FRM一级公示表(培训资料).docx
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1、FundationsofriskmanagementPortfolioManagementTheoryPortfolioReturn:ERERERPortfolioVariance:Op3汩攵2pwAwBCTACTB2covA,BCapitalMarketLine(CML):CAPM(SML)ERPRfERmRf.其中MeasuresofPerformanceERRSharpeRatioSRERRTreynorRatioTRPERMARSortinoRatioIyRMART其中RMARERERInformationRatioIRRRTrackingErrorRR(Method1)(Method
2、2)(Nisthenumberofreturnperiodsmeasured)JensensAlpha:ERRERRArbitragePricingTheoryERRGRRBRRERRfERRfQUANTITATIVEMETHODSBayes,FormulaPBlAPAIBPA1PBBasicStatisticsExpectedValueEXPxxPXX,s,PXXContinuousUniformDistribution:OforxaXaFx;foraxbba1forXbVariance EX CovarianceCov X,Y EX EX Y EYCorrelationCov X,YP S
3、ums of Random Variables IfX and Y are any random variables:EX Y E X E Y IfX and Y are independent:Var X YVar XVar Y IfX and Y are not independent:Var X YVar XVar Y 2Cov X,Ycfa frm cpa cma video,weixin : 804283381SkeWness& kurtosis E X Skewness Positive skewness: Mode Median Median MeanE X Kurtosis C
4、 ” E X Excess kurtosis = sample kurtosis - 3Common Probability DistributionsBinomialdistributionpxCplpEXnpDXnp1pPoissonDistribution入pkPXke入npEX入DXNormalDistribution:.(Idmameif!tscwiibbdkw*eaBrabyHr由Iirfe(XU,t?)mean=mode=medianKurtosis=3Linearcombinationsofnormalrandomvariablesarenormallydistributed.
5、StandardizedNormalDistributionZ-_-N0,1ConfidenceInterval68%ofobservationsfallwithinl90%ofobservationsfallwithin1.6595%ofobservationsfallwithin1.9699%ofobservationsfallwithin2.58Studentst-distribution:Studentst-distribution:issymmetric;fattertails;Degreesoffreedom=(n-l).CentralLimitTheorem:Whenselect
6、ingsimplerandomsamplesofsizenfromapopulationwithameanandafinitevariance2,thesamplingdistributionofthesamplemeanapproachesanormalprobabilitydistributionwithmeanandavariance2nequaltoasthesamplesizebecomeslarge(n30).MeasureofCentraltendencyPopulationmean:XSamplemean:XMeasurementofdispersionPopulationva
7、riance:XPopulationstandarddeviation:Knownpopulationvariance:Unknownpopulationvariance:SS/EstimationPointestimation:unbiasness,efficiency,consistencyConfidenceintervalestimation:Confidenceinterval:givesrangeofvaluesthemeanvaluewillbebetween,withagivenprobability(say90%or95%).Withknownvariance,formula
8、foraconfidenceintervalis:Pointestimate+/-(reliabilityfactor*standarderror)/Withknownvariance:XZ而/thunknownvariance:s*Samplevariance:2ilXXzSamplestandarddeviation:Sampling&EstimationSamplingDistribution:Probabilitydistributionofallpossiblesamplestatisticscomputedfromasetofequal-sizesamplesrandomlydra
9、wnfromthesamepopulation.Thesamplingdistributionofthemeanisthedistributionofestimatesthemean.StandardErrorofSampleMean:StandarderrorofthesamplemeanisthestandarddeviationOfdistributionofthesamplemean.HypothesisTestingNullandAlternativeHypothesesNullhypothesis(H0):Hypothesistheresearcherwantstoreject;t
10、hehypothesisthatisactuallytested;thebasisforselectionoftheteststatistics.Alternativehypothesis(Ha):Concludedifthereissufficientevidencetorejectthenullhypothesis.TestofMean:XUttfzkTestofTwoMeans:禺PSS2C0VX,Y-n-DifferenceBetweenOne-andTwo-TailedTests:One-tailedtest:testswhethervalueisgreaterthanorlesst
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