Quantitative1010365/:D 360360:==360:1360A :(1)1Continuously compounded rate of re BD BD MM BD t P P CF Holding Period Yield HPY P FV P Bank Discount Yield r F t FV tr Money Market Yield r HPY t t r Effective nnual Yield EAY HPY -+ =- ⨯⨯ =⨯=-⨯ =+-()12turn: r ln ln 1cc s HPR s ⎛⎫==+ ⎪⎝⎭23653651111(1)(1)21;;);1t tTime weighted Money weighted nini Arithmetic Weighted i i Geometric Geometric Arithmetic Harmonic ni i iy BEY HPY EAY R R IRR Xn X X W X X X X X n X L ⨯--===+=+=+=====<==∑∑∑(1)100y n +⨯2222111[()]2Excess kurtosis = Sample kurtosis - 3()();:;:;111nnniiii i i x X ks Range MaxValue MinValue XXXX MAD PopulationVariance SampleVariance s MAD n nn P k Coefficient of Variat μμσσ===-≤= ----===<-≥- ∑∑∑切比雪夫不等式：:;xp fpsion CV XR R Sharp Ratio σ=- =越大越好Excess Kurtosis=Sample Kurtosis 3()1()Odds of event=;Odds against of event=1()()()(|)()(|)();()()()()()=0()()()()(|)()P E P E P E P E P AB P A B P B P B A P A P AorB P A P B P AB P AB P AorB P A P B P AB P B A P A ---=⨯=⨯=+-=+=一般条件：互斥事件：；贝叶斯公式：(|)()()(1)()x x n xn P A B P B P x C P P P A -⨯=⋅⋅-=;贝努力实验：2221,2121,21111222212221122121,21;()[()()][()()]()[()()][()()]()();290% Confidence interval for X is 1.65 ; 95% for 1.96A B A B n p p i i i Cov Cov P A B P A E r P B E r P A B P A E r P B E r E R w E R w w w w Cov X s X s ρσσσσσ===⋅-⋅-+⋅-⋅-=⋅=++±±∑2) ; 95% for 2.58~(,),;()1()(Roy's Safety-first Ratio=;Minimum Acceptable Returnp LL pX sx X N Z F z F z E R R R μμσσσ±-=-=--=/2/20000000000Confidence interval: point Estimate;One tail:,;,;Two tail:,Reject :;F X Z X Z X Z H H H H H H H test statistic critical value αααααμμμμμμ=±≥<≤>== >中心极限定理：0ail to reject ::~(0,1);:~(1)H test statistic critical value X X Z test Z N t test t t n < -=-=-22221121222212121/222212121(1) :~(1);:(S S )~(1,1)Test for equality of means: t-statistic=(Sample Variances assumed unequal);t-statistic=PPs n s chi Square test x x n F test F F n n s x x x x s s s s n n n σ--=--=>----⎛⎫++ ⎪⎝⎭条件：1/222(equal)n ⎛⎫ ⎪⎝⎭Portfolio Management22221,21212221122121,2,,2()()():()[()]pM f p f pM i mkti i i mkt mktmkti f i M f p fpCov w w w w Cov E R R CML E R R Total Risk systematic Risk unsystematic RiskCov SML CAPM E R R E R R R R Sharpe Ratio ρσσσσσσσσβρσσβσ==++-⎡⎤:=+⎢⎥⎣⎦= + ==⨯=+-- =;()();'()()Mp f M f pp fp p f p M f pM Squared R R R R R R Treynor Measure Jensen s R CAPM R R R R σσαββ-=---- ==-=---Economics%;1,;1,%Pr %;0,normal good(0<<1,necessity good;>1,Luxury);e 0,inferior good%%%Price of related g p p i i i i QOwn price elasticity e elastic e inelasticice QIncome elasticity e e e IncomeQCross elasticity ∆- =><∆∆ =><∆∆ =∆;0,;0,oodbreakeven point if AR=ATC(Perfect competition);TR=TC(imperfect competition)shutdown point if AR<AVC(Perfect competition);TR<TVC(imperfect competition)TR=P Q;AR=TR/Q;c c e substitute e complement><⨯MR=TR/QTC=TFC+TVC;MC=TC/QAccounting profit = total revenue - total accounting costsEconomic profit = Accounting profit-implicit opportunity costs=total revenue-explicit costs-implicit costs Normal p ∆∆∆1110rofit = accounting profit - economic profit=;x y x nyNominal GDPGDP deflator=Real GDP ()()()();Fiscal budget deficit=Excess over dome xy yMRS n xQ P Base BaseQ P GDP C I G X M C S TG T S I X M ∆=-∆⨯⨯=⨯⨯=+++-=++-=---用替代，用1替代currentBase PeriodRe [stic investment+trade balance Price CPI=100Price 1Money multiplier =Reserve MV=PY;Real money supply Velocity of money=Price level Real GDP :Nom al Inflati requirementFisher Effect R R E ⨯ ⨯⨯ =+]1Fiscal multiplier =;Marginal propensity to consume1(1)Real Exchange Rate(d/f)=nominal forex rate 1domestic interst (d/f):(d/f)on MPC MPC t foreign CPIdomestic CPIForward No Arbitrage Forex Rate Spot =-- ⨯+- =rate 3601foreign interest rate 360tt ⨯+⨯Equity001111Trigger Price();Trigger ()11Pr ice Weighted Index=number of stocksPrice-changeEqual Weighted Index =(1+) Equal Weighted In ni i nii Arithmetic IM IMLong P price Short P MM MMPinitial index valuen==-+=⨯=⨯-+⨯∑∑1110dex current total market valueMarket capitalization-weighted index=base year index valuebase year total market valueOne-year DDM:;Multiple-y 11Geometric n ps pss s X initial index valueD P k D P P k k ⨯⨯==+++12020ear DDM:...1(1)(1)(1)FCFE=CFO-FCInv+net borrowing;FCFF=CFO-FCInv+Int(1-t)CFO=NI+Dep-Increase in working capital;net borrowing -debt principal+new debt issues P (1n n n ns s s s ns D P D D P k k k k FCFE k =++++++++==+0110100000111) :;(1);(1);:[()](1)///;/nni s s f i M f D DGordon Growth Model P D D g g RR ROE payout ratio ROE payout ratio k g EPSCAPM k R E R R P P D g E D E Payout Ratio Payout Leading P E Trailing P E E k g k g E k g β===⨯+=⨯=- ⨯ =-=+-+ === ===---∑(1)Enterprise Value=MV of common stock+MV of Pre-stock+MV of Debt-Cash and Investment Market Value of equity/;Common equity=total asset-total liabilities-pref Book Value of equityRatio g k g P B Ratio MV ⨯+- ==erred stockAlternativeNAV Per Share Assets - Per Share LiabilitiesProb (1)Appraisal price NOI /Market cap rate;NOI=Income-Operating Expense Market cap rate Benchmark NOI /Benchmark trans nSuccess nCF Venture Capital NPV CF i = =⨯-+==()()()()action price After Tax Net Income NOI D INT *1t After Tax Cash Flow ATNI D PRN principal repayment NOI TAX PRN INT =---=+-=--+Derivative()()floating rate at settlement forward rate 360notional principal 39361+floating rate at settlement 360 rincipal ( )360Option v days FRA FRA days daysNet Fixed Rate Payment P Fixed rate LIBOR ⎡⎤-⨯⎢⎥=⨯=⎢⎥⎢⎥⨯⎣⎦=⨯-⨯；期前，期后()0000alue intrinsic value time value /1covered call S ;Breakeven=S c;Maximum Gain= X (S c)protective put S ;Breakeven=S ;Maximum Loss= X (S )Tfc X R S pp p p =+++=+=---=++-+－cFixed Income112n tt=1t 0Full Price Clean PriceAccrued Interest Accrued interestt PVCF Macaulay duration=PVCF ()Macaulay duration Modified duration=1+periodic market yield Effective Duration=T CouponT T P P P P y+0/2Δy 21absolute yield spread Absolute yield spread =high yield-low yield;Relative yield spread=benchmark bond yieldsubject Yield ratioOptionbondoptionfree bondPut Call OptionP V V V STRIPS Maturity 10111(1)1 bond yield benchmark bond yieldTax Free YieldTax equivalent yield1tax rateOAS Z-spread - Option cost(Z-spread > Nominal Spread, if spot Yield is upward sloping)(1)(1)(1)(1);TT T S f f ff 00n 2N MRT 2Face valueZero coupon bond value=(interest rate risk )(1+)2Reinvestment Income=PV (1+r )-FV-Coupon Total percentage price change=duration effect + convexity effect [MD ()][Conv ()S i Py y P最大]Dollar duration duration bond price 1%(100)PVBPduration bond price 0.01%(1) [Duration PV ]bp bp 不求，算出两个相减也可计算FSAA=L+E; E=CC+R/E; R/E R/E +NI-Div; A=L+CC+R/E +Revenue-Expense-Div current assets Current ratio =current liabilitiescash + marketable securities + A/RQuick ratio =current liabilitiescash Cash ratio =E B B =+ marketable securitiescurrent liabilitiescash + marketable securities + A/RDefensive interval=Average daily expend annual salesReceivables turnover =A/R Inventory turnover =Payables turn COGSInventory over =A/P365Average receivables collection period =receivable turnover365Average inventory processing period =inventory turnover 365Average payment period =payable Cash conversion c turn yc overPurchasePretax margin =total debt total debtD/E ratio=;D/A le = collection period + inve ratio=Equtiy AssetRevenueWorking Capital turno ntory period - payme ver=;Working Ca Average Working Capital nt period EBT Sales pital=Current Asset-Current LiabilityInterest Coverage EBIT+Lease PaymentFixed Charge Coverage=Interest+Leasr Payment Return on assets (ROA) =Return on equity(ROE) Net =ROE=EBITInterestNIAsset NIEquity=Profit Margin Asset Turnover Financial Leverage Tax burden Interest burden EBIT Margin Asset Turnover Financial Leverage =ROE=EBT NI Sales AssetSales Asset EquityNI EBIT Sales Asset EBT EBIT Sales Asset Equit ⨯⨯⨯⨯⨯⨯⨯⨯=⨯⨯⨯⨯LIFO Reserve COGS LIFO Reserve taxable income tax rate=tax payableIncome tax expense=tax payable+DTL-DTAReported effec END BGN FIFO LIFO FIFO LIFO yInventory Inventory Purchase COGS Inventory Inventory COGS =+-=+=-∆⨯∆∆income tax expensetive tax rate=pretax incometax payableeffective tax rate=pretax incomeCorporate Finance120120101100...(1)(1)(1)(1)1(1):();;(1);nnniii d d ps ps c spsps s f m f s s Asse CF CF CF NPV CF k k k CF CF IRR NPVPI CF WACC W k t W k W k D k PCAPM k R R R D D D k g P g RR ROE payout ratio ROE payout ratio P k g EPSββ==+++++++=+=+=⨯-+⨯+⨯==+-=+==⨯=- ⨯ =-∑Pr ;[1(1)]1(1)cost of capital change :Break Point=weight of capital structure()();()()(Equityt oject Asset D t EDt EMCC Q P V S TVC EBIT Q P V FDOL DFL Q P V F S TVC F EBIT Interest Q P V F IQ P DTL DOL DFL βββ==⨯+-⋅+-⋅----====--------=⨯=)();365365365;//Net working capital=Current Asset-Current Liabilitie Breakeven OperatingBE V S TVCQ P V F I S TVC F IF I FQ Q P V P VCash Conversion Cycle Purchase Inv COGSCOGS Sales Purchase Inventory A R A PC --=------+==-- =+-=∆+365/()(1)11tdiscount ost of trade credit EAR discount=+--史上最全的CFA复习笔记，爱不释手T-bill rates是nominal risk-free ratesnominal risk-free rate= real risk-free rate + expected inflation ra te风险种类：default risk违约风险liquidity risk 流动性风险maturity risk 久期风险（利率风险）EAR=e^t-1贴现率=opportunity cost，required rate of return，cost of capital ordinary annuity在期末产生现金流annuity due在期初产生现金流永续年金perpetuity PV=PMT/(I/Y)对于同一个项目IRR和NPV结论相同：IRR大于必要收益率则NPV为正，否则NPV为负如果公司目标是权益所有人财富最大化，那么始终选择NPV（通常都是这样）HPR(持有期回报）=（期末值-期初值）/期末值或者（期末值-期初值+现金）/期末值Time-weighted rate of return时间的加权平均值，（1+HPR1)(1+HPR2)…即几何平均数如果组合处于高上涨期，时间加权平均会比金钱加权平均小，反之则大。