<SEC-DOCUMENT>0001179110-21-005400.txt : 20210517
<SEC-HEADER>0001179110-21-005400.hdr.sgml : 20210517
<ACCEPTANCE-DATETIME>20210517161607
ACCESSION NUMBER:		0001179110-21-005400
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210513
FILED AS OF DATE:		20210517
DATE AS OF CHANGE:		20210517

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			RATTERMAN JOSEPH P
		CENTRAL INDEX KEY:			0001163949
		STATE OF INCORPORATION:			MO
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34774
		FILM NUMBER:		21930852

	MAIL ADDRESS:	
		STREET 1:		C/O LABONE, INC.
		STREET 2:		10101 RENNER BOULEVARD
		CITY:			LENEXA
		STATE:			KS
		ZIP:			66219

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Cboe Global Markets, Inc.
		CENTRAL INDEX KEY:			0001374310
		STANDARD INDUSTRIAL CLASSIFICATION:	SECURITY & COMMODITY BROKERS, DEALERS, EXCHANGES & SERVICES [6200]
		IRS NUMBER:				205446972
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		400 SOUTH LASALLE
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60605
		BUSINESS PHONE:		312 786 7200

	MAIL ADDRESS:	
		STREET 1:		400 SOUTH LASALLE
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60605

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CBOE Holdings, Inc.
		DATE OF NAME CHANGE:	20060831
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-05-13</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001374310</issuerCik>
        <issuerName>Cboe Global Markets, Inc.</issuerName>
        <issuerTradingSymbol>CBOE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001163949</rptOwnerCik>
            <rptOwnerName>RATTERMAN JOSEPH P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CBOE GLOBAL MARKETS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>400 SOUTH LASALLE STREET</rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60605</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-05-13</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1276</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>113.66</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2758</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>34857</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents a restricted stock award granted under the Company's Second Amended and Restated Long-Term Incentive Plan, which meets the requirements of Rule 16b-3.</footnote>
        <footnote id="F2">Shares are held of record by Joseph P. Ratterman and Sandra M. Ratterman, as Trustess of the Joseph P. and Sandra M. Ratterman Trust dated September 15, 2008 or their successors in Trust. Mr. Ratterman disclaims beneficial ownership of the reported securities, except to the extent of his pecuniary interests therein.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Patrick Sexton, attorney-in-fact</signatureName>
        <signatureDate>2021-05-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
