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  <xsd:element name="ContingentConsiderationLiabilityMember" id="cboe_ContingentConsiderationLiabilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentCovenantInterestCoverageRatioMinimum" id="cboe_DebtInstrumentCovenantInterestCoverageRatioMinimum" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentCovenantLeverageRatioMaximum" id="cboe_DebtInstrumentCovenantLeverageRatioMaximum" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element id="cboe_FinitelivedandIndefinitelivedIntangibleAssetsRollForward" name="FinitelivedandIndefinitelivedIntangibleAssetsRollForward" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="FuturesSegmentMember" id="cboe_FuturesSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GlobalFXSegmentMember" id="cboe_GlobalFXSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element id="cboe_IntangibleAssetsAcquired" name="IntangibleAssetsAcquired" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element name="IntangibleAssetsDisposed" id="cboe_IntangibleAssetsDisposed" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="IntangibleAssetsForeignCurrencyTranslationGainLoss" id="cboe_IntangibleAssetsForeignCurrencyTranslationGainLoss" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="LineofCreditFacilityAccordionFeatureHigherBorrowingCapacityOption" id="cboe_LineofCreditFacilityAccordionFeatureHigherBorrowingCapacityOption" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="LineofCreditFacilityAccordionFeatureIncreaseLimit" id="cboe_LineofCreditFacilityAccordionFeatureIncreaseLimit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="MarketDataFeesMember" id="cboe_MarketDataFeesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OptionsClearingCorporationMember" id="cboe_OptionsClearingCorporationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OptionsSegmentMember" id="cboe_OptionsSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherDeferredRevenueArrangementMember" id="cboe_OtherDeferredRevenueArrangementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherRevenuesMember" id="cboe_OtherRevenuesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RegulatoryFeesMember" id="cboe_RegulatoryFeesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RegulatoryFeesPayableCurrent" id="cboe_RegulatoryFeesPayableCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="RevolvingCreditAgreementMember" id="cboe_RevolvingCreditAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleofCostandEquityMethodInvestmentsLineItems" id="cboe_ScheduleofCostandEquityMethodInvestmentsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleofCostandEquityMethodInvestmentsTable" id="cboe_ScheduleofCostandEquityMethodInvestmentsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleofFiniteLivedandIndefiniteLivedIntangibleAssetsLineItems" id="cboe_ScheduleofFiniteLivedandIndefiniteLivedIntangibleAssetsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleofFiniteLivedandIndefiniteLivedIntangibleAssetsTable" id="cboe_ScheduleofFiniteLivedandIndefiniteLivedIntangibleAssetsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeniorNotesDue2027Member" id="cboe_SeniorNotesDue2027Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SharebasedCompensationArrangementBySharebasedPaymentAwardOriginalUnitsGrantedPercent" id="cboe_SharebasedCompensationArrangementBySharebasedPaymentAwardOriginalUnitsGrantedPercent" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsNumberofSharesofCommonStockofWhichInstrumentisConvertible" id="cboe_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsNumberofSharesofCommonStockofWhichInstrumentisConvertible" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element id="cboe_SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsCorrelationwithSP500" name="SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsCorrelationwithSP500" nillable="true" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element name="TermLoanAgreementMember" id="cboe_TermLoanAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="WeightedAverageNumberofSharesOutstandingDilutedBeforeEffectofIncrementalCommonSharesAttributabletoParticipatingNonvestedShareswithNonforfeitableDividendRights" id="cboe_WeightedAverageNumberofSharesOutstandingDilutedBeforeEffectofIncrementalCommonSharesAttributabletoParticipatingNonvestedShareswithNonforfeitableDividendRights" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedWorkingCapital" id="cboe_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedWorkingCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="LiquidityPaymentsMember" id="cboe_LiquidityPaymentsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element id="cboe_PropertyPlantAndEquipmentExcludingLandNet" name="PropertyPlantAndEquipmentExcludingLandNet" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element name="FurnitureAndEquipmentMember" id="cboe_FurnitureAndEquipmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ChicagoBoardOptionsExchangeSmartPlanSupplementalEmployeeRetirementPlanExecutiveRetirementPlanAndDeferredCompensationPlanMember" id="cboe_ChicagoBoardOptionsExchangeSmartPlanSupplementalEmployeeRetirementPlanExecutiveRetirementPlanAndDeferredCompensationPlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RestrictedStockAndRestrictedStockUnitsMember" id="cboe_RestrictedStockAndRestrictedStockUnitsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MarketingAdvertisingAndTravelExpense" id="cboe_MarketingAdvertisingAndTravelExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterest" id="cboe_ComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="ComprehensiveUndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic" id="cboe_ComprehensiveUndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="MinimumNetCapitalToBeMaintained" id="cboe_MinimumNetCapitalToBeMaintained" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="NumberOfSubsidiariesThatMayBeDesignatedAsAdditionalBorrowers" id="cboe_NumberOfSubsidiariesThatMayBeDesignatedAsAdditionalBorrowers" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="NumberOfSubsidiariesDesignatedAsAdditionalBorrowers" id="cboe_NumberOfSubsidiariesDesignatedAsAdditionalBorrowers" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="CboeEuropeEquitiesMember" id="cboe_CboeEuropeEquitiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfDetailOfIntangibleAssetsTableTextBlock" id="cboe_ScheduleOfDetailOfIntangibleAssetsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfCategoriesOfIntangibleAssetsTableTextBlock" id="cboe_ScheduleOfCategoriesOfIntangibleAssetsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RegulatoryCapitalRequirementsLineItems" id="cboe_RegulatoryCapitalRequirementsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element id="cboe_MinimumNetCapitalToBeMaintainedPercentageOfAggregateIndebtednessItems" name="MinimumNetCapitalToBeMaintainedPercentageOfAggregateIndebtednessItems" nillable="true" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" />
  <xsd:element name="CboeTradingMember" id="cboe_CboeTradingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CboeChiXEuropeMember" id="cboe_CboeChiXEuropeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CboeSefMember" id="cboe_CboeSefMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CfeMember" id="cboe_CfeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ComprehensiveIncomeLossAvailableToCommonStockholdersAfterTax" id="cboe_ComprehensiveIncomeLossAvailableToCommonStockholdersAfterTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cboe_RoutingAndClearingMember" name="RoutingAndClearingMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cboe_Section31FeesMember" name="Section31FeesMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cboe_RoyaltyFeesMember" name="RoyaltyFeesMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cboe_ContractWithCustomerLiabilityTable" name="ContractWithCustomerLiabilityTable" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cboe_ContractWithCustomerLiabilityLineItems" name="ContractWithCustomerLiabilityLineItems" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cboe_ContractWithCustomerLiabilityAdditions" name="ContractWithCustomerLiabilityAdditions" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="cboe_EquityInvestmentSecuritiesPercentage" name="EquityInvestmentSecuritiesPercentage" nillable="true" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cboe_EquityMethodInvestmentsAndOtherEquityInstrumentsTextBlock" name="EquityMethodInvestmentsAndOtherEquityInstrumentsTextBlock" nillable="true" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cboe_UpFrontPaymentsArrangementMember" name="UpFrontPaymentsArrangementMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cboe_IncreaseDecreaseInRegulatoryFeesPayable" name="IncreaseDecreaseInRegulatoryFeesPayable" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="cboe_IncreaseDecreaseLiabilityForUncertaintyInIncomeTaxes" name="IncreaseDecreaseLiabilityForUncertaintyInIncomeTaxes" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="cboe_VolatilityTimePeriod" name="VolatilityTimePeriod" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cboe_CorrelationToSP500IndexTimePeriod" name="CorrelationToSP500IndexTimePeriod" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cboe_TreasuryStockValueAcquiredFromEmployeeStockPlansCostMethod" name="TreasuryStockValueAcquiredFromEmployeeStockPlansCostMethod" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="cboe_EmployeeStockPurchasePlanAbstract" name="EmployeeStockPurchasePlanAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cboe_ShareBasedCompensationArrangementByShareBasedPaymentAwardAnnualMaximumFairMarketValueOfStockPerEmployee" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAnnualMaximumFairMarketValueOfStockPerEmployee" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="cboe_LeaseBalanceSheetDisclosureTableTextBlock" name="LeaseBalanceSheetDisclosureTableTextBlock" nillable="true" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cboe_LesseeOperatingLeaseOptionToTerminatePeriod" name="LesseeOperatingLeaseOptionToTerminatePeriod" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cboe_AdditionalRightOfUseAssets" name="AdditionalRightOfUseAssets" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="cboe_AccessAndCapacityFeesMember" name="AccessAndCapacityFeesMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cboe_PerformanceBasedRestrictedStockUnitsMember" name="PerformanceBasedRestrictedStockUnitsMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cboe_LesseeOperatingLeaseLiabilityPaymentsWithOptionToExtendTerm" name="LesseeOperatingLeaseLiabilityPaymentsWithOptionToExtendTerm" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <xsd:element id="cboe_QualifiedRetirementEligibilityAgeForGrantsAwardsInAndAfter2017" name="QualifiedRetirementEligibilityAgeForGrantsAwardsInAndAfter2017" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cboe_QualifiedRetirementEligibilityYearsOfServiceForGrantsAwardsInAndAfter2017" name="QualifiedRetirementEligibilityYearsOfServiceForGrantsAwardsInAndAfter2017" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cboe_MarketableSecuritiesMember" name="MarketableSecuritiesMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cboe_DefinedContributionAmountNonQualifiedRemainingAmount" name="DefinedContributionAmountNonQualifiedRemainingAmount" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="cboe_NumberOfTypesOfRegulatoryFees" name="NumberOfTypesOfRegulatoryFees" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cboe_CboeVestFinancialGroupMember" name="CboeVestFinancialGroupMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cboe_AreaOfOfficeSpaceLeased" name="AreaOfOfficeSpaceLeased" nillable="true" type="dtr-types:areaItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cboe_ShareRepurchaseProgramAbstract" name="ShareRepurchaseProgramAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cboe_PurchaseOfCommonStockFromEmployeesAbstract" name="PurchaseOfCommonStockFromEmployeesAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cboe_TreasuryStockSharesAcquiredFromEmployeeStockPlansCostMethod" name="TreasuryStockSharesAcquiredFromEmployeeStockPlansCostMethod" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cboe_TreasuryStockAcquiredFromEmployeeStockPlansAveragePricePaidPerShare" name="TreasuryStockAcquiredFromEmployeeStockPlansAveragePricePaidPerShare" nillable="true" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cboe_PaymentsToPurchaseInvestments" name="PaymentsToPurchaseInvestments" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="cboe_CboeEuropeNlMember" name="CboeEuropeNlMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cboe_SignificantAccountingPoliciesPolicyTextBlock" name="SignificantAccountingPoliciesPolicyTextBlock" nillable="true" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cboe_IncreaseDecreaseInOtherAssets" name="IncreaseDecreaseInOtherAssets" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="cboe_CommonStockNumberOfVotesPerShare" name="CommonStockNumberOfVotesPerShare" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" />
  <xsd:element id="cboe_IncreaseDecreaseInRestrictedCashClearingFund" name="IncreaseDecreaseInRestrictedCashClearingFund" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="cboe_MarginDepositsAndClearingFundsAssets" name="MarginDepositsAndClearingFundsAssets" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="cboe_MarginDepositsAndClearingFundsLiabilities" name="MarginDepositsAndClearingFundsLiabilities" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <xsd:element id="cboe_MatchnowMember" name="MatchnowMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cboe_RebatesPayableCurrent" name="RebatesPayableCurrent" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <xsd:element id="cboe_DebtInstrumentThresholdAmountTransferredToProviderOfSettlementOrCustodyServices" name="DebtInstrumentThresholdAmountTransferredToProviderOfSettlementOrCustodyServices" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="cboe_DebtTerminationPeriodFromAgreementBorrowedAmountBecomesDueAndPayable" name="DebtTerminationPeriodFromAgreementBorrowedAmountBecomesDueAndPayable" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cboe_DebtInstrumentAmountToMeetMinimumLiquidityRegulations" name="DebtInstrumentAmountToMeetMinimumLiquidityRegulations" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="cboe_DebtInstrumentThresholdNetWorthOnEachDrawdown" name="DebtInstrumentThresholdNetWorthOnEachDrawdown" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element id="cboe_NorthAmericanEquitiesSegmentMember" name="NorthAmericanEquitiesSegmentMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cboe_ScheduleOfClearingParticipantDepositsTableTextBlock" name="ScheduleOfClearingParticipantDepositsTableTextBlock" nillable="true" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cboe_ClearingOperationsTable" name="ClearingOperationsTable" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cboe_ClearingOperationsLineItems" name="ClearingOperationsLineItems" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cboe_MarginDepositsMember" name="MarginDepositsMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cboe_ClearingFundsMember" name="ClearingFundsMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cboe_InteroperabilityFundsMember" name="InteroperabilityFundsMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cboe_ClearingParticipantDepositsCashContributions" name="ClearingParticipantDepositsCashContributions" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <xsd:element id="cboe_ClearingParticipantDepositsNonCashContributions" name="ClearingParticipantDepositsNonCashContributions" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <xsd:element id="cboe_ClearingParticipantDepositsTotalContributions" name="ClearingParticipantDepositsTotalContributions" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <xsd:element id="cboe_NumberOfEuropeanMarketsInWhichEquityIsCleared" name="NumberOfEuropeanMarketsInWhichEquityIsCleared" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cboe_NumberOfCentralCounterpartiesWithWhomInteroperableArrangementsAreMade" name="NumberOfCentralCounterpartiesWithWhomInteroperableArrangementsAreMade" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cboe_OtherEquityInvestmentsMember" name="OtherEquityInvestmentsMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cboe_RevenueRecognizedFromCurrentPeriodIncreaseInContractLiability" name="RevenueRecognizedFromCurrentPeriodIncreaseInContractLiability" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="cboe_DefaultAndLiquidWaterfallsOwnClearingPercentRegulatoryCapital" name="DefaultAndLiquidWaterfallsOwnClearingPercentRegulatoryCapital" nillable="true" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cboe_AmortizationOfFinancingCostsAndDiscountsAndCreditFacilityFees" name="AmortizationOfFinancingCostsAndDiscountsAndCreditFacilityFees" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="cboe_BidsTradingMember" name="BidsTradingMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cboe_SeniorNotesDue2030Member" name="SeniorNotesDue2030Member" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cboe_ScheduleOfFairValueOfDebtTableTextBlock" name="ScheduleOfFairValueOfDebtTableTextBlock" nillable="true" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cboe_NumberOfCapitalAdequacyTestsRequiredToBeMet" name="NumberOfCapitalAdequacyTestsRequiredToBeMet" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" />
  <xsd:element id="cboe_CboeAndBidsTradingMember" name="CboeAndBidsTradingMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cboe_PaymentForIssuanceOfStockUnderEmployeeStockPurchasePlan" name="PaymentForIssuanceOfStockUnderEmployeeStockPurchasePlan" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="cboe_ChicagoHeadquartersLocationMember" name="ChicagoHeadquartersLocationMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cboe_AmendedTermLoanAgreementMember" name="AmendedTermLoanAgreementMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cboe_MarginDepositsAndClearingFundsAssetsMember" name="MarginDepositsAndClearingFundsAssetsMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cboe_ReconciliationOfCashCashEquivalentsAndRestrictedCashAndCashEquivalentsAbstract" name="ReconciliationOfCashCashEquivalentsAndRestrictedCashAndCashEquivalentsAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cboe_MinimumJapaneseRegulatoryCapitalRatio" name="MinimumJapaneseRegulatoryCapitalRatio" nillable="true" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" />
  <xsd:element id="cboe_EuropeAndAsiaPacificMember" name="EuropeAndAsiaPacificMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="cboe_ContractWithCustomerAssetsAndLiabilitiesTableTextBlock" name="ContractWithCustomerAssetsAndLiabilitiesTableTextBlock" nillable="true" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="cboe_NumberOfCasesBeforeUsTaxCourt" name="NumberOfCasesBeforeUsTaxCourt" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" />
  <xsd:element id="cboe_RegulatoryCapitalAbstract" name="RegulatoryCapitalAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="OfficeSpaceInAmsterdamMember" id="cboe_OfficeSpaceInAmsterdamMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SevenRidgeInvestmentsThreeLpMember" id="cboe_SevenRidgeInvestmentsThreeLpMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour" id="cboe_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="SeniorNotesDue2032Member" id="cboe_SeniorNotesDue2032Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DerivativesMarketsMember" id="cboe_DerivativesMarketsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CashAndSpotMarketsMember" id="cboe_CashAndSpotMarketsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DataAndAccessSolutionsMember" id="cboe_DataAndAccessSolutionsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FloorRateMember" id="cboe_FloorRateMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SterlingSoniaMember" id="cboe_SterlingSoniaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DollarsSforMember" id="cboe_DollarsSforMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EurosEuriborMember" id="cboe_EurosEuriborMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EffectiveIncomeTaxRateReconciliationTaxEffectOfSection199" id="cboe_EffectiveIncomeTaxRateReconciliationTaxEffectOfSection199" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour" id="cboe_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="DigitalSegmentMember" id="cboe_DigitalSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SafeguardingAssetPlatformOperatorCryptoAsset" id="cboe_SafeguardingAssetPlatformOperatorCryptoAsset" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="SafeguardingLiabilityPlatformOperatorCryptoAsset" id="cboe_SafeguardingLiabilityPlatformOperatorCryptoAsset" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="DigitalAssetsHeldMember" id="cboe_DigitalAssetsHeldMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NeoMember" id="cboe_NeoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="InvestmentInErisExchangeHoldingsLLCMember" id="cboe_InvestmentInErisExchangeHoldingsLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CsdBrMember" id="cboe_CsdBrMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CoinMetricsIncMember" id="cboe_CoinMetricsIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DigitalAssetsHeldFairValueDisclosure" id="cboe_DigitalAssetsHeldFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="PaycheckProtectionProgramLoansMember" id="cboe_PaycheckProtectionProgramLoansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ScheduleOfCustomerCashDepositsAndSafeguardedDigitalAssetsHeldForClearingTransactionsTableTextBlock" id="cboe_ScheduleOfCustomerCashDepositsAndSafeguardedDigitalAssetsHeldForClearingTransactionsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ScheduleOfValuationOfDigitalAssetsTableTextBlock" id="cboe_ScheduleOfValuationOfDigitalAssetsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="NumberOfU.s.JurisdictionsInWhichEquityIsCleared" id="cboe_NumberOfU.s.JurisdictionsInWhichEquityIsCleared" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="CustomerCashDeposit" id="cboe_CustomerCashDeposit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="CustomerAssetsHeldForClearing" id="cboe_CustomerAssetsHeldForClearing" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="BitcoinMember" id="cboe_BitcoinMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EthereumMember" id="cboe_EthereumMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LitecoinMember" id="cboe_LitecoinMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="BitcoinCashMember" id="cboe_BitcoinCashMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="UsdCoinMember" id="cboe_UsdCoinMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SafeguardingAssetPlatformOperatorCryptoAssetNumberOfUnits" id="cboe_SafeguardingAssetPlatformOperatorCryptoAssetNumberOfUnits" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="SafeguardingAssetPlatformOperatorCryptoAssetValuePerUnit" id="cboe_SafeguardingAssetPlatformOperatorCryptoAssetValuePerUnit" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="CountriesOtherThanUSMember" id="cboe_CountriesOtherThanUSMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RestrictedCashAndCashEquivalentsDepositsCustomersAndBanks" id="cboe_RestrictedCashAndCashEquivalentsDepositsCustomersAndBanks" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="FairValueDigitalAssetsSafeguardedAssetsAndSafeguardedLiabilitiesAbstract" id="cboe_FairValueDigitalAssetsSafeguardedAssetsAndSafeguardedLiabilitiesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CboeJapanMember" id="cboe_CboeJapanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="IncreaseDecreaseInInvestmentsInAndAdvanceToAffiliatesSubsidiariesAssociatesAndJointVenturesTotal" id="cboe_IncreaseDecreaseInInvestmentsInAndAdvanceToAffiliatesSubsidiariesAssociatesAndJointVenturesTotal" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="DebtInstrumentCovenantInterestCoverageRatioMinimumScenarioOne" id="cboe_DebtInstrumentCovenantInterestCoverageRatioMinimumScenarioOne" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DebtInstrumentCovenantInterestCoverageRatioMinimumScenarioTwo" id="cboe_DebtInstrumentCovenantInterestCoverageRatioMinimumScenarioTwo" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DebtInstrumentCovenantLeverageRatioMaximumScenarioOne" id="cboe_DebtInstrumentCovenantLeverageRatioMaximumScenarioOne" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="DebtInstrumentCovenantLeverageRatioMaximumScenarioTwo" id="cboe_DebtInstrumentCovenantLeverageRatioMaximumScenarioTwo" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="CboeDigitalMember" id="cboe_CboeDigitalMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CboeFixedIncomeMarketsMember" id="cboe_CboeFixedIncomeMarketsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CboeDigitalExchangeMember" id="cboe_CboeDigitalExchangeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CboeClearDigitalMember" id="cboe_CboeClearDigitalMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FairValueLiabilityRecurringBasisUnobservableInputReconciliationAdjustments" id="cboe_FairValueLiabilityRecurringBasisUnobservableInputReconciliationAdjustments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="EffectiveInvestingLimitedMember" id="cboe_EffectiveInvestingLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NumberOfOtherStockExchanges" id="cboe_NumberOfOtherStockExchanges" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="ContractualObligationTerm" id="cboe_ContractualObligationTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="CboeClearEuropeMember" id="cboe_CboeClearEuropeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CboeClearEuropeCreditFacilityMember" id="cboe_CboeClearEuropeCreditFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CboeDigitalWarrantLiabilityMember" id="cboe_CboeDigitalWarrantLiabilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RestrictedCommonUnitsLiabilityFairValue" id="cboe_RestrictedCommonUnitsLiabilityFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="WarrantLiabilityFairValue" id="cboe_WarrantLiabilityFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ContraRevenueAssets" id="cboe_ContraRevenueAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ScheduleOfPurchasePriceAllocationTableTextBlock" id="cboe_ScheduleOfPurchasePriceAllocationTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentWorkingCapital" id="cboe_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentWorkingCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentContingentConsideration" id="cboe_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentContingentConsideration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="CboeDigitalRestrictedCommonUnitsLiabilityMember" id="cboe_CboeDigitalRestrictedCommonUnitsLiabilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CboeDigitalWarrantsMember" id="cboe_CboeDigitalWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CboeDigitalRestrictedCommonUnitsMember" id="cboe_CboeDigitalRestrictedCommonUnitsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="WarrantsVested" id="cboe_WarrantsVested" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="RestrictedCashAndCashEquivalentsInMarginDepositsAndClearingFunds" id="cboe_RestrictedCashAndCashEquivalentsInMarginDepositsAndClearingFunds" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="RestrictedCashAndCashEquivalentsInOtherCurrentAssets" id="cboe_RestrictedCashAndCashEquivalentsInOtherCurrentAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="OptionsOrWarrantsContraRevenueRecognized" id="cboe_OptionsOrWarrantsContraRevenueRecognized" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="HanweckFtOptionsAndCboeAsiaPacificMember" id="cboe_HanweckFtOptionsAndCboeAsiaPacificMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CboeAustraliaMember" id="cboe_CboeAustraliaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OptionsOrWarrantsContraRevenueAdjustment" id="cboe_OptionsOrWarrantsContraRevenueAdjustment" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
</xsd:schema>
