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  <xs:element id="ndaq_ContractWithCustomerLiabilityRevenueTranslationAdjustment" abstract="false" name="ContractWithCustomerLiabilityRevenueTranslationAdjustment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_FiscalYearEndedAbstract" abstract="true" name="FiscalYearEndedAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ndaq_ContractWithCustomerLiabilityExpectedToBeRecognizedInYearOne" abstract="false" name="ContractWithCustomerLiabilityExpectedToBeRecognizedInYearOne" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_ContractWithCustomerLiabilityExpectedToBeRecognizedInYearTwo" abstract="false" name="ContractWithCustomerLiabilityExpectedToBeRecognizedInYearTwo" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_ContractWithCustomerLiabilityExpectedToBeRecognizedInYearThree" abstract="false" name="ContractWithCustomerLiabilityExpectedToBeRecognizedInYearThree" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_ContractWithCustomerLiabilityExpectedToBeRecognizedInYearFour" abstract="false" name="ContractWithCustomerLiabilityExpectedToBeRecognizedInYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_ContractWithCustomerLiabilityExpectedToBeRecognizedInYearFive" abstract="false" name="ContractWithCustomerLiabilityExpectedToBeRecognizedInYearFive" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_ContractWithCustomerLiabilityExpectedToBeRecognizedAfterYearFive" abstract="false" name="ContractWithCustomerLiabilityExpectedToBeRecognizedAfterYearFive" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_ScheduleofDebtTable" abstract="true" name="ScheduleofDebtTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="ndaq_FivePointSixFiveSeniorUnsecuredNotesDue2025Member" abstract="true" name="FivePointSixFiveSeniorUnsecuredNotesDue2025Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_ThreePointEightFiveSeniorSecuredNotesDueJune302026Member" abstract="true" name="ThreePointEightFiveSeniorSecuredNotesDueJune302026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_FivePointThreeFiveSeniorUnsecuredNotesDue2028Member" abstract="true" name="FivePointThreeFiveSeniorUnsecuredNotesDue2028Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_OnePointSevenFiveSeniorUnsecuredNotesDue2029Member" abstract="true" name="OnePointSevenFiveSeniorUnsecuredNotesDue2029Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_A0875SeniorUnsecuredNotesDueFebruary132030Member" abstract="true" name="A0875SeniorUnsecuredNotesDueFebruary132030Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_OnePointSixFiveZeroSeniorUnsecuredNotesDue2031Member" abstract="true" name="OnePointSixFiveZeroSeniorUnsecuredNotesDue2031Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_FourPointFiveSeniorUnsecuredNotesDue2032Member" abstract="true" name="FourPointFiveSeniorUnsecuredNotesDue2032Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_FivePointFiveFiveSeniorUnsecuredNotesDue2034Member" abstract="true" name="FivePointFiveFiveSeniorUnsecuredNotesDue2034Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_TwoPointFiveZeroZeroSeniorUnsecuredNotesDue2040Member" abstract="true" name="TwoPointFiveZeroZeroSeniorUnsecuredNotesDue2040Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_ThreePointTwoFiveSeniorUnsecuredNotesDue2050Member" abstract="true" name="ThreePointTwoFiveSeniorUnsecuredNotesDue2050Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_ThreePointNineFiveZeroSeniorUnsecuredNotesDue2052Member" abstract="true" name="ThreePointNineFiveZeroSeniorUnsecuredNotesDue2052Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_FivePointNineFiveSeniorUnsecuredNotesDue2053Member" abstract="true" name="FivePointNineFiveSeniorUnsecuredNotesDue2053Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_SixPointOneSeniorUnsecuredNotesDue2063Member" abstract="true" name="SixPointOneSeniorUnsecuredNotesDue2063Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_OnePointTwoFiveBillionFiveYearRevolvingCreditFacilityMember" abstract="true" name="OnePointTwoFiveBillionFiveYearRevolvingCreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_ScheduleOfDebtLineItems" abstract="true" name="ScheduleOfDebtLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ndaq_ChangesInShortTermDebtObligationsAbstract" abstract="true" name="ChangesInShortTermDebtObligationsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ndaq_PaymentsAccretionsAndOtherOfShortTermDebt" abstract="false" name="PaymentsAccretionsAndOtherOfShortTermDebt" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_ChangesInLongTermDebtObligationsAbstract" abstract="true" name="ChangesInLongTermDebtObligationsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ndaq_PaymentsAccretionsAndOtherOfLongTermDebt" abstract="false" name="PaymentsAccretionsAndOtherOfLongTermDebt" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_ChangesInDebtObligationsAbstract" abstract="true" name="ChangesInDebtObligationsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ndaq_PaymentsAccretionsAndOtherOfLongTermAndShortTermDebt" abstract="false" name="PaymentsAccretionsAndOtherOfLongTermAndShortTermDebt" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_A2026NotesMember" abstract="true" name="A2026NotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_A2028NotesMember" abstract="true" name="A2028NotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_A2034NotesMember" abstract="true" name="A2034NotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_USSeniorUnsecuredNotesMember" abstract="true" name="USSeniorUnsecuredNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_AggregatePrincipalAmountPurchasedPlusAccruedAndUnpaidInterest" abstract="false" name="AggregatePrincipalAmountPurchasedPlusAccruedAndUnpaidInterest" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ndaq_DebtInstrumentIncreaseDecreaseDueToForeignExchange" abstract="false" name="DebtInstrumentIncreaseDecreaseDueToForeignExchange" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_LineOfCreditFacilityOptionalIncreaseInMaximumBorrowingCapacity" abstract="false" name="LineOfCreditFacilityOptionalIncreaseInMaximumBorrowingCapacity" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_ClearinghouseCreditFacilitiesMember" abstract="true" name="ClearinghouseCreditFacilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_DefinedBenefitPlanPreTaxLossDueToSettlement" abstract="false" name="DefinedBenefitPlanPreTaxLossDueToSettlement" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_BelowManagerLevelMember" abstract="true" name="BelowManagerLevelMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_AtOrAboveManagerLevelMember" abstract="true" name="AtOrAboveManagerLevelMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_ThreeYearPerformanceShareUnitProgramMember" abstract="true" name="ThreeYearPerformanceShareUnitProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_TwoYearPSUMember" abstract="true" name="TwoYearPSUMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_NumberOfPeerGroups" abstract="false" name="NumberOfPeerGroups" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ndaq_PerformanceBasedLongTermIncentiveProgramWeightedPercentage" abstract="false" name="PerformanceBasedLongTermIncentiveProgramWeightedPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ndaq_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfSharesEarned1" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfSharesEarned1" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ndaq_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfSharesEarned2" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfSharesEarned2" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ndaq_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAdditionalGrantsinPeriod" abstract="false" name="SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAdditionalGrantsinPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="ndaq_MaximumPercentageOfSharesPurchasedFromAnnualCompensation" abstract="false" name="MaximumPercentageOfSharesPurchasedFromAnnualCompensation" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ndaq_RateOfDiscountGivenToEmployees" abstract="false" name="RateOfDiscountGivenToEmployees" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ndaq_StockholdersEquityTable" abstract="true" name="StockholdersEquityTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="ndaq_OtherRepurchasesOfCommonStockMember" abstract="true" name="OtherRepurchasesOfCommonStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_OctoberAcceleratedShareRepurchaseAgreementProgramMember" abstract="true" name="OctoberAcceleratedShareRepurchaseAgreementProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_NovemberAcceleratedShareRepurchaseAgreementProgramMember" abstract="true" name="NovemberAcceleratedShareRepurchaseAgreementProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_Jan2026AcceleratedShareRepurchaseAgreementProgramMember" abstract="true" name="Jan2026AcceleratedShareRepurchaseAgreementProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_StockholdersEquityLineItems" abstract="true" name="StockholdersEquityLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ndaq_StockholdersEquityNumberOfVotes" abstract="false" name="StockholdersEquityNumberOfVotes" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ndaq_CommonStockHolderVotingRights" abstract="false" name="CommonStockHolderVotingRights" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ndaq_RefundForInitialPaymentOfRepurchaseOfCommonStock" abstract="false" name="RefundForInitialPaymentOfRepurchaseOfCommonStock" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_NumeratorAbstract" abstract="true" name="NumeratorAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ndaq_DenominatorAbstract" abstract="true" name="DenominatorAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ndaq_EuropeanGovernmentDebtSecuritiesMember" abstract="true" name="EuropeanGovernmentDebtSecuritiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_SwedishMortgageBondsMember" abstract="true" name="SwedishMortgageBondsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_ClearingOperationsTable" abstract="true" name="ClearingOperationsTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="ndaq_NordicClearingMembersCashContributionsMember" abstract="true" name="NordicClearingMembersCashContributionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_NordicClearingMembersNonCashContributionsMember" abstract="true" name="NordicClearingMembersNonCashContributionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_ClearingOperationsLineItems" abstract="true" name="ClearingOperationsLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ndaq_DefaultFundContributions" abstract="false" name="DefaultFundContributions" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_MarginDeposits" abstract="false" name="MarginDeposits" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_DefaultFundContributionsAndMarginDeposits" abstract="false" name="DefaultFundContributionsAndMarginDeposits" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_NasdaqClearingOperationsMember" abstract="true" name="NasdaqClearingOperationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_DefaultfundcontributioncapitalresourcesavailableMember" abstract="true" name="DefaultfundcontributioncapitalresourcesavailableMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_DefaultfundcontributionmemberpostedsurplusbalanceMember" abstract="true" name="DefaultfundcontributionmemberpostedsurplusbalanceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_RestrictedCashAndCashEquivalentsMember" abstract="true" name="RestrictedCashAndCashEquivalentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_LiabilityWaterfallMember" abstract="true" name="LiabilityWaterfallMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_ReversePurchaseAgreementsMaturityDateRange" abstract="false" name="ReversePurchaseAgreementsMaturityDateRange" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="ndaq_PaymentForDefaultFundsAndMarginDeposits" abstract="false" name="PaymentForDefaultFundsAndMarginDeposits" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_ProceedsFromDefaultFundsAndMarginDeposits" abstract="false" name="ProceedsFromDefaultFundsAndMarginDeposits" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_LiabilityDueToMarketDefault" abstract="false" name="LiabilityDueToMarketDefault" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_ContributionToFinancialMarkets" abstract="false" name="ContributionToFinancialMarkets" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ndaq_JuniorCapitalCashDepositsAndPledgedAssets" abstract="false" name="JuniorCapitalCashDepositsAndPledgedAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_SeniorCapitalCashDepositsAndPledgedAssets" abstract="false" name="SeniorCapitalCashDepositsAndPledgedAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_CommittedCapital" abstract="false" name="CommittedCapital" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_ContractValueOfResaleAndRepurchaseAgreements" abstract="false" name="ContractValueOfResaleAndRepurchaseAgreements" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_TotalNumberOfDerivativeContractsCleared" abstract="false" name="TotalNumberOfDerivativeContractsCleared" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ndaq_CentralBankCertificatesMember" abstract="true" name="CentralBankCertificatesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_MultilateralDevelopmentBanksMember" abstract="true" name="MultilateralDevelopmentBanksMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_CommodityForwardsAndOptionsMember" abstract="true" name="CommodityForwardsAndOptionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_FixedIncomeOptionsAndFuturesMember" abstract="true" name="FixedIncomeOptionsAndFuturesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_StockOptionsAndFuturesMember" abstract="true" name="StockOptionsAndFuturesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_IndexOptionsAndFuturesMember" abstract="true" name="IndexOptionsAndFuturesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_DerivativeContractsMarketValue" abstract="false" name="DerivativeContractsMarketValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_TotalVolumeInClearedPower" abstract="false" name="TotalVolumeInClearedPower" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:energyItemType"/>
  <xs:element id="ndaq_EffectiveIncomeTaxRateReconciliationIntraGroupTransferOfIPPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationIntraGroupTransferOfIPPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="ndaq_DeferredTaxAssetsCapitalizedResearchAndDevelopmentCosts" abstract="false" name="DeferredTaxAssetsCapitalizedResearchAndDevelopmentCosts" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_DeferredTaxAssetsInterestExpense" abstract="false" name="DeferredTaxAssetsInterestExpense" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_DeferredTaxAssetsFederalBenefitOfUncertainTaxPositions" abstract="false" name="DeferredTaxAssetsFederalBenefitOfUncertainTaxPositions" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_DeferredTaxAssetsOperatingLeaseLiabilities" abstract="false" name="DeferredTaxAssetsOperatingLeaseLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_DeferredTaxLiabilitiesDepreciation" abstract="false" name="DeferredTaxLiabilitiesDepreciation" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_DeferredTaxLiabilitiesOperatingLeaseAssets" abstract="false" name="DeferredTaxLiabilitiesOperatingLeaseAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_DeferredTaxLiabilitiesCapitalizedResearchAndDevelopmentCosts" abstract="false" name="DeferredTaxLiabilitiesCapitalizedResearchAndDevelopmentCosts" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_CommitmentsAndContingenciesDisclosureTable" abstract="true" name="CommitmentsAndContingenciesDisclosureTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="ndaq_CommercialPaperAndLetterOfCreditMember" abstract="true" name="CommercialPaperAndLetterOfCreditMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_CommitmentsAndContingenciesDisclosureLineItems" abstract="true" name="CommitmentsAndContingenciesDisclosureLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ndaq_FinancialGuaranteesObtainedToProvideFurtherLiquidityAndDefaultProtectionRelatedToClearingBusinesses" abstract="false" name="FinancialGuaranteesObtainedToProvideFurtherLiquidityAndDefaultProtectionRelatedToClearingBusinesses" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_CreditFacilityAvailableLiquidity" abstract="false" name="CreditFacilityAvailableLiquidity" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_FinancialTechnologyIncludingPPAMember" abstract="true" name="FinancialTechnologyIncludingPPAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_RevenueFromDivestedBusinesses" abstract="false" name="RevenueFromDivestedBusinesses" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_LegalAndRegulatoryMatters" abstract="false" name="LegalAndRegulatoryMatters" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_AdenzaRestructuringPlanMember" abstract="true" name="AdenzaRestructuringPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_RestructuringBenefitsAchievedExpectedNetExpenseSynergies" abstract="false" name="RestructuringBenefitsAchievedExpectedNetExpenseSynergies" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ndaq_AssetImpairmentMember" abstract="true" name="AssetImpairmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_ConsultingServicesMember" abstract="true" name="ConsultingServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ndaq_DivisionalRealignmentMember" abstract="true" name="DivisionalRealignmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
