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        <link:definition>9955525 - Disclosure - STOCK-BASED COMPENSATION (Tables)</link:definition>
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  <xs:element id="cboe_IncreaseDecreaseInRestrictedCashClearingFund" abstract="false" name="IncreaseDecreaseInRestrictedCashClearingFund" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_IncreaseDecreaseInOtherAssets" abstract="false" name="IncreaseDecreaseInOtherAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_IncreaseDecreaseInRegulatoryFeesPayable" abstract="false" name="IncreaseDecreaseInRegulatoryFeesPayable" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_IncreaseDecreaseLiabilityForUncertaintyInIncomeTaxes" abstract="false" name="IncreaseDecreaseLiabilityForUncertaintyInIncomeTaxes" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_ProceedsFromInvestments" abstract="false" name="ProceedsFromInvestments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_PaymentsToPurchaseInvestments" abstract="false" name="PaymentsToPurchaseInvestments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_ProceedsFromStockPlansNet" abstract="false" name="ProceedsFromStockPlansNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_ReconciliationOfCashCashEquivalentsAndRestrictedCashAndCashEquivalentsAbstract" abstract="true" name="ReconciliationOfCashCashEquivalentsAndRestrictedCashAndCashEquivalentsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cboe_CashAndCashEquivalentsExcludingRestrictedCashIncludedInCashAndCashEquivalents" abstract="false" name="CashAndCashEquivalentsExcludingRestrictedCashIncludedInCashAndCashEquivalents" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_RestrictedCashAndCashEquivalentsInMarginDepositsAndClearingFunds" abstract="false" name="RestrictedCashAndCashEquivalentsInMarginDepositsAndClearingFunds" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_RestrictedCashAndCashEquivalentsInCashAndCashEquivalents" abstract="false" name="RestrictedCashAndCashEquivalentsInCashAndCashEquivalents" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_RestrictedCashAndCashEquivalentsInOtherCurrentAssets" abstract="false" name="RestrictedCashAndCashEquivalentsInOtherCurrentAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_RestrictedCashAndCashEquivalentsDepositsCustomersAndBanks" abstract="false" name="RestrictedCashAndCashEquivalentsDepositsCustomersAndBanks" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_UnsettledPurchasesOfCommonStock" abstract="false" name="UnsettledPurchasesOfCommonStock" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_EquityMethodInvestmentsAndOtherEquityInstrumentsTextBlock" abstract="false" name="EquityMethodInvestmentsAndOtherEquityInstrumentsTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="cboe_REGULATORYCAPITALAbstract" abstract="true" name="REGULATORYCAPITALAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cboe_SignificantAccountingPoliciesPolicyTextBlock" abstract="false" name="SignificantAccountingPoliciesPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="cboe_ContractWithCustomerAssetsAndLiabilitiesTableTextBlock" abstract="false" name="ContractWithCustomerAssetsAndLiabilitiesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="cboe_ScheduleOfDetailOfIntangibleAssetsTableTextBlock" abstract="false" name="ScheduleOfDetailOfIntangibleAssetsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="cboe_ScheduleOfCategoriesOfIntangibleAssetsTableTextBlock" abstract="false" name="ScheduleOfCategoriesOfIntangibleAssetsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="cboe_ScheduleOfClearingParticipantDepositsTableTextBlock" abstract="false" name="ScheduleOfClearingParticipantDepositsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="cboe_ScheduleOfFairValueOfDebtTableTextBlock" abstract="false" name="ScheduleOfFairValueOfDebtTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="cboe_LeaseBalanceSheetDisclosureTableTextBlock" abstract="false" name="LeaseBalanceSheetDisclosureTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="cboe_DataVantageMember" abstract="true" name="DataVantageMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_TransactionAndClearingFeesMember" abstract="true" name="TransactionAndClearingFeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_AccessAndCapacityFeesMember" abstract="true" name="AccessAndCapacityFeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_MarketDataFeesMember" abstract="true" name="MarketDataFeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_RegulatoryFeesMember" abstract="true" name="RegulatoryFeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="cboe_OptionsMember" abstract="true" name="OptionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_NorthAmericanEquitiesMember" abstract="true" name="NorthAmericanEquitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_EuropeAndAsiaPacificMember" abstract="true" name="EuropeAndAsiaPacificMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_FuturesMember" abstract="true" name="FuturesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_GlobalFXMember" abstract="true" name="GlobalFXMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_DigitalMember" abstract="true" name="DigitalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_NumberOfTypesOfRegulatoryFees" abstract="false" name="NumberOfTypesOfRegulatoryFees" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="cboe_ContractWithCustomerLiabilityTable" abstract="true" name="ContractWithCustomerLiabilityTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="cboe_LiquidityProviderSlidingScaleMember" abstract="true" name="LiquidityProviderSlidingScaleMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_OtherNetMember" abstract="true" name="OtherNetMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_ContractWithCustomerLiabilityLineItems" abstract="true" name="ContractWithCustomerLiabilityLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cboe_ContractWithCustomerLiabilityAdditions" abstract="false" name="ContractWithCustomerLiabilityAdditions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_RevenueRecognizedFromCurrentPeriodIncreaseInContractLiability" abstract="false" name="RevenueRecognizedFromCurrentPeriodIncreaseInContractLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_VariousAcquisitionsMember" abstract="true" name="VariousAcquisitionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_ScheduleofCostandEquityMethodInvestmentsTable" abstract="true" name="ScheduleofCostandEquityMethodInvestmentsTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="cboe_InvestmentIn7RidgeInvestments3LPMember" abstract="true" name="InvestmentIn7RidgeInvestments3LPMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_InvestmentInJapannextCo.Ltd.Member" abstract="true" name="InvestmentInJapannextCo.Ltd.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_InvestmentInErisInnovationsHoldingsLLCMember" abstract="true" name="InvestmentInErisInnovationsHoldingsLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_InvestmentInCSDBrMember" abstract="true" name="InvestmentInCSDBrMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_InvestmentInCoinMetricsInc.Member" abstract="true" name="InvestmentInCoinMetricsInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_InvestmentInCboeVestFinancialGroupInc.Member" abstract="true" name="InvestmentInCboeVestFinancialGroupInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_InvestmentInOCCMember" abstract="true" name="InvestmentInOCCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_OtherEquityInvestmentsMember" abstract="true" name="OtherEquityInvestmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_ScheduleofCostandEquityMethodInvestmentsLineItems" abstract="true" name="ScheduleofCostandEquityMethodInvestmentsLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cboe_FurnitureEquipmentAndLeaseholdImprovementsMember" abstract="true" name="FurnitureEquipmentAndLeaseholdImprovementsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_ScheduleofFiniteLivedandIndefiniteLivedIntangibleAssetsTable" abstract="true" name="ScheduleofFiniteLivedandIndefiniteLivedIntangibleAssetsTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="cboe_ScheduleofFiniteLivedandIndefiniteLivedIntangibleAssetsLineItems" abstract="true" name="ScheduleofFiniteLivedandIndefiniteLivedIntangibleAssetsLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cboe_FinitelivedandIndefinitelivedIntangibleAssetsRollForward" abstract="true" name="FinitelivedandIndefinitelivedIntangibleAssetsRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cboe_IntangibleAssetsForeignCurrencyTranslationGainLoss" abstract="false" name="IntangibleAssetsForeignCurrencyTranslationGainLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_DigitalAssetsHeldMember" abstract="true" name="DigitalAssetsHeldMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_DataProviderAgreementWithPythDataAssociationMember" abstract="true" name="DataProviderAgreementWithPythDataAssociationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_CboeNetherlandsServicesCompanyB.VMember" abstract="true" name="CboeNetherlandsServicesCompanyB.VMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_NumberOfUSEquitiesExchangesPublishingMarketData" abstract="false" name="NumberOfUSEquitiesExchangesPublishingMarketData" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="cboe_TotalNumberOfUSEquitiesExchanges" abstract="false" name="TotalNumberOfUSEquitiesExchanges" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="cboe_IntangibleAssetNumberOfTokensIssued" abstract="false" name="IntangibleAssetNumberOfTokensIssued" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="cboe_TermOfRestrictedTokensIssued" abstract="false" name="TermOfRestrictedTokensIssued" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="cboe_PercentageOfTrancheUnlockedForRestrictedTokensIssued" abstract="false" name="PercentageOfTrancheUnlockedForRestrictedTokensIssued" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="cboe_HistoricalValueOfRestrictedTokensInPricePerToken" abstract="false" name="HistoricalValueOfRestrictedTokensInPricePerToken" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="cboe_IntangibleAssetNumberOfTokensSold" abstract="false" name="IntangibleAssetNumberOfTokensSold" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="cboe_RebatesPayableCurrent" abstract="false" name="RebatesPayableCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_A3.650SeniorNotesDueJanuary2027Member" abstract="true" name="A3.650SeniorNotesDueJanuary2027Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_A1.625SeniorNotesDueDecember2030Member" abstract="true" name="A1.625SeniorNotesDueDecember2030Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_A3.000SeniorNotesDueMarch2032Member" abstract="true" name="A3.000SeniorNotesDueMarch2032Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_CboeClearEuropeCreditFacilityMember" abstract="true" name="CboeClearEuropeCreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_RevolvingCreditAgreementMember" abstract="true" name="RevolvingCreditAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_FloorRateMember" abstract="true" name="FloorRateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_DollarsSforMember" abstract="true" name="DollarsSforMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_SterlingSoniaMember" abstract="true" name="SterlingSoniaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_EurosEuriborMember" abstract="true" name="EurosEuriborMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_LineofCreditFacilityAccordionFeatureIncreaseLimit" abstract="false" name="LineofCreditFacilityAccordionFeatureIncreaseLimit" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_LineofCreditFacilityAccordionFeatureHigherBorrowingCapacityOption" abstract="false" name="LineofCreditFacilityAccordionFeatureHigherBorrowingCapacityOption" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_NumberOfSubsidiariesThatMayBeDesignatedAsAdditionalBorrowers" abstract="false" name="NumberOfSubsidiariesThatMayBeDesignatedAsAdditionalBorrowers" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="cboe_NumberOfSubsidiariesDesignatedAsAdditionalBorrowers" abstract="false" name="NumberOfSubsidiariesDesignatedAsAdditionalBorrowers" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="cboe_DebtInstrumentCovenantInterestCoverageRatioMinimum" abstract="false" name="DebtInstrumentCovenantInterestCoverageRatioMinimum" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="cboe_DebtInstrumentCovenantLeverageRatioMaximum" abstract="false" name="DebtInstrumentCovenantLeverageRatioMaximum" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="cboe_DebtInstrumentCovenantInterestCoverageRatioMinimumScenarioOne" abstract="false" name="DebtInstrumentCovenantInterestCoverageRatioMinimumScenarioOne" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="cboe_DebtInstrumentCovenantInterestCoverageRatioMinimumScenarioTwo" abstract="false" name="DebtInstrumentCovenantInterestCoverageRatioMinimumScenarioTwo" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="cboe_DebtInstrumentThresholdAmountTransferredToProviderOfSettlementOrCustodyServices" abstract="false" name="DebtInstrumentThresholdAmountTransferredToProviderOfSettlementOrCustodyServices" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_DebtInstrumentThresholdNetWorthOnEachDrawdown" abstract="false" name="DebtInstrumentThresholdNetWorthOnEachDrawdown" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_DebtInstrumentAmountToMeetLiquidityRegulations" abstract="false" name="DebtInstrumentAmountToMeetLiquidityRegulations" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour" abstract="false" name="LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_AmortizationOfFinancingCostsAndDiscountsAndCreditFacilityFees" abstract="false" name="AmortizationOfFinancingCostsAndDiscountsAndCreditFacilityFees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_ClearingOperationsTable" abstract="true" name="ClearingOperationsTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="cboe_CboeClearU.S.Member" abstract="true" name="CboeClearU.S.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_ClearingOperationsLineItems" abstract="true" name="ClearingOperationsLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cboe_NumberOfClearingHousesOperated" abstract="false" name="NumberOfClearingHousesOperated" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="cboe_NumberOfEuropeanMarketsInWhichEquityIsCleared" abstract="false" name="NumberOfEuropeanMarketsInWhichEquityIsCleared" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="cboe_NumberOfCentralCounterpartiesWithWhomInteroperableArrangementsAreMade" abstract="false" name="NumberOfCentralCounterpartiesWithWhomInteroperableArrangementsAreMade" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="cboe_NumberOfFormsUtilizationOfDefaultAndLiquidityWaterfalls" abstract="false" name="NumberOfFormsUtilizationOfDefaultAndLiquidityWaterfalls" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="cboe_DefaultAndLiquidWaterfallsOwnClearingPercentRegulatoryCapital" abstract="false" name="DefaultAndLiquidWaterfallsOwnClearingPercentRegulatoryCapital" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="cboe_DefaultAndLiquidWaterfallsOwnClearingPercentRegulatoryCapitalScenarioOne" abstract="false" name="DefaultAndLiquidWaterfallsOwnClearingPercentRegulatoryCapitalScenarioOne" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="cboe_DefaultAndLiquidWaterfallsOwnClearingPercentRegulatoryCapitalScenarioTwo" abstract="false" name="DefaultAndLiquidWaterfallsOwnClearingPercentRegulatoryCapitalScenarioTwo" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="cboe_NumberOfU.S.JurisdictionsInWhichMoneyServiceBusinessIsConducted" abstract="false" name="NumberOfU.S.JurisdictionsInWhichMoneyServiceBusinessIsConducted" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="cboe_MarginDepositsMember" abstract="true" name="MarginDepositsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_ClearingFundsMember" abstract="true" name="ClearingFundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_InteroperabilityFundsMember" abstract="true" name="InteroperabilityFundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_ClearingParticipantDepositsCentralBankAccount" abstract="false" name="ClearingParticipantDepositsCentralBankAccount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_ClearingParticipantDepositsReverseRepurchaseAndOther" abstract="false" name="ClearingParticipantDepositsReverseRepurchaseAndOther" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_ClearingParticipantDepositsCashContributions" abstract="false" name="ClearingParticipantDepositsCashContributions" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_ClearingParticipantDepositsTotalContributions" abstract="false" name="ClearingParticipantDepositsTotalContributions" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_ClearingParticipantDepositsNonCashContributions" abstract="false" name="ClearingParticipantDepositsNonCashContributions" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_ChicagoHeadquartersLocationMember" abstract="true" name="ChicagoHeadquartersLocationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_DisposalGroupIncludingDiscontinuedOperationConsiderationInCash" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationConsiderationInCash" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_DisposalGroupIncludingDiscontinuedOperationConsiderationSellerFinancing" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationConsiderationSellerFinancing" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_SecuredPromissoryNoteReceivableStatedInterestRate" abstract="false" name="SecuredPromissoryNoteReceivableStatedInterestRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="cboe_NoteReceivableTerm" abstract="false" name="NoteReceivableTerm" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="cboe_FairValueAssetRecurringBasisUnobservableInputReconciliationAdjustments" abstract="false" name="FairValueAssetRecurringBasisUnobservableInputReconciliationAdjustments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetForeignCurrencyTranslationGainLoss" abstract="false" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetForeignCurrencyTranslationGainLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_DefinedContributionAmountRemainingAmount" abstract="false" name="DefinedContributionAmountRemainingAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_CboeTradingAndBIDSTradingMember" abstract="true" name="CboeTradingAndBIDSTradingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_CboeFixedIncomeMarketsMember" abstract="true" name="CboeFixedIncomeMarketsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_CboeChiXEuropeMember" abstract="true" name="CboeChiXEuropeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_CFEMember" abstract="true" name="CFEMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_SEFMember" abstract="true" name="SEFMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_CboeDigitalExchangeMember" abstract="true" name="CboeDigitalExchangeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_CboeClearDigitalMember" abstract="true" name="CboeClearDigitalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_CboeJapanMember" abstract="true" name="CboeJapanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_MinimumNetCapitalToBeMaintainedPercentageOfAggregateIndebtednessItems" abstract="false" name="MinimumNetCapitalToBeMaintainedPercentageOfAggregateIndebtednessItems" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="cboe_MinimumNetCapitalToBeMaintained" abstract="false" name="MinimumNetCapitalToBeMaintained" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_CapitalResourcesRequirement" abstract="false" name="CapitalResourcesRequirement" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_NumberOfCapitalAdequacyTestsRequiredToBeMet" abstract="false" name="NumberOfCapitalAdequacyTestsRequiredToBeMet" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="cboe_MinimumRegulatoryCapitalRatio" abstract="false" name="MinimumRegulatoryCapitalRatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="cboe_CboeTradingMember" abstract="true" name="CboeTradingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_BIDSTradingMember" abstract="true" name="BIDSTradingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_CboeEuropeMember" abstract="true" name="CboeEuropeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_CboeNLMember" abstract="true" name="CboeNLMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_CboeClearEuropeMember" abstract="true" name="CboeClearEuropeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_CboeAustraliaMember" abstract="true" name="CboeAustraliaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_PSUsMember" abstract="true" name="PSUsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsNumberofSharesofCommonStockofWhichInstrumentisConvertible" abstract="false" name="SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsNumberofSharesofCommonStockofWhichInstrumentisConvertible" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="cboe_QualifiedRetirementEligibilityAgeForGrantsAwardsInAndAfter2017" abstract="false" name="QualifiedRetirementEligibilityAgeForGrantsAwardsInAndAfter2017" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="cboe_QualifiedRetirementEligibilityYearsOfServiceForGrantsAwardsInAndAfter2017" abstract="false" name="QualifiedRetirementEligibilityYearsOfServiceForGrantsAwardsInAndAfter2017" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="cboe_QualifiedRetirementEligibilityAgeForGrantsAwardsInAndAfter2024" abstract="false" name="QualifiedRetirementEligibilityAgeForGrantsAwardsInAndAfter2024" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="cboe_QualifiedRetirementEligibilityYearsOfServiceForGrantsAwardsInAndAfter2024" abstract="false" name="QualifiedRetirementEligibilityYearsOfServiceForGrantsAwardsInAndAfter2024" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="cboe_RetirementEligibilityPeriodOfAdvanceNoticeRequired" abstract="false" name="RetirementEligibilityPeriodOfAdvanceNoticeRequired" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="cboe_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodPromptingShareRepurchasesToSatisfyEmployeeTaxObligations" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodPromptingShareRepurchasesToSatisfyEmployeeTaxObligations" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="cboe_VolatilityTimePeriod" abstract="false" name="VolatilityTimePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="cboe_CorrelationToStockIndexTimePeriod" abstract="false" name="CorrelationToStockIndexTimePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="cboe_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsCorrelationWithStockIndex" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsCorrelationWithStockIndex" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="cboe_SharebasedCompensationArrangementBySharebasedPaymentAwardOriginalUnitsGrantedPercent" abstract="false" name="SharebasedCompensationArrangementBySharebasedPaymentAwardOriginalUnitsGrantedPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="cboe_ShareBasedCompensationArrangementByShareBasedPaymentAwardAnnualMaximumFairMarketValueOfStockPerEmployee" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAnnualMaximumFairMarketValueOfStockPerEmployee" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_CommonStockNumberOfVotesPerShare" abstract="false" name="CommonStockNumberOfVotesPerShare" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:decimalItemType"/>
  <xs:element id="cboe_PurchaseOfCommonStockFromEmployeesAbstract" abstract="true" name="PurchaseOfCommonStockFromEmployeesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cboe_TreasuryStockSharesAcquiredFromEmployeeStockPlansCostMethod" abstract="false" name="TreasuryStockSharesAcquiredFromEmployeeStockPlansCostMethod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="cboe_TreasuryStockAcquiredFromEmployeeStockPlansAveragePricePaidPerShare" abstract="false" name="TreasuryStockAcquiredFromEmployeeStockPlansAveragePricePaidPerShare" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="cboe_A2011ShareRepurchaseProgramMember" abstract="true" name="A2011ShareRepurchaseProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_WeightedAverageNumberOfSharesOutstandingDilutedBeforeEffectOfIncrementalCommonSharesAttributableToParticipatingNonvestedSharesWithNonForfeitableDividendRights" abstract="false" name="WeightedAverageNumberOfSharesOutstandingDilutedBeforeEffectOfIncrementalCommonSharesAttributableToParticipatingNonvestedSharesWithNonForfeitableDividendRights" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="cboe_CloudServicesProviderMember" abstract="true" name="CloudServicesProviderMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_LesseeOperatingLeaseOptionToTerminatePeriod" abstract="false" name="LesseeOperatingLeaseOptionToTerminatePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="cboe_AdditionalOperatingLeaseLiabilities" abstract="false" name="AdditionalOperatingLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_TotalLeasedAssets" abstract="false" name="TotalLeasedAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour" abstract="false" name="LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cboe_ChristopherIsaacsonMember" abstract="true" name="ChristopherIsaacsonMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_ChristopherIsaacsonTradingArrangementCommonStockMember" abstract="true" name="ChristopherIsaacsonTradingArrangementCommonStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_CatherineClayMember" abstract="true" name="CatherineClayMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_CatherineClayTradingArrangementCommonStockMember" abstract="true" name="CatherineClayTradingArrangementCommonStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_CatherineClayTradingArrangementRestrictedStockUnitsMember" abstract="true" name="CatherineClayTradingArrangementRestrictedStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cboe_CatherineClayTradingArrangementPerformanceBasedRestrictedStockUnitsMember" abstract="true" name="CatherineClayTradingArrangementPerformanceBasedRestrictedStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
