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  <xsd:element id="ndaq_DefaultFundsAndMarginDepositsAssets" name="DefaultFundsAndMarginDepositsAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="ndaq_DefaultFundsAndMarginDepositsLiabilities" name="DefaultFundsAndMarginDepositsLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="ndaq_DefaultfundcontributioncapitalresourcesavailableMember" name="DefaultfundcontributioncapitalresourcesavailableMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_DefaultfundcontributionmemberpostedsurplusbalanceMember" name="DefaultfundcontributionmemberpostedsurplusbalanceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_DeferredTaxAssetsFederalBenefitOfUncertainTaxPositions" name="DeferredTaxAssetsFederalBenefitOfUncertainTaxPositions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="ndaq_DefinedBenefitPlanExpectedFutureBenefitPayments" name="DefinedBenefitPlanExpectedFutureBenefitPayments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="ndaq_DefinedContributionPlanFundedPercentage" name="DefinedContributionPlanFundedPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_DenominatorAbstract" name="DenominatorAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_DerivativeContractsMarketValue" name="DerivativeContractsMarketValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="ndaq_DisposalGroupWorkingCapitalAdjustment" name="DisposalGroupWorkingCapitalAdjustment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="ndaq_DisposalGroupWorkingCapitalAdjustmentNetofTax" name="DisposalGroupWorkingCapitalAdjustmentNetofTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="ndaq_DividendDeclarationDateFourthQuarterMember" name="DividendDeclarationDateFourthQuarterMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_DocumentAndEntityInformationAbstract" name="DocumentAndEntityInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_EVestmentMember" name="EVestmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_EffectiveIncomeTaxRateReconciliationChangeInUnrecognizedTaxBenefitsPercent" name="EffectiveIncomeTaxRateReconciliationChangeInUnrecognizedTaxBenefitsPercent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_EquityMethodInvestmentAdditionalOwnershipPercentage" name="EquityMethodInvestmentAdditionalOwnershipPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="ndaq_EquitySecuritiesFVNIRealizedGainLossAfterTax" name="EquitySecuritiesFVNIRealizedGainLossAfterTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="ndaq_EquitySecuritieswithoutReadilyDeterminableFairValueOwnershipPercentage" name="EquitySecuritieswithoutReadilyDeterminableFairValueOwnershipPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_EscrowAgreementMember" name="EscrowAgreementMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_EspeedMember" name="EspeedMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_EstimatedDeferredRevenueTableTextBlock" name="EstimatedDeferredRevenueTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_ExchangeAndClearingRegistrationsMember" name="ExchangeAndClearingRegistrationsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_ExercisePriceRangeOneMember" name="ExercisePriceRangeOneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_ExercisePriceRangeTwoMember" name="ExercisePriceRangeTwoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_ExpenseRelatedToClearingDefault" name="ExpenseRelatedToClearingDefault" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="ndaq_Financialguaranteesobtainedtoprovidefurtherliquidityanddefaultprotectionrelatedtoclearingbusinesses" name="Financialguaranteesobtainedtoprovidefurtherliquidityanddefaultprotectionrelatedtoclearingbusinesses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="ndaq_FiniteLivedAndIndefiniteLivedIntangibleAssetsLineItems" name="FiniteLivedAndIndefiniteLivedIntangibleAssetsLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_FiniteLivedIntangibleAssetsNetExcludingForeignCurrencyTranslationAdjustment" name="FiniteLivedIntangibleAssetsNetExcludingForeignCurrencyTranslationAdjustment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="ndaq_FiscalYearEndedAbstract" name="FiscalYearEndedAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_FivePointFiveFivePercentSeniorUnsecuredNotesDueJanuaryFifteenTwoThousandTwentyMember" name="FivePointFiveFivePercentSeniorUnsecuredNotesDueJanuaryFifteenTwoThousandTwentyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_FixedIncomeOptionsAndFuturesMember" name="FixedIncomeOptionsAndFuturesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_ForeignCurrencyTranslationAdjustmentMember" name="ForeignCurrencyTranslationAdjustmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_FourHundredMillionTermLoanFacilityMember" name="FourHundredMillionTermLoanFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_FourPointTwoFivePercentSeniorUnsecuredNotesDueJune12024Member" name="FourPointTwoFivePercentSeniorUnsecuredNotesDueJune12024Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_FurnitureAndEquipmentMember" name="FurnitureAndEquipmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_FurnitureEquipmentAndLeaseholdImprovementsMember" name="FurnitureEquipmentAndLeaseholdImprovementsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_GainLossDueToCommoditiesMarketDefault" name="GainLossDueToCommoditiesMarketDefault" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="ndaq_GainLossOnDispositionOfBusinessNetOfTax" name="GainLossOnDispositionOfBusinessNetOfTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="ndaq_GlobalInformationMember" name="GlobalInformationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_GrossLeaseCommitmentsMember" name="GrossLeaseCommitmentsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_HighlyRatedGovernmentDebtSecurities" name="HighlyRatedGovernmentDebtSecurities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_ICBCMember" name="ICBCMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_ISEMember" name="ISEMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_IncomeTaxDisclosureLineItems" name="IncomeTaxDisclosureLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_IncomeTaxDisclosureTable" name="IncomeTaxDisclosureTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_IncomeTaxExaminationLiabilityRefundAdjustmentFromSettlementWithTaxingAuthorityPerDilutedShare" name="IncomeTaxExaminationLiabilityRefundAdjustmentFromSettlementWithTaxingAuthorityPerDilutedShare" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element id="ndaq_IncreaseDecreaseInAssets" name="IncreaseDecreaseInAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="ndaq_IncreaseDecreaseToCommoditiesMarketToJuniorCapital" name="IncreaseDecreaseToCommoditiesMarketToJuniorCapital" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="ndaq_IndefiniteLivedIntangibleAssetsNet" name="IndefiniteLivedIntangibleAssetsNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="ndaq_IndexLicensingandServicesMember" name="IndexLicensingandServicesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_IndexOptionsAndFuturesMember" name="IndexOptionsAndFuturesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_InformationServicesMember" name="InformationServicesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_InformationServicesRevenueMember" name="InformationServicesRevenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_InitialListingFeesMember" name="InitialListingFeesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_InvestmentDataandAnalyticsMember" name="InvestmentDataandAnalyticsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_InvestmentsDebtAndEquitySecuritiesTable" name="InvestmentsDebtAndEquitySecuritiesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_InvestmentsDebtAndSecuritiesLineItems" name="InvestmentsDebtAndSecuritiesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_JuniorCapitalCashDepositsAndPledgedAssets" name="JuniorCapitalCashDepositsAndPledgedAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="ndaq_LchMember" name="LchMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_LiabilityDueToMarketDefault" name="LiabilityDueToMarketDefault" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="ndaq_LiabilityWaterfallMember" name="LiabilityWaterfallMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_LineOfCreditFacilityOptionalIncreaseInMaximumBorrowingCapacity" name="LineOfCreditFacilityOptionalIncreaseInMaximumBorrowingCapacity" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="ndaq_LineOfCreditFacilityUsedForLiquiditySupport" name="LineOfCreditFacilityUsedForLiquiditySupport" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="ndaq_ListingOfAdditionalSharesFeesMember" name="ListingOfAdditionalSharesFeesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_ListingServicesMember" name="ListingServicesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_LossDueToCommoditiesMarketDefaultAllocatedToJuniorCapital" name="LossDueToCommoditiesMarketDefaultAllocatedToJuniorCapital" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="ndaq_MarginDeposits" name="MarginDeposits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="ndaq_MarketDataProductsMember" name="MarketDataProductsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_MarketServicesMember" name="MarketServicesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_MarketTechnologyMember" name="MarketTechnologyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_MarketTechnologyRevenuesMember" name="MarketTechnologyRevenuesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_MarketTechnologyServicesMember" name="MarketTechnologyServicesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_MarketwiredMember" name="MarketwiredMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_MaximumPercentageOfSharesPurchasedFromAnnualCompensation" name="MaximumPercentageOfSharesPurchasedFromAnnualCompensation" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_NasdaqClearingOperationsMember" name="NasdaqClearingOperationsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_NetLeaseCommitmentsMember" name="NetLeaseCommitmentsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_NordicClearingMembersCashContributionsMember" name="NordicClearingMembersCashContributionsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_NordicClearingMembersNonCashContributionsMember" name="NordicClearingMembersNonCashContributionsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_NumberOfExchangeTradedProductsLicensed" name="NumberOfExchangeTradedProductsLicensed" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_NumberOfExchangeTradedProductsandOtherListingsCompanies" name="NumberOfExchangeTradedProductsandOtherListingsCompanies" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="ndaq_NumberOfFundsAndOtherInvestmentVehicles" name="NumberOfFundsAndOtherInvestmentVehicles" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_NumberOfMemberSponsoredDefaultFunds" name="NumberOfMemberSponsoredDefaultFunds" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_NumberOfNationalExchangesNamedAsDefendants" name="NumberOfNationalExchangesNamedAsDefendants" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_NumberOfPeerGroups" name="NumberOfPeerGroups" nillable="true" substitutionGroup="xbrli:item" type="xbrli:positiveIntegerItemType" xbrli:periodType="instant" />
  <xsd:element id="ndaq_NumberOfTypesOfLicenseAgreements" name="NumberOfTypesOfLicenseAgreements" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_NumberofDerivativeExchangesListingCommoditiesOfferings" name="NumberofDerivativeExchangesListingCommoditiesOfferings" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_NumberofPerformanceBasedPrograms" name="NumberofPerformanceBasedPrograms" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_NumeratorAbstract" name="NumeratorAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_OneBillionFiveYearRevolvingCreditFacilityMember" name="OneBillionFiveYearRevolvingCreditFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_OnePointSevenFiveSeniorUnsecuredNotesDueMay192023Member" name="OnePointSevenFiveSeniorUnsecuredNotesDueMay192023Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_OneYearPerformanceShareUnitProgramMember" name="OneYearPerformanceShareUnitProgramMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_OptionsClearingCorporationMember" name="OptionsClearingCorporationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_OptionsClearingCorporationOCCMember" name="OptionsClearingCorporationOCCMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_OptionsMarketsMember" name="OptionsMarketsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_OrderMachineMember" name="OrderMachineMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_OrganizationAndBasisOfPresentationLineItems" name="OrganizationAndBasisOfPresentationLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_OrganizationAndBasisOfPresentationTable" name="OrganizationAndBasisOfPresentationTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_OtherComprehensiveIncomeAccumulatedDefinedBenefitPlansTax" name="OtherComprehensiveIncomeAccumulatedDefinedBenefitPlansTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="ndaq_OtherFinancialLiabilitiesFairValueDisclosure" name="OtherFinancialLiabilitiesFairValueDisclosure" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="ndaq_OtherRepurchasesOfCommonStockMember" name="OtherRepurchasesOfCommonStockMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_PaymentsAccretionsAndOtherOfLongTermAndShortTermDebt" name="PaymentsAccretionsAndOtherOfLongTermAndShortTermDebt" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="ndaq_PaymentsAccretionsAndOtherofLongtermDebt" name="PaymentsAccretionsAndOtherofLongtermDebt" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="ndaq_PaymentsForTaxSettlements" name="PaymentsForTaxSettlements" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="ndaq_PaymentsRelatedToEmployeeSharesWithheldForTaxes" name="PaymentsRelatedToEmployeeSharesWithheldForTaxes" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="ndaq_PercentageOfDiscountToEmployeesOnPurchaseOfCommonStockUnderEmployeeStockPurchasePlan" name="PercentageOfDiscountToEmployeesOnPurchaseOfCommonStockUnderEmployeeStockPurchasePlan" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_PercentageOfFairMarketValueOfCommonStock" name="PercentageOfFairMarketValueOfCommonStock" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_PercentageOfTargetAmountGrantedMaximum" name="PercentageOfTargetAmountGrantedMaximum" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_PercentageOfTargetAmountGrantedMinimum" name="PercentageOfTargetAmountGrantedMinimum" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_PerformanceBasedLongTermIncentiveProgramWeightedPercentage" name="PerformanceBasedLongTermIncentiveProgramWeightedPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_PerformanceSharesNegativeShareholderReturnMember" name="PerformanceSharesNegativeShareholderReturnMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_ProceedsfromDisbursementsofCustomerFunds" name="ProceedsfromDisbursementsofCustomerFunds" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_PublicRelationsSolutionsandDigitalMediaServicesMember" name="PublicRelationsSolutionsandDigitalMediaServicesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_RateOfDiscountGivenToEmployees" name="RateOfDiscountGivenToEmployees" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_RebrandingOfTradeNameMember" name="RebrandingOfTradeNameMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_RecurringTaxExpenseBenefits" name="RecurringTaxExpenseBenefits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="ndaq_RegulatoryOperatingExpense" name="RegulatoryOperatingExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="ndaq_RevenueFromContractWithCustomerPercentage" name="RevenueFromContractWithCustomerPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_ReversePurchaseAgreementsMaturityDateRange" name="ReversePurchaseAgreementsMaturityDateRange" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_ScheduleOfDefaultFundContributionsTableTableTextBlock" name="ScheduleOfDefaultFundContributionsTableTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsTable" name="ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_ScheduleOfShareBasedCompensationExpenseResultingFromEquityAwardsTableTextBlock" name="ScheduleOfShareBasedCompensationExpenseResultingFromEquityAwardsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_ScheduleofCorporateItemsandEliminationTableTextBlock" name="ScheduleofCorporateItemsandEliminationTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_ScheduleofDebtLineItems" name="ScheduleofDebtLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_ScheduleofDebtTable" name="ScheduleofDebtTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_ScheduleofDerivativeContractsClearedTableTextBlock" name="ScheduleofDerivativeContractsClearedTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_ScheduleofInvestmentsTableTextBlock" name="ScheduleofInvestmentsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_ScheduleofWeightedAverageAssumptionsUsedtoDeterminetheWeightedAverageFairValuesTableTextBlock" name="ScheduleofWeightedAverageAssumptionsUsedtoDeterminetheWeightedAverageFairValuesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_SectionThirtyOneFeesPayable" name="SectionThirtyOneFeesPayable" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="ndaq_SeniorCapitalCashDepositsAndPledgedAssets" name="SeniorCapitalCashDepositsAndPledgedAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="ndaq_SeniorNotesExcluding2020NotesMember" name="SeniorNotesExcluding2020NotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_SeniorUnsecuredFloatingRateNotesDueMarch2019Member" name="SeniorUnsecuredFloatingRateNotesDueMarch2019Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_ServicesProvidedOverNumberOfCountries" name="ServicesProvidedOverNumberOfCountries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:positiveIntegerItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_ServicesProvidedOverNumberOfMarketPlaces" name="ServicesProvidedOverNumberOfMarketPlaces" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfSharesEarnedMaximum" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfSharesEarnedMaximum" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfSharesEarnedMinimum" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfSharesEarnedMinimum" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_ShareRepurchaseProgramAdditionalAmountAuthorized" name="ShareRepurchaseProgramAdditionalAmountAuthorized" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="ndaq_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAdditionalGrantsinPeriod" name="SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAdditionalGrantsinPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_SharebasedCompensationArrangementbySharebasedPaymentAwardPerformancePeriod" name="SharebasedCompensationArrangementbySharebasedPaymentAwardPerformancePeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_StockOptionsAndFuturesMember" name="StockOptionsAndFuturesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_StockholdersEquityLineItems" name="StockholdersEquityLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_StockholdersEquityNumberOfVotes" name="StockholdersEquityNumberOfVotes" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="ndaq_StockholdersEquityTable" name="StockholdersEquityTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_SubleaseIncomeMember" name="SubleaseIncomeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_SupplementalCashFlowInformationCashPaid" name="SupplementalCashFlowInformationCashPaid" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_TaxCutsAndJobsActOf2017ReclassificationFromAOCIToRetainedEarnings" name="TaxCutsAndJobsActOf2017ReclassificationFromAOCIToRetainedEarnings" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="ndaq_TaxCutsandJobsActof2017IncompleteAccountingProvisionalIncomeTaxExpenseBenefit" name="TaxCutsandJobsActof2017IncompleteAccountingProvisionalIncomeTaxExpenseBenefit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="ndaq_TaxCutsandJobsActof2017MeasurementPeriodAdjustmentIncomeTaxExpenseBenefit" name="TaxCutsandJobsActof2017MeasurementPeriodAdjustmentIncomeTaxExpenseBenefit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="ndaq_TaxCutsandJobsActof2017ReclassificationfromAOCItoRetainedEarningsTaxEffect" name="TaxCutsandJobsActof2017ReclassificationfromAOCItoRetainedEarningsTaxEffect" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_ThreePointEightFiveSeniorSecuredNotesDueJune302026Member" name="ThreePointEightFiveSeniorSecuredNotesDueJune302026Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_ThreePointEightSevenFivePercentSeniorUnsecuredNotesDueJune72021Member" name="ThreePointEightSevenFivePercentSeniorUnsecuredNotesDueJune72021Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_ThreeYearPerformanceShareUnitProgramMember" name="ThreeYearPerformanceShareUnitProgramMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_TotalNumberOfDerivativeContractsCleared" name="TotalNumberOfDerivativeContractsCleared" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_TotalNumberOfListedCompaniesWithinNordicAndBalticExchanges" name="TotalNumberOfListedCompaniesWithinNordicAndBalticExchanges" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="ndaq_TotalNumberOfUSListedCompanies" name="TotalNumberOfUSListedCompanies" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="ndaq_TotalVolumeInClearedPower" name="TotalVolumeInClearedPower" nillable="true" substitutionGroup="xbrli:item" type="num:energyItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_TradeManagementServicesMember" name="TradeManagementServicesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_TransactionRebate" name="TransactionRebate" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="ndaq_TransactionbasedTradingandClearingNetMember" name="TransactionbasedTradingandClearingNetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="ndaq_WarrantsIssuedCommonStockExercisePricePerShare" name="WarrantsIssuedCommonStockExercisePricePerShare" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
</xsd:schema>





