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  <xsd:element abstract="true" id="rdn_DEIInformationAbstract" name="DEIInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_DefaultToClaimEstimateGrossForForeclosureStageDefaults" name="DefaultToClaimEstimateGrossForForeclosureStageDefaults" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="rdn_DefaultToClaimRateEstimateGrossForNewDefaults" name="DefaultToClaimRateEstimateGrossForNewDefaults" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="rdn_DefaultToClaimRateEstimateGrossForPreForeclosureStageDefaults" name="DefaultToClaimRateEstimateGrossForPreForeclosureStageDefaults" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="rdn_DefaulttoClaimRateDefaultsNotinForeclosureStageAgeAxis" name="DefaulttoClaimRateDefaultsNotinForeclosureStageAgeAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_DefaulttoClaimRateDefaultsNotinForeclosureStageAgeDomain" name="DefaulttoClaimRateDefaultsNotinForeclosureStageAgeDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_DeferredTaxAssetPartnershipInvestments" name="DeferredTaxAssetPartnershipInvestments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="rdn_DeferredTaxAssetRescissionPremium" name="DeferredTaxAssetRescissionPremium" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="rdn_DeferredTaxAssetResidualInterestInLimitedPurposeVehicle" name="DeferredTaxAssetResidualInterestInLimitedPurposeVehicle" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="rdn_DeferredTaxAssetsDeferredPolicyAcquisitionandCedingCommissionCosts" name="DeferredTaxAssetsDeferredPolicyAcquisitionandCedingCommissionCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="rdn_DeferredTaxAssetsLeaseLiability" name="DeferredTaxAssetsLeaseLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="rdn_DeferredTaxAssetsOperatingLossCarryforwardsStateandLocalNetofFederalBenefit" name="DeferredTaxAssetsOperatingLossCarryforwardsStateandLocalNetofFederalBenefit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="rdn_DeferredTaxAssetsShareBasedCompensation" name="DeferredTaxAssetsShareBasedCompensation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="rdn_DeferredTaxLiabilitiesContingencyReserve" name="DeferredTaxLiabilitiesContingencyReserve" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="rdn_DeferredTaxLiabilitiesConvertibleandOtherLongtermDebt" name="DeferredTaxLiabilitiesConvertibleandOtherLongtermDebt" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="rdn_DeferredTaxLiabilitiesEquityMethodInvestments" name="DeferredTaxLiabilitiesEquityMethodInvestments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="rdn_DefinedContributionPlanEmployeeDiscretionaryContributionMaximumAmount" name="DefinedContributionPlanEmployeeDiscretionaryContributionMaximumAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="rdn_DefinedContributionPlanEmployerMatchingContributionArrangementwithIndividualRequisiteServicePeriod" name="DefinedContributionPlanEmployerMatchingContributionArrangementwithIndividualRequisiteServicePeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_DepreciationExpenseMember" name="DepreciationExpenseMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_DifferencesBetweenGaapBasisAndStatBasisMember" name="DifferencesBetweenGaapBasisAndStatBasisMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_EagleRe20181PrimaryMember" name="EagleRe20181PrimaryMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_EagleRe20191PrimaryMember" name="EagleRe20191PrimaryMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_EagleRe20201PrimaryMember" name="EagleRe20201PrimaryMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_EagleRePrimaryMember" name="EagleRePrimaryMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_EarnedPremiumBenchmarkAmountMember" name="EarnedPremiumBenchmarkAmountMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_EffectiveIncomeTaxRateReconciliationRemeasurementofNetDTAAmount" name="EffectiveIncomeTaxRateReconciliationRemeasurementofNetDTAAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="rdn_EffectiveIncomeTaxrateReconciliationImpactofIRSSettlement" name="EffectiveIncomeTaxrateReconciliationImpactofIRSSettlement" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="rdn_EmployeeServiceSharebasedCompensationNonvestedAwardsAccelerationofCompensationExpense" name="EmployeeServiceSharebasedCompensationNonvestedAwardsAccelerationofCompensationExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="rdn_EmployeeStockPurchasePlan2008Member" name="EmployeeStockPurchasePlan2008Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_EmployeeStockPurchasePlanDiscountfromMarketPriceonDateofPurchase" name="EmployeeStockPurchasePlanDiscountfromMarketPriceonDateofPurchase" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_EmployeeStockPurchasePlanESPPNumberofSharesAvailableforIssuance" name="EmployeeStockPurchasePlanESPPNumberofSharesAvailableforIssuance" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="rdn_EmployeeStockPurchasePlanESPPSharesinESPP" name="EmployeeStockPurchasePlanESPPSharesinESPP" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="rdn_EntityWideRevenueMajorCustomerNumberOfCustomers" name="EntityWideRevenueMajorCustomerNumberOfCustomers" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="rdn_EquityCompensationPlansMember" name="EquityCompensationPlansMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_EquityImpactofTerminationofCappedCallTransaction" name="EquityImpactofTerminationofCappedCallTransaction" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="rdn_EquitySecuritiesChangeinUnrealizedHoldingGainLoss" name="EquitySecuritiesChangeinUnrealizedHoldingGainLoss" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="rdn_EquitySecuritiesRealizedGainLoss" name="EquitySecuritiesRealizedGainLoss" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_ExcessofLossLayerAxis" name="ExcessofLossLayerAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_ExcessofLossLayerDomain" name="ExcessofLossLayerDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_ExcessofLossProgramAxis" name="ExcessofLossProgramAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_ExcessofLossProgramDomain" name="ExcessofLossProgramDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_ExcessofLossProgramMember" name="ExcessofLossProgramMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_ExercisePriceRangeFourMember" name="ExercisePriceRangeFourMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_ExercisePriceRangeOneMember" name="ExercisePriceRangeOneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_ExercisePriceRangeThreeMember" name="ExercisePriceRangeThreeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_FederalHomeLoanBankRatioofMarketValueofCollateraltoAdvances" name="FederalHomeLoanBankRatioofMarketValueofCollateraltoAdvances" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_FederalIncomeTaxValuationAllowancesAbstract" name="FederalIncomeTaxValuationAllowancesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_FirstLienMortgageInsuranceProductsMember" name="FirstLienMortgageInsuranceProductsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_FirstLienPrimaryMortgageInsuranceRiskInForceCeded" name="FirstLienPrimaryMortgageInsuranceRiskInForceCeded" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="rdn_FundsHeldUnderReinsuranceAgreementsOffBalanceSheetAsset" name="FundsHeldUnderReinsuranceAgreementsOffBalanceSheetAsset" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="rdn_GoodwillAbstract" name="GoodwillAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_GrantsAwardedFromMay132009andForwardMember" name="GrantsAwardedFromMay132009andForwardMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_HurricanesHarveyandIrmaMember" name="HurricanesHarveyandIrmaMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_ImpairmentonIntercompanyInterestReceivableMember" name="ImpairmentonIntercompanyInterestReceivableMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_IncomeTaxExpenseBenefitRecordedasaResultofFinalizedIRSSettlement" name="IncomeTaxExpenseBenefitRecordedasaResultofFinalizedIRSSettlement" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="rdn_IncomeTaxesPayableFederalCurrent" name="IncomeTaxesPayableFederalCurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="rdn_IncreaseDecreaseinGoodwillandIntangibleAssets" name="IncreaseDecreaseinGoodwillandIntangibleAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="rdn_IncreaseDecreaseinGoodwillandIntangibleAssetsincludingRestructuring" name="IncreaseDecreaseinGoodwillandIntangibleAssetsincludingRestructuring" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="rdn_IncreaseinNetPremiumEarned" name="IncreaseinNetPremiumEarned" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="rdn_IncreaseinNetPremiumsEarnedPerShare" name="IncreaseinNetPremiumsEarnedPerShare" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_IncurredButNotReportedMember" name="IncurredButNotReportedMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_InitialMember" name="InitialMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_InsuranceCertificatesIssuedUnderMultipleInsurancePolicies" name="InsuranceCertificatesIssuedUnderMultipleInsurancePolicies" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="rdn_InsuranceCertificatesWhoseScopesWereNarrowedasaResultoftheConfidentialAgreement" name="InsuranceCertificatesWhoseScopesWereNarrowedasaResultoftheConfidentialAgreement" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="rdn_InsurancecoveragedecisionsMember" name="InsurancecoveragedecisionsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_InsurancepremiumrefundsMember" name="InsurancepremiumrefundsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_IntercompanyReceivableMember" name="IntercompanyReceivableMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_KeyEmployeeMember" name="KeyEmployeeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_LesseeOperatingLeaseImputedInterest" name="LesseeOperatingLeaseImputedInterest" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="rdn_LiabilityForClaimsAndClaimsAdjustmentExpenseActivityDomain" name="LiabilityForClaimsAndClaimsAdjustmentExpenseActivityDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseActivityInLiabilityAxis" name="LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseActivityInLiabilityAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_LitigationComplainantAxis" name="LitigationComplainantAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_LitigationComplainantDomain" name="LitigationComplainantDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_LossContingencyLegalActionsCommencementPeriod" name="LossContingencyLegalActionsCommencementPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_LossReservesAxis" name="LossReservesAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_LossReservesDomain" name="LossReservesDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_LossReservesandLAEbySegmentAbstract" name="LossReservesandLAEbySegmentAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_LossesAndLaeMortgageInsuranceAbstract" name="LossesAndLaeMortgageInsuranceAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_MaximumMaturityDurationForShortTermInvestmentGrouping" name="MaximumMaturityDurationForShortTermInvestmentGrouping" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_MortgageGuarantyInsuranceCompaniesAreRequiredEachYearToEstablishContingencyReserveEqualToThisPercentageOfPremiumsEarnedInSuchYear" name="MortgageGuarantyInsuranceCompaniesAreRequiredEachYearToEstablishContingencyReserveEqualToThisPercentageOfPremiumsEarnedInSuchYear" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_MortgageInsuranceSegmentMember" name="MortgageInsuranceSegmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_MortgageServicesMember" name="MortgageServicesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_MortgageandRealEstateServicesSegmentMember" name="MortgageandRealEstateServicesSegmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_NarrowedScopeMember" name="NarrowedScopeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_NationstarMember" name="NationstarMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_NetCashReceivedTransferredInSaleOfSubsidiaries" name="NetCashReceivedTransferredInSaleOfSubsidiaries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="rdn_NetGainsLossesonInvestmentsandOtherFinancialInstruments" name="NetGainsLossesonInvestmentsandOtherFinancialInstruments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="rdn_NetRiskInForce" name="NetRiskInForce" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="rdn_NewInsuranceWrittenMember" name="NewInsuranceWrittenMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_NonAssetBackedSecurityInvestmentsContractualMaturitiesMember" name="NonAssetBackedSecurityInvestmentsContractualMaturitiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_NonRBCStatesMember" name="NonRBCStatesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_NoncashDistributionsReceivedFromConsolidatedSubsidiaries" name="NoncashDistributionsReceivedFromConsolidatedSubsidiaries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_NonexecutiveOfficerMember" name="NonexecutiveOfficerMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_NumberOfGuaranteedStructuredTransactionsForRadianGuaranty" name="NumberOfGuaranteedStructuredTransactionsForRadianGuaranty" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="rdn_NumberOfInvestmentCategories" name="NumberOfInvestmentCategories" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="rdn_NumberOfMortgageInsuranceProductCategories" name="NumberOfMortgageInsuranceProductCategories" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_NumberOfPaymentsMissedForInsuredLoans" name="NumberOfPaymentsMissedForInsuredLoans" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="rdn_NumberOfStatesThatHaveStatutoryOrRegulatoryRiskBasedCapitalRequirement" name="NumberOfStatesThatHaveStatutoryOrRegulatoryRiskBasedCapitalRequirement" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="rdn_NumberofAnniversariesoftheGrantDate" name="NumberofAnniversariesoftheGrantDate" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="rdn_NumberofFullyCollateralizedReinsuranceArrangementswiththeEagleReIssuers" name="NumberofFullyCollateralizedReinsuranceArrangementswiththeEagleReIssuers" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="rdn_NumberofGSEs" name="NumberofGSEs" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="rdn_NumberofNaturalDisasters" name="NumberofNaturalDisasters" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="rdn_NumberofSubsidiaries" name="NumberofSubsidiaries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="rdn_NumberofYearsThataContingencyReserveMustBeMaintainedUnderSAPP" name="NumberofYearsThataContingencyReserveMustBeMaintainedUnderSAPP" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_OcwenMember" name="OcwenMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_OperatingIncomeLossPreTaxNonGAAP" name="OperatingIncomeLossPreTaxNonGAAP" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="rdn_OperatingLeaseLiabilitiesHeldforSale" name="OperatingLeaseLiabilitiesHeldforSale" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="rdn_OperatingLeaseLiabilityNotYetCommenced" name="OperatingLeaseLiabilityNotYetCommenced" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="rdn_OperatingLeaseRightofUseAssetsHeldforSale" name="OperatingLeaseRightofUseAssetsHeldforSale" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="rdn_OrganizationConsolidationandPresentationTable" name="OrganizationConsolidationandPresentationTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_OrganizationofBusinessAbstract" name="OrganizationofBusinessAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_OtherComprehensiveGainLossUnrealizedHoldingGainsLossesonInvestmentsAbstract" name="OtherComprehensiveGainLossUnrealizedHoldingGainsLossesonInvestmentsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_OtherComprehensiveIncomeLossCumulativeEffectofAdoptinganAccountingStandardUpdateBeforeTax" name="OtherComprehensiveIncomeLossCumulativeEffectofAdoptinganAccountingStandardUpdateBeforeTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="rdn_OtherComprehensiveIncomeLossCumulativeEffectofAdoptinganAccountingStandardUpdateNetofTax" name="OtherComprehensiveIncomeLossCumulativeEffectofAdoptinganAccountingStandardUpdateNetofTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="rdn_OtherComprehensiveIncomeLossCumulativeEffectofAdoptinganAccountingStandardUpdateTax" name="OtherComprehensiveIncomeLossCumulativeEffectofAdoptinganAccountingStandardUpdateTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="rdn_OtherInvestmentsChangeinUnrealizedHoldingGainLoss" name="OtherInvestmentsChangeinUnrealizedHoldingGainLoss" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_OtherMICompaniesMember" name="OtherMICompaniesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_OtherThanTemporaryImpairmentLossesInvestmentsCreditLossesPortionRecognizedinAOCI" name="OtherThanTemporaryImpairmentLossesInvestmentsCreditLossesPortionRecognizedinAOCI" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_ParentCompanyStatementOfOperationsAbstract" name="ParentCompanyStatementOfOperationsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_ParentCompanyStatementsOfCashFlowAbstract" name="ParentCompanyStatementsOfCashFlowAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_PaymentsforCapitalContributionstoWhollyOwnedSubsidiaries" name="PaymentsforCapitalContributionstoWhollyOwnedSubsidiaries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="rdn_PaymentstoAcquireEquitySecurities" name="PaymentstoAcquireEquitySecurities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="rdn_PercentageofNIWAbletobeCededUnderQSA" name="PercentageofNIWAbletobeCededUnderQSA" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_PercentofLTVatwhichHPAMustBeCanceledAutomatically" name="PercentofLTVatwhichHPAMustBeCanceledAutomatically" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="instant" />
  <xsd:element id="rdn_PercentofReductioninSharesOutstanding" name="PercentofReductioninSharesOutstanding" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="instant" />
  <xsd:element id="rdn_PercentofStockWithOrdinaryVotingRightsThatCompanyMustRetainInOrderToMakeAnyCapitalStockTransactions" name="PercentofStockWithOrdinaryVotingRightsThatCompanyMustRetainInOrderToMakeAnyCapitalStockTransactions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="rdn_PerformanceBasedRSUsEquitySettledMember" name="PerformanceBasedRSUsEquitySettledMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_PeriodThatthePolicyholderHastoChallengeaNoticeofRescission" name="PeriodThatthePolicyholderHastoChallengeaNoticeofRescission" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="rdn_PoolInsuranceMortgageInsuranceProductMember" name="PoolInsuranceMortgageInsuranceProductMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_PremiumReceivableforDeferredMonthlyPremiums" name="PremiumReceivableforDeferredMonthlyPremiums" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="rdn_PrimaryCaseReservesMember" name="PrimaryCaseReservesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_PrimaryMortgageProductMember" name="PrimaryMortgageProductMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_PrimaryRiskInForceMember" name="PrimaryRiskInForceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_PrivateMortgageInsuranceProtectsLendersForLoansMadeWithLessThanThisMaximumDownPaymentPercentage" name="PrivateMortgageInsuranceProtectsLendersForLoansMadeWithLessThanThisMaximumDownPaymentPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="rdn_PrivateMortgageInsuranceProtectsLendersForRefinancingsMadetoHomeBuyersWithLessThanThisMaximumEquityOwnershipPercentage" name="PrivateMortgageInsuranceProtectsLendersForRefinancingsMadetoHomeBuyersWithLessThanThisMaximumEquityOwnershipPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="rdn_ProceedsfromSaleofEquitySecurities" name="ProceedsfromSaleofEquitySecurities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="rdn_QualifiedDepositAssetsWithTheU.S.DepartmentOfTreasuryExpectedtobeRefunded" name="QualifiedDepositAssetsWithTheU.S.DepartmentOfTreasuryExpectedtobeRefunded" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="rdn_QualifiedDepositAssetsWithTheU.S.DepartmentOfTreasuryExpectedtobeSubmitted" name="QualifiedDepositAssetsWithTheU.S.DepartmentOfTreasuryExpectedtobeSubmitted" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="rdn_QuotaShareReinsuranceTransactionsMember" name="QuotaShareReinsuranceTransactionsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_RadianGroupInc.Member" name="RadianGroupInc.Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_RadianGuarantyMember" name="RadianGuarantyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_RadianInsuranceIncMember" name="RadianInsuranceIncMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_RadianMortgageAssuranceMember" name="RadianMortgageAssuranceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_RadianReinsuranceMember" name="RadianReinsuranceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_RadianTitleInsuranceMember" name="RadianTitleInsuranceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_RealEstateServicesMember" name="RealEstateServicesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_RealizedGainsLossesonInvestmentsNet" name="RealizedGainsLossesonInvestmentsNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="rdn_ReductioninDilutiveSharesAttributabletoRedemptionofConversionofDebtSecurities" name="ReductioninDilutiveSharesAttributabletoRedemptionofConversionofDebtSecurities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_ReinsuranceInsurancePremiumsEarnedAbstract" name="ReinsuranceInsurancePremiumsEarnedAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_ReinsuranceRetentionPolicyTermofCoveragePeriod" name="ReinsuranceRetentionPolicyTermofCoveragePeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_ReinvestedCashCollateralHeldUnderSecuritiesLendingAgreements" name="ReinvestedCashCollateralHeldUnderSecuritiesLendingAgreements" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="rdn_ReserveForPremiumDeficiencyPolicyTextBlock" name="ReserveForPremiumDeficiencyPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_RestrictedNetAssetsHeldByConsolidatedSubsidiaries" name="RestrictedNetAssetsHeldByConsolidatedSubsidiaries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="rdn_RestrictedStockRestrictedStockUnitsandPerformanceSharesMember" name="RestrictedStockRestrictedStockUnitsandPerformanceSharesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_RestrictedStockUnitsRSUsEquitySettledMember" name="RestrictedStockUnitsRSUsEquitySettledMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_RiskInForce" name="RiskInForce" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="rdn_RiskToCapitalCalculationTable" name="RiskToCapitalCalculationTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_RiskToCapitalCalculationTableTextBlock" name="RiskToCapitalCalculationTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_RiskToCapitalLineItemsLineItems" name="RiskToCapitalLineItemsLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_RiskToCapitalRatio" name="RiskToCapitalRatio" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="instant" />
  <xsd:element id="rdn_RiskToCapitalRatioRegulatoryMaximum" name="RiskToCapitalRatioRegulatoryMaximum" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="rdn_ScheduleISummaryOfInvestmentsAbstract" name="ScheduleISummaryOfInvestmentsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_ScheduleIiBalanceSheetsParentCompanyOnlyAbstract" name="ScheduleIiBalanceSheetsParentCompanyOnlyAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_ScheduleOfEarningsPerShareBasicAndDilutedTable" name="ScheduleOfEarningsPerShareBasicAndDilutedTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_ScheduleOfInvestmentMaturitiesTable" name="ScheduleOfInvestmentMaturitiesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_ScheduleOfSecuritiesWithUnrealizedLossesLineItems" name="ScheduleOfSecuritiesWithUnrealizedLossesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_ScheduleOfSecuritiesWithUnrealizedLossesTable" name="ScheduleOfSecuritiesWithUnrealizedLossesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_ScheduleofCollateralizedReinsuranceAgreementsTableTextBlock" name="ScheduleofCollateralizedReinsuranceAgreementsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_ScheduleofDefaulttoClaimRatesonPrimaryPortfolioTableTextBlock" name="ScheduleofDefaulttoClaimRatesonPrimaryPortfolioTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_ScheduleofLiabilityforUnpaidClaimsandClaimAdjustmentExpensesbySegmentTableTextBlock" name="ScheduleofLiabilityforUnpaidClaimsandClaimAdjustmentExpensesbySegmentTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_ScheduleofVIEAssetsTableTextBlock" name="ScheduleofVIEAssetsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_SecondLienReserveforPremiumDeficiency" name="SecondLienReserveforPremiumDeficiency" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="rdn_SecuritiesLendingActivityAbstract" name="SecuritiesLendingActivityAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_SecuritiesLendingRateofCollateralRequired" name="SecuritiesLendingRateofCollateralRequired" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_SeniorNotesDue2019Member" name="SeniorNotesDue2019Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_SeniorNotesDue2020Member" name="SeniorNotesDue2020Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_SeniorNotesDue2021Member" name="SeniorNotesDue2021Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_SeniorNotesDue2024Member" name="SeniorNotesDue2024Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_SeniorNotesDue2024and2027Member" name="SeniorNotesDue2024and2027Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_SeniorNotesDue2027Member" name="SeniorNotesDue2027Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_SeniorNotesFairValue" name="SeniorNotesFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="rdn_SeniorNotesdue20192020and2021Member" name="SeniorNotesdue20192020and2021Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_SeniorNotesdue2020and2021Member" name="SeniorNotesdue2020and2021Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_SeparateThirdPartyReinsurerMember" name="SeparateThirdPartyReinsurerMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_ServicesRevenueAxis" name="ServicesRevenueAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_ServicesRevenueDomain" name="ServicesRevenueDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_ServicesRevenueNet" name="ServicesRevenueNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="rdn_ServicesRevenueTableTextBlock" name="ServicesRevenueTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_ShareBasedCompensationArrangementAmountDeferredAsPolicyAcquisitionCost" name="ShareBasedCompensationArrangementAmountDeferredAsPolicyAcquisitionCost" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="rdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCostExcludingAmountsDeferredAsPolicyAcquisitionCostsPriorToIncomeTaxes" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationCostExcludingAmountsDeferredAsPolicyAcquisitionCostsPriorToIncomeTaxes" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="rdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantExcludingAdjustments" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantExcludingAdjustments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="rdn_ShareBasedCompensationMaximumMultiplierforTargetPayout" name="ShareBasedCompensationMaximumMultiplierforTargetPayout" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="instant" />
  <xsd:element id="rdn_ShareBasedCompensationMaximumPayoutPercentageOfTargetAward" name="ShareBasedCompensationMaximumPayoutPercentageOfTargetAward" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_ShareBasedCompensationReductionOfSharesAvailableForGrantByEachGrantOfEquityAward" name="ShareBasedCompensationReductionOfSharesAvailableForGrantByEachGrantOfEquityAward" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_SharebasedCompensationArrangementbySharebasedPaymentAwardPerformanceAdjustmenttoShares" name="SharebasedCompensationArrangementbySharebasedPaymentAwardPerformanceAdjustmenttoShares" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_SharebasedCompensationArrangementbySharebasedPaymentAwardPerformanceAdjustmenttoSharesWeightedAverageGrantDateFairValue" name="SharebasedCompensationArrangementbySharebasedPaymentAwardPerformanceAdjustmenttoSharesWeightedAverageGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_SharebasedCompensationArrangementbySharebasedPaymentAwardPostVestingHoldingPeriod" name="SharebasedCompensationArrangementbySharebasedPaymentAwardPostVestingHoldingPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_ShortdurationInsuranceContractsAccidentYearPriorto2010Member" name="ShortdurationInsuranceContractsAccidentYearPriorto2010Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_SignificantAccountingPoliciesLineItemsLineItems" name="SignificantAccountingPoliciesLineItemsLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_SignificantAccountingPoliciesTable" name="SignificantAccountingPoliciesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_StateInsuranceRegulationsMember" name="StateInsuranceRegulationsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_StatutoryAccountingPracticeStatutoryPosition" name="StatutoryAccountingPracticeStatutoryPosition" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="rdn_StatutoryAccountingPracticesContingencyReserve" name="StatutoryAccountingPracticesContingencyReserve" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="rdn_StatutoryAccountingPracticesStatutoryCapitalandSurplusAdditions" name="StatutoryAccountingPracticesStatutoryCapitalandSurplusAdditions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="rdn_StatutoryAccountingPracticesStatutoryCapitalandSurplusDistributions" name="StatutoryAccountingPracticesStatutoryCapitalandSurplusDistributions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="rdn_StatutoryAccountingPracticesSurplusAdditionsDistributionsTableTextBlock" name="StatutoryAccountingPracticesSurplusAdditionsDistributionsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_StatutoryUnassignedNegativeSurplus" name="StatutoryUnassignedNegativeSurplus" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="rdn_SupplementalNotesAbstract" name="SupplementalNotesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_SurplusNoteNoticeofRedemptionPeriod" name="SurplusNoteNoticeofRedemptionPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_TaxPositionsRelatedToCurrentYearAbstract" name="TaxPositionsRelatedToCurrentYearAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_TaxPositionsRelatedToPriorYearsAbstract" name="TaxPositionsRelatedToPriorYearsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_TimedVestedRSUsEquitySettledMember" name="TimedVestedRSUsEquitySettledMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_TitleServicesMember" name="TitleServicesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_TotalDebtSecuritiesLineItems" name="TotalDebtSecuritiesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_TotalInterestExpenseAllocatedtoSubsidiariesFromParentCompany" name="TotalInterestExpenseAllocatedtoSubsidiariesFromParentCompany" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="rdn_TotalOperatingExpensesAllocatedtoSubsidiariesFromParentCompany" name="TotalOperatingExpensesAllocatedtoSubsidiariesFromParentCompany" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="rdn_TotalOperatingExpensesAndInterestExpenseAllocatedToSubsidiariesFromParentCompany" name="TotalOperatingExpensesAndInterestExpenseAllocatedToSubsidiariesFromParentCompany" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_TotalPrimaryInsuranceMortgageInsuranceProductsMember" name="TotalPrimaryInsuranceMortgageInsuranceProductsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_Totalof3Q18and1Q19RepurchaseProgramsMember" name="Totalof3Q18and1Q19RepurchaseProgramsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_Totalof3Q19and1Q20RepurchaseProgramsMember" name="Totalof3Q19and1Q20RepurchaseProgramsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="rdn_TradingSecuritiesMember" name="TradingSecuritiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="rdn_UnearnedCedingCommissions" name="UnearnedCedingCommissions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="rdn_XOLFirstLayerMember" name="XOLFirstLayerMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
</xsd:schema>
