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  <xsd:element name="OtherRevenuesMember" id="cboe_OtherRevenuesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RegulatoryFeesMember" id="cboe_RegulatoryFeesMember" type="nonnum: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="nonnum: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="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SharebasedCompensationArrangementBySharebasedPaymentAwardOriginalUnitsGrantedPercent" id="cboe_SharebasedCompensationArrangementBySharebasedPaymentAwardOriginalUnitsGrantedPercent" type="num: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" />
  <element id="cboe_SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsCorrelationwithSP500" name="SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsCorrelationwithSP500" nillable="true" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element name="SignalTradingSystemsLLCMember" id="cboe_SignalTradingSystemsLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SwapExecutionFacilityOperatingExpensesforDeterminationofResourceAdequacy" id="cboe_SwapExecutionFacilityOperatingExpensesforDeterminationofResourceAdequacy" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <element id="cboe_SwapExecutionFacilitySixMonthOperatingExpensesforDeterminationofResourceAdequacy" name="SwapExecutionFacilitySixMonthOperatingExpensesforDeterminationofResourceAdequacy" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element name="TermLoanAgreementMember" id="cboe_TermLoanAgreementMember" type="nonnum: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="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element id="cboe_PropertyPlantAndEquipmentExcludingLandNet" name="PropertyPlantAndEquipmentExcludingLandNet" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element name="FurnitureAndEquipmentMember" id="cboe_FurnitureAndEquipmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ChicagoBoardOptionsExchangeSmartPlanSupplementalEmployeeRetirementPlanExecutiveRetirementPlanAndDeferredCompensationPlanMember" id="cboe_ChicagoBoardOptionsExchangeSmartPlanSupplementalEmployeeRetirementPlanExecutiveRetirementPlanAndDeferredCompensationPlanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RestrictedStockAndRestrictedStockUnitsMember" id="cboe_RestrictedStockAndRestrictedStockUnitsMember" type="nonnum: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="CityOfProvidenceRhodeIslandMember" id="cboe_CityOfProvidenceRhodeIslandMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfOtherSecuritiesExchangesLawsuitFiledAgainst" id="cboe_NumberOfOtherSecuritiesExchangesLawsuitFiledAgainst" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="CboeEuropeEquitiesMember" id="cboe_CboeEuropeEquitiesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfDetailOfIntangibleAssetsTableTextBlock" id="cboe_ScheduleOfDetailOfIntangibleAssetsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfCategoriesOfIntangibleAssetsTableTextBlock" id="cboe_ScheduleOfCategoriesOfIntangibleAssetsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CboeEuropeEquitiesEmployeeSelectedStakeholderContributionPlanMember" id="cboe_CboeEuropeEquitiesEmployeeSelectedStakeholderContributionPlanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" 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" />
  <element id="cboe_MinimumNetCapitalToBeMaintainedPercentageOfAggregateIndebtednessItems" name="MinimumNetCapitalToBeMaintainedPercentageOfAggregateIndebtednessItems" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element name="CboeTradingMember" id="cboe_CboeTradingMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CboeChiXEuropeMember" id="cboe_CboeChiXEuropeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CboeSefMember" id="cboe_CboeSefMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CfeMember" id="cboe_CfeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ErisExchangeHoldingsLlcMember" id="cboe_ErisExchangeHoldingsLlcMember" type="nonnum: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" />
  <element id="cboe_AmericanFinancialExchangeLlcMember" name="AmericanFinancialExchangeLlcMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_DebtInstrumentUpfrontFeePercentage" name="DebtInstrumentUpfrontFeePercentage" nillable="true" type="xbrli:pureItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_RoutingAndClearingMember" name="RoutingAndClearingMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_Section31FeesMember" name="Section31FeesMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_RoyaltyFeesMember" name="RoyaltyFeesMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_ContractWithCustomerLiabilityTable" name="ContractWithCustomerLiabilityTable" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_ContractWithCustomerLiabilityLineItems" name="ContractWithCustomerLiabilityLineItems" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_ContractWithCustomerLiabilityAdditions" name="ContractWithCustomerLiabilityAdditions" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_EquityInvestmentSecuritiesPercentage" name="EquityInvestmentSecuritiesPercentage" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_EquityMethodInvestmentsAndOtherEquityInstrumentsTextBlock" name="EquityMethodInvestmentsAndOtherEquityInstrumentsTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_UpFrontPaymentsArrangementMember" name="UpFrontPaymentsArrangementMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_IncreaseDecreaseInRegulatoryFeesPayable" name="IncreaseDecreaseInRegulatoryFeesPayable" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_IncreaseDecreaseLiabilityForUncertaintyInIncomeTaxes" name="IncreaseDecreaseLiabilityForUncertaintyInIncomeTaxes" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_NoncashOrPartNoncashAcquisitionGoodwillAcquired" name="NoncashOrPartNoncashAcquisitionGoodwillAcquired" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_NoncashOrPartNoncashAcquisitionAccountsPayablesAndAccruedLiabilitiesAssumed" name="NoncashOrPartNoncashAcquisitionAccountsPayablesAndAccruedLiabilitiesAssumed" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_VolatilityTimePeriod" name="VolatilityTimePeriod" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_CorrelationToSP500IndexTimePeriod" name="CorrelationToSP500IndexTimePeriod" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_TreasuryStockValueAcquiredFromEmployeeStockPlansCostMethod" name="TreasuryStockValueAcquiredFromEmployeeStockPlansCostMethod" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_EmployeeStockPurchasePlanAbstract" name="EmployeeStockPurchasePlanAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_ShareBasedCompensationArrangementByShareBasedPaymentAwardAnnualMaximumFairMarketValueOfStockPerEmployee" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAnnualMaximumFairMarketValueOfStockPerEmployee" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_LeaseBalanceSheetDisclosureTableTextBlock" name="LeaseBalanceSheetDisclosureTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_LesseeOperatingLeaseOptionToTerminatePeriod" name="LesseeOperatingLeaseOptionToTerminatePeriod" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_AdditionalRightOfUseAssets" name="AdditionalRightOfUseAssets" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_AccessAndCapacityFeesMember" name="AccessAndCapacityFeesMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_ProceedsByReturnOfCapitalFromInvestments" name="ProceedsByReturnOfCapitalFromInvestments" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_PerformanceBasedRestrictedStockUnitsMember" name="PerformanceBasedRestrictedStockUnitsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_LesseeOperatingLeaseLiabilityPaymentsWithOptionToExtendTerm" name="LesseeOperatingLeaseLiabilityPaymentsWithOptionToExtendTerm" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_QualifiedRetirementEligibilityAgeForGrantsAwardsInAndAfter2017" name="QualifiedRetirementEligibilityAgeForGrantsAwardsInAndAfter2017" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_QualifiedRetirementEligibilityYearsOfServiceForGrantsAwardsInAndAfter2017" name="QualifiedRetirementEligibilityYearsOfServiceForGrantsAwardsInAndAfter2017" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_OtherCostsMember" name="OtherCostsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_MarketableSecuritiesMember" name="MarketableSecuritiesMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_DefinedContributionAmountNonQualifiedRemainingAmount" name="DefinedContributionAmountNonQualifiedRemainingAmount" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_PropertyHeldForSale" name="PropertyHeldForSale" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_NumberOfTypesOfRegulatoryFees" name="NumberOfTypesOfRegulatoryFees" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_CboeVestFinancialGroupMember" name="CboeVestFinancialGroupMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_AdditionalOperatingLeaseLiabilities" name="AdditionalOperatingLeaseLiabilities" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_AreaOfOfficeSpaceLeased" name="AreaOfOfficeSpaceLeased" nillable="true" type="num:areaItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_ShareRepurchaseProgramAbstract" name="ShareRepurchaseProgramAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_PurchaseOfCommonStockFromEmployeesAbstract" name="PurchaseOfCommonStockFromEmployeesAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_TreasuryStockSharesAcquiredFromEmployeeStockPlansCostMethod" name="TreasuryStockSharesAcquiredFromEmployeeStockPlansCostMethod" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_TreasuryStockAcquiredFromEmployeeStockPlansAveragePricePaidPerShare" name="TreasuryStockAcquiredFromEmployeeStockPlansAveragePricePaidPerShare" nillable="true" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_PaymentsToPurchaseInvestments" name="PaymentsToPurchaseInvestments" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_CboeEuropeNlMember" name="CboeEuropeNlMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_LeaseIncentiveForLeaseholdImprovements" name="LeaseIncentiveForLeaseholdImprovements" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_NoncashOrPartNoncashAcquisitionDeferredRevenue" name="NoncashOrPartNoncashAcquisitionDeferredRevenue" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_SignificantAccountingPoliciesPolicyTextBlock" name="SignificantAccountingPoliciesPolicyTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_IncreaseDecreaseInOtherAssets" name="IncreaseDecreaseInOtherAssets" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_ErisDigitalHoldingsLlcMember" name="ErisDigitalHoldingsLlcMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_TradeAlertLlcMember" name="TradeAlertLlcMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_AcquisitionsMember" name="AcquisitionsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_StockRepurchaseProgramAmountAuthorizedDuringPeriod" name="StockRepurchaseProgramAmountAuthorizedDuringPeriod" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_CommonStockNumberOfVotesPerShare" name="CommonStockNumberOfVotesPerShare" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_CommittedSyndicatedMulticurrencyRevolvingAndSwinglineCreditFacilityMember" name="CommittedSyndicatedMulticurrencyRevolvingAndSwinglineCreditFacilityMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_IncreaseDecreaseInRestrictedCashClearingFund" name="IncreaseDecreaseInRestrictedCashClearingFund" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_MarginDepositsAndClearingFundsAssets" name="MarginDepositsAndClearingFundsAssets" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_MarginDepositsAndClearingFundsLiabilities" name="MarginDepositsAndClearingFundsLiabilities" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_FtProvidersLlcMember" name="FtProvidersLlcMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_HanweckAssociatesLlcMember" name="HanweckAssociatesLlcMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_MatchnowMember" name="MatchnowMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_RebatesPayableCurrent" name="RebatesPayableCurrent" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_DebtInstrumentThresholdAmountTransferredToProviderOfSettlementOrCustodyServices" name="DebtInstrumentThresholdAmountTransferredToProviderOfSettlementOrCustodyServices" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_DebtTerminationPeriodFromAgreementBorrowedAmountBecomesDueAndPayable" name="DebtTerminationPeriodFromAgreementBorrowedAmountBecomesDueAndPayable" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_DebtInstrumentAmountToMeetMinimumLiquidityRegulations" name="DebtInstrumentAmountToMeetMinimumLiquidityRegulations" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_DebtInstrumentThresholdNetWorthOnEachDrawdown" name="DebtInstrumentThresholdNetWorthOnEachDrawdown" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_NorthAmericanEquitiesSegmentMember" name="NorthAmericanEquitiesSegmentMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_ScheduleOfClearingParticipantDepositsTableTextBlock" name="ScheduleOfClearingParticipantDepositsTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_ClearingOperationsTable" name="ClearingOperationsTable" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_ClearingOperationsLineItems" name="ClearingOperationsLineItems" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_MarginDepositsMember" name="MarginDepositsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_ClearingFundsMember" name="ClearingFundsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_InteroperabilityFundsMember" name="InteroperabilityFundsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_ClearingParticipantDepositsCashContributions" name="ClearingParticipantDepositsCashContributions" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_ClearingParticipantDepositsNonCashContributions" name="ClearingParticipantDepositsNonCashContributions" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_ClearingParticipantDepositsTotalContributions" name="ClearingParticipantDepositsTotalContributions" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_NumberOfEuropeanMarketsInWhichEquityIsCleared" name="NumberOfEuropeanMarketsInWhichEquityIsCleared" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_NumberOfCentralCounterpartiesWithWhomInteroperableArrangementsAreMade" name="NumberOfCentralCounterpartiesWithWhomInteroperableArrangementsAreMade" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_OtherEquityInvestmentsMember" name="OtherEquityInvestmentsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_RevenueRecognizedFromCurrentPeriodIncreaseInContractLiability" name="RevenueRecognizedFromCurrentPeriodIncreaseInContractLiability" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_ReconciliationOfCashCashEquivalentsAndRestrictedCashAndCashEquivalents" name="ReconciliationOfCashCashEquivalentsAndRestrictedCashAndCashEquivalents" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_DefaultAndLiquidWaterfallsOwnClearingPercentRegulatoryCapital" name="DefaultAndLiquidWaterfallsOwnClearingPercentRegulatoryCapital" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_AmortizationOfFinancingCostsAndDiscountsAndCreditFacilityFees" name="AmortizationOfFinancingCostsAndDiscountsAndCreditFacilityFees" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_BidsHoldingsMember" name="BidsHoldingsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_HanweckAssociatesLlcAndFtProvidersLlcTradeAlertLlcAndMatchnowMember" name="HanweckAssociatesLlcAndFtProvidersLlcTradeAlertLlcAndMatchnowMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_BidsTradingMember" name="BidsTradingMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_SeniorNotesDue2030Member" name="SeniorNotesDue2030Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_NoncashOrPartNoncashAcquisitionOtherCurrentAssetsAcquired" name="NoncashOrPartNoncashAcquisitionOtherCurrentAssetsAcquired" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_ScheduleOfFairValueOfDebtTableTextBlock" name="ScheduleOfFairValueOfDebtTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_NumberOfCapitalAdequacyTestsRequiredToBeMet" name="NumberOfCapitalAdequacyTestsRequiredToBeMet" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityForeignCurrencyTranslationGainLoss" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityForeignCurrencyTranslationGainLoss" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_CboeAndBidsTradingMember" name="CboeAndBidsTradingMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_ContractWithCustomerAssetsAndLiabiliesTableTextBlock" name="ContractWithCustomerAssetsAndLiabiliesTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_CboeCanadianRetirementPlanMember" name="CboeCanadianRetirementPlanMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_PaymentForIssuanceOfStockUnderEmployeeStockPurchasePlan" name="PaymentForIssuanceOfStockUnderEmployeeStockPurchasePlan" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_BusinessCombinationContingentConsiderationLiabilityRelatedToAcquisitions" name="BusinessCombinationContingentConsiderationLiabilityRelatedToAcquisitions" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_ChicagoHeadquartersLocationMember" name="ChicagoHeadquartersLocationMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_AmendedTermLoanAgreementMember" name="AmendedTermLoanAgreementMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_DebtInstrumentApplicableMarginOnLoans" name="DebtInstrumentApplicableMarginOnLoans" nillable="true" type="xbrli:pureItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_DebtInstrumentMaximumIndebtednessSubsidiariesMayIncur" name="DebtInstrumentMaximumIndebtednessSubsidiariesMayIncur" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="cboe_DebtInstrumentConsolidatedEbitda" name="DebtInstrumentConsolidatedEbitda" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
</xsd:schema>
