME>20240321160633
ACCESSION NUMBER:		0001156375-24-000061
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		14
FILED AS OF DATE:		20240321
DATE AS OF CHANGE:		20240321

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:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31553
		FILM NUMBER:		24771338

	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
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<FILENAME>a2024classbcampaignletters.htm
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Document 1 - file: a2024classbcampaignletters.htm

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<FILENAME>classbletterscombined_20001.jpg
<TEXT>
Document 2 - file: classbletterscombined_20001.jpg

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<SEQUENCE>3
<FILENAME>classbletterscombined_20002.jpg
<TEXT>
Document 3 - file: classbletterscombined_20002.jpg

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<FILENAME>classbletterscombined_20003.jpg
<TEXT>
Document 4 - file: classbletterscombined_20003.jpg

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<FILENAME>classbletterscombined_20004.jpg
<TEXT>
Document 5 - file: classbletterscombined_20004.jpg

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<FILENAME>classbletterscombined_20005.jpg
<TEXT>
Document 6 - file: classbletterscombined_20005.jpg

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<TEXT>
Document 7 - file: classbletterscombined_20006.jpg

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<FILENAME>classbletterscombined_20007.jpg
<TEXT>
Document 8 - file: classbletterscombined_20007.jpg

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<SEQUENCE>9
<FILENAME>classbletterscombined_20008.jpg
<TEXT>
Document 9 - file: classbletterscombined_20008.jpg

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<FILENAME>classbletterscombined_20009.jpg
<TEXT>
Document 10 - file: classbletterscombined_20009.jpg

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<FILENAME>classbletterscombined_20010.jpg
<TEXT>
Document 11 - file: classbletterscombined_20010.jpg

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<FILENAME>classbletterscombined_20011.jpg
<TEXT>
Document 12 - file: classbletterscombined_20011.jpg

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<FILENAME>classbletterscombined_20012.jpg
<TEXT>
Document 13 - file: classbletterscombined_20012.jpg

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Document 14 - file: coverpageforadef14a001.jpg

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