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  <xs:element name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetReductionEquityCostValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="oxsq_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetReductionEquityCostValue"/>
  <xs:element name="PIKIncomeFairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPIKIncome" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="oxsq_PIKIncomeFairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPIKIncome"/>
  <xs:element name="FairValueScheduleofFairValueoftheCompanysPortfolioofInvestmentsbyAssetClassDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="oxsq_FairValueScheduleofFairValueoftheCompanysPortfolioofInvestmentsbyAssetClassDetailsTable"/>
  <xs:element name="BorrowingsScheduleofUnsecuredNotesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="oxsq_BorrowingsScheduleofUnsecuredNotesDetailsTable"/>
  <xs:element name="BorrowingsScheduleofComponentsofInterestExpenseDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="oxsq_BorrowingsScheduleofComponentsofInterestExpenseDetailsTable"/>
  <xs:element name="FeesDomainDomain" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_FeesDomainDomain"/>
  <xs:element name="InterestIncomePaidInKindInterestIncome" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="oxsq_InterestIncomePaidInKindInterestIncome"/>
  <xs:element name="OriginalIssueDiscountAndMarketDiscountIncome" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="oxsq_OriginalIssueDiscountAndMarketDiscountIncome"/>
  <xs:element name="DiscountIncomeDerivedFromUnscheduledRemittancesAtPar" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="oxsq_DiscountIncomeDerivedFromUnscheduledRemittancesAtPar"/>
  <xs:element name="FeeLetters" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="oxsq_FeeLetters"/>
  <xs:element name="AllOtherFeesIncome" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="oxsq_AllOtherFeesIncome"/>
  <xs:element name="DistributionsPerShareFromNetInvestmentIncome" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_DistributionsPerShareFromNetInvestmentIncome"/>
  <xs:element name="DistributionsBasedOnWeightedAverageShareImpactinShares" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_DistributionsBasedOnWeightedAverageShareImpactinShares"/>
  <xs:element name="EffectOfSharesIssuedNetOfOfferingExpenses" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_EffectOfSharesIssuedNetOfOfferingExpenses"/>
  <xs:element name="AverageNetAssets" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="oxsq_AverageNetAssets"/>
  <xs:element name="AmountOutstandingExclusiveOfTreasurySecurities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="oxsq_AmountOutstandingExclusiveOfTreasurySecurities"/>
  <xs:element name="AdjustmentToAccumulatedNetInvestmentIncome" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="oxsq_AdjustmentToAccumulatedNetInvestmentIncome"/>
  <xs:element name="AdjustmentToAccumulatedNetRealizedlossesgains" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="oxsq_AdjustmentToAccumulatedNetRealizedlossesgains"/>
  <xs:element name="AdjustmentToTotalDistributableEarningsaccumulatedLosses" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="oxsq_AdjustmentToTotalDistributableEarningsaccumulatedLosses"/>
  <xs:element name="SelectedQuarterlyDataUnauditedScheduleofSelectedQuarterlyDataUnauditedDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="oxsq_SelectedQuarterlyDataUnauditedScheduleofSelectedQuarterlyDataUnauditedDetailsTable"/>
  <xs:element name="SelectedQuarterlyDataUnauditedScheduleofSelectedQuarterlyDataUnauditedDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_SelectedQuarterlyDataUnauditedScheduleofSelectedQuarterlyDataUnauditedDetailsLineItems"/>
  <xs:element name="NetDecreaseincreaseInNetAssetsResultingFromOperations" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="oxsq_NetDecreaseincreaseInNetAssetsResultingFromOperations"/>
  <xs:element name="DateDomainDomain" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_DateDomainDomain"/>
  <xs:element name="SummaryofSignificantAccountingPoliciesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="oxsq_SummaryofSignificantAccountingPoliciesDetailsTable"/>
  <xs:element name="DistributionOfInvestmentPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_DistributionOfInvestmentPercentage"/>
  <xs:element name="FairValueDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="oxsq_FairValueDetailsTable"/>
  <xs:element name="UnamortizedDeferredDebtIssuanceCosts" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_UnamortizedDeferredDebtIssuanceCosts"/>
  <xs:element name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetReductionsEquityCostValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="oxsq_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetReductionsEquityCostValue"/>
  <xs:element name="CostBasisAmortizationOfFeeLetterInvestments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="oxsq_CostBasisAmortizationOfFeeLetterInvestments"/>
  <xs:element name="IncomeFromSecuritizationVehiclesAndInvestment" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="oxsq_IncomeFromSecuritizationVehiclesAndInvestment"/>
  <xs:element name="BorrowingsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="oxsq_BorrowingsDetailsTable"/>
  <xs:element name="MinimumBorrowingInterestRate" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_MinimumBorrowingInterestRate"/>
  <xs:element name="AssetCoveragePercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="oxsq_AssetCoveragePercentage"/>
  <xs:element name="UnsecuredRepaidPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_UnsecuredRepaidPercentage"/>
  <xs:element name="DebtWeightedAverageMaturityPeriod" type="xbrli:durationItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="oxsq_DebtWeightedAverageMaturityPeriod"/>
  <xs:element name="DeferredDebtIssuanceCostsPerceatage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_DeferredDebtIssuanceCostsPerceatage"/>
  <xs:element name="EffectiveAnnualizedInterestCashPaid" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="oxsq_EffectiveAnnualizedInterestCashPaid"/>
  <xs:element name="EffectiveAnnualizedInterestRate" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_EffectiveAnnualizedInterestRate"/>
  <xs:element name="UnderwrittenPublicOffering" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="oxsq_UnderwrittenPublicOffering"/>
  <xs:element name="AggregatePrincipalAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="oxsq_AggregatePrincipalAmount"/>
  <xs:element name="PercentageOfAccruedInterestPayable" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_PercentageOfAccruedInterestPayable"/>
  <xs:element name="DebtInstrumentOfPrincipalRedemption" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="oxsq_DebtInstrumentOfPrincipalRedemption"/>
  <xs:element name="DebtInstrumentAggregateInterestRateDuringPeriod" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="oxsq_DebtInstrumentAggregateInterestRateDuringPeriod"/>
  <xs:element name="DeferredDebtIssuanceCostRate" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_DeferredDebtIssuanceCostRate"/>
  <xs:element name="RelatedPartyTransactionsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="oxsq_RelatedPartyTransactionsDetailsTable"/>
  <xs:element name="PreIncentiveFeeHurdleRate" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_PreIncentiveFeeHurdleRate"/>
  <xs:element name="IncomeAdvisorIncentiveFeeRate" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_IncomeAdvisorIncentiveFeeRate"/>
  <xs:element name="AnnualHurdleRate" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="oxsq_AnnualHurdleRate"/>
  <xs:element name="PreIncentiveFeeNetInvestmentIncomeMaximumPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="oxsq_PreIncentiveFeeNetInvestmentIncomeMaximumPercentage"/>
  <xs:element name="PreferredReturnAmountPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_PreferredReturnAmountPercentage"/>
  <xs:element name="CatchupAmountPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_CatchupAmountPercentage"/>
  <xs:element name="IncentiveFeeOnCapitalGainsPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_IncentiveFeeOnCapitalGainsPercentage"/>
  <xs:element name="PIKFees" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="oxsq_PIKFees"/>
  <xs:element name="FinancialHighlightsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="oxsq_FinancialHighlightsDetailsTable"/>
  <xs:element name="DistributionsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="oxsq_DistributionsDetailsTable"/>
  <xs:element name="PercentageOfDistributeMinimumAnnualInvestmentCompanyTaxableIncome" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_PercentageOfDistributeMinimumAnnualInvestmentCompanyTaxableIncome"/>
  <xs:element name="ExciseTaxPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_ExciseTaxPercentage"/>
  <xs:element name="ReinvestmentAdministratorPurchased" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="oxsq_ReinvestmentAdministratorPurchased"/>
  <xs:element name="InvestmentCompanyDistributionShortTermCapitalLoss" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="oxsq_InvestmentCompanyDistributionShortTermCapitalLoss"/>
  <xs:element name="InvestmentCompanyDistributionLongTermCapitalLoss" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="oxsq_InvestmentCompanyDistributionLongTermCapitalLoss"/>
  <xs:element name="NetAssetValuePerShareDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="oxsq_NetAssetValuePerShareDetailsTable"/>
  <xs:element name="CurrentCapacityOfShareIssuances" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="oxsq_CurrentCapacityOfShareIssuances"/>
  <xs:element name="UnderwritingFeesAndOfferingCosts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="oxsq_UnderwritingFeesAndOfferingCosts"/>
  <xs:element name="StockholdersEquityDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="oxsq_StockholdersEquityDetailsTable"/>
  <xs:element name="DateAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem" id="oxsq_DateAxis"/>
  <xs:element name="FeesAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem" id="oxsq_FeesAxis"/>
  <xs:element name="AdministrationAgreementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_AdministrationAgreementMember"/>
  <xs:element name="BaseFeeMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_BaseFeeMember"/>
  <xs:element name="CLOEquityFourMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_CLOEquityFourMember"/>
  <xs:element name="CLOEquityMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_CLOEquityMember"/>
  <xs:element name="CLOEquityOneMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_CLOEquityOneMember"/>
  <xs:element name="CLOEquityThreeMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_CLOEquityThreeMember"/>
  <xs:element name="CLOEquityTwoMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_CLOEquityTwoMember"/>
  <xs:element name="CashEquivalentMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_CashEquivalentMember"/>
  <xs:element name="DateOfIssuanceFiveMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_DateOfIssuanceFiveMember"/>
  <xs:element name="DateOfIssuanceFourMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_DateOfIssuanceFourMember"/>
  <xs:element name="DateOfIssuanceOneMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_DateOfIssuanceOneMember"/>
  <xs:element name="DateOfIssuanceSixMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_DateOfIssuanceSixMember"/>
  <xs:element name="DateOfIssuanceThreeMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_DateOfIssuanceThreeMember"/>
  <xs:element name="DateOfIssuanceTwoMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_DateOfIssuanceTwoMember"/>
  <xs:element name="DebtSecuritizationTICC20121CLOLLCSeniorNotesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_DebtSecuritizationTICC20121CLOLLCSeniorNotesMember"/>
  <xs:element name="EquityAndOtherInvestmentsFourMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_EquityAndOtherInvestmentsFourMember"/>
  <xs:element name="EquityAndOtherInvestmentsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_EquityAndOtherInvestmentsMember"/>
  <xs:element name="EquityAndOtherInvestmentsOneMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_EquityAndOtherInvestmentsOneMember"/>
  <xs:element name="EquityAndOtherInvestmentsThreeMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_EquityAndOtherInvestmentsThreeMember"/>
  <xs:element name="EquityAndOtherInvestmentsTwoMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_EquityAndOtherInvestmentsTwoMember"/>
  <xs:element name="ExtinguishmentOfDebtMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_ExtinguishmentOfDebtMember"/>
  <xs:element name="FiveFiftyUnsecuredNotesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_FiveFiftyUnsecuredNotesMember"/>
  <xs:element name="FivePointFiveZeroPercentageNotesDue2028Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_FivePointFiveZeroPercentageNotesDue2028Member"/>
  <xs:element name="FivePointFiveZeroPercentageUnsecuredNotesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_FivePointFiveZeroPercentageUnsecuredNotesMember"/>
  <xs:element name="IncomeFromSecuritizationVehiclesAndInvestmentsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_IncomeFromSecuritizationVehiclesAndInvestmentsMember"/>
  <xs:element name="InterestIncomeDebtInvestmentsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_InterestIncomeDebtInvestmentsMember"/>
  <xs:element name="InvestmentAdvisoryAgreementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_InvestmentAdvisoryAgreementMember"/>
  <xs:element name="NASDAQGlobalSelectMarketMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_NASDAQGlobalSelectMarketMember"/>
  <xs:element name="NetInvestmentIncomeIncentiveFeeMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_NetInvestmentIncomeIncentiveFeeMember"/>
  <xs:element name="NetInvestmentIncomeIncentiveFeesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_NetInvestmentIncomeIncentiveFeesMember"/>
  <xs:element name="NonControlAndNonAffiliateInvestmentsIssuerMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_NonControlAndNonAffiliateInvestmentsIssuerMember"/>
  <xs:element name="NotesPayableFiveFiveZeroMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_NotesPayableFiveFiveZeroMember"/>
  <xs:element name="NotesPayableSevenSevenFiveMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_NotesPayableSevenSevenFiveMember"/>
  <xs:element name="NotesPayablesixtwofiveMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_NotesPayablesixtwofiveMember"/>
  <xs:element name="O2025Q3DividendsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_O2025Q3DividendsMember"/>
  <xs:element name="OXSQFunding2018LLCRevolvingCreditFacilityMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_OXSQFunding2018LLCRevolvingCreditFacilityMember"/>
  <xs:element name="OXSQGMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_OXSQGMember"/>
  <xs:element name="OXSQHMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_OXSQHMember"/>
  <xs:element name="OXSQZMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_OXSQZMember"/>
  <xs:element name="OxfordFundsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_OxfordFundsMember"/>
  <xs:element name="OxfordSquareManagementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_OxfordSquareManagementMember"/>
  <xs:element name="PreferredEquityInvestmentsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_PreferredEquityInvestmentsMember"/>
  <xs:element name="SelectedQuarterlyDataMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_SelectedQuarterlyDataMember"/>
  <xs:element name="SeniorSecuredNotes1Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_SeniorSecuredNotes1Member"/>
  <xs:element name="SeniorSecuredNotesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_SeniorSecuredNotesMember"/>
  <xs:element name="SevenPointSevenFiveNotesDueTwoZeroThreeZeroMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_SevenPointSevenFiveNotesDueTwoZeroThreeZeroMember"/>
  <xs:element name="SevenPointSevenFiveUnsecuredNoteMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_SevenPointSevenFiveUnsecuredNoteMember"/>
  <xs:element name="SevenPointSevenFiveUnsecuredNotesDueMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_SevenPointSevenFiveUnsecuredNotesDueMember"/>
  <xs:element name="SevenPointSevenFiveUnsecuredNotesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_SevenPointSevenFiveUnsecuredNotesMember"/>
  <xs:element name="SevenSevenFiveUnsecuredNotesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_SevenSevenFiveUnsecuredNotesMember"/>
  <xs:element name="SevenSeventyFiveUnsecuredNotesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_SevenSeventyFiveUnsecuredNotesMember"/>
  <xs:element name="SixFiftyUnsecuredNotesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_SixFiftyUnsecuredNotesMember"/>
  <xs:element name="SixPointFiveZeroPercentageUnsecuredNotesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_SixPointFiveZeroPercentageUnsecuredNotesMember"/>
  <xs:element name="SixPointTwoFivePercentageUnsecuredNotesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_SixPointTwoFivePercentageUnsecuredNotesMember"/>
  <xs:element name="SixTwentyFiveUnsecuredNotesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_SixTwentyFiveUnsecuredNotesMember"/>
  <xs:element name="TotalAssetsAtFairValueMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_TotalAssetsAtFairValueMember"/>
  <xs:element name="TotalInvestmentsAtFairValueMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_TotalInvestmentsAtFairValueMember"/>
  <xs:element name="TwoThousandEighteenMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_TwoThousandEighteenMember"/>
  <xs:element name="TwoThousandNineteenMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_TwoThousandNineteenMember"/>
  <xs:element name="TwoThousandSeventeenMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_TwoThousandSeventeenMember"/>
  <xs:element name="TwoThousandSixteenMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_TwoThousandSixteenMember"/>
  <xs:element name="TwoThousandTwentyFiveMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_TwoThousandTwentyFiveMember"/>
  <xs:element name="TwoThousandTwentyFourMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_TwoThousandTwentyFourMember"/>
  <xs:element name="TwoThousandTwentyMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_TwoThousandTwentyMember"/>
  <xs:element name="TwoThousandTwentyOneMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_TwoThousandTwentyOneMember"/>
  <xs:element name="TwoThousandTwentyThreeMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_TwoThousandTwentyThreeMember"/>
  <xs:element name="TwoThousandTwentyTwoMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_TwoThousandTwentyTwoMember"/>
  <xs:element name="TwoZeroOneSixFeeWaiverMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_TwoZeroOneSixFeeWaiverMember"/>
  <xs:element name="UnsecuredNoteMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_UnsecuredNoteMember"/>
  <xs:element name="UnsecuredNotes550PercentageMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_UnsecuredNotes550PercentageMember"/>
  <xs:element name="UnsecuredNotes625PercentageMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_UnsecuredNotes625PercentageMember"/>
  <xs:element name="UnsecuredNotes775PercentageMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_UnsecuredNotes775PercentageMember"/>
  <xs:element name="UnsecuredNotesFourMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_UnsecuredNotesFourMember"/>
  <xs:element name="UnsecuredNotesOneMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_UnsecuredNotesOneMember"/>
  <xs:element name="UnsecuredNotesThreeMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_UnsecuredNotesThreeMember"/>
  <xs:element name="UnsecuredNotesTwoMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_UnsecuredNotesTwoMember"/>
<!-- [WMV6][eWHsOzb6KPeltROGb5H8ogaQFMCa3N2Yq29qo0FLe+6vwiOJaYVszyOjIBjst0ma7PD9yYVp0v/Yn6wSxDMHHw22Dcjvccrmjn8omofs7YKYOkvdG3GtWfXxrtvhgpOpptbMFM7j5YytMx5rqEOIpkL6/ymJJPRVn57iTU4tNqqsREGAv7TDPCYO+ufLaQwfZAwYO1Wb8v5ULDlqTg9BV7awIKH4uiLc++RgQN4OlwJTPhofvu4CtAcaLXZEYajmW9TC4pVL9aWs0p3NVW9xvM1otSwEWNrzSxqo8cVcwx+0IiBE4MXrdIvocMBM/U91Kux+ZANhDk4H2zizXwWxuNi0R1JM1Scz0PzaGWQ5z15ydE/HnwM6tQ==] CSR-->
  <xs:element name="DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_DocumentAndEntityInformationAbstract"/>
</xs:schema>
