CFA Level I Equities formulas
Margin and leverage, company analysis and forecasting, dividend discount and free cash flow models, and price multiples.
163 formulas from the Equities lessons (11–14% of the exam), 86 to memorize. Each says how deeply to learn it and opens to a quick worked example with the keystrokes for the TI BA II Plus and the HP 12C.
How deeply to learn each part
- Know the idea
- Understand it in general. It frames other topics, but you will not calculate with it.
- Use it
- Understand it well enough to solve a question with it. Recognize when it applies.
- Memorize
- Learn it by heart. The exam will not give it to you.
Module 1 Equity Instrument Features
Module 2 Equity Jurisdictions, Classes, and Voting
Module 3 Equity Issuance and Trading
Primary and secondary equity markets: issuing shares and why trading matters
Quick example
Offer price 26.00 Swiss francs (CHF), first-day close CHF 30.68: (30.68 − 26.00) ÷ 26.00 = 18.0%.
- 30.68−26=÷26= 0.18
- 30.68ENTER26−26÷ 0.18
ENTER enter (on the HP, puts the number on the stack)
Quick example
You hold 9 million of 120 million shares. A follow-on sells 15 million new and 24 million existing shares: 9 ÷ 135 = 6.67%.
- 9÷(120+15)= 0.06667
- 9ENTER120ENTER15+÷ 0.06667
ENTER enter (on the HP, puts the number on the stack)
Where shares trade: exchanges, off-exchange and over the counter
Quick example
Highest bid 36.20, lowest ask 36.30: 36.30 − 36.20 = 0.10.
- 36.3−36.2= 0.10
- 36.3ENTER36.2− 0.10
ENTER enter (on the HP, puts the number on the stack)
Quick example
Bid 4.50, ask 5.00: (5.00 − 4.50) ÷ 5.00 = 10.00%. Over the mid-market price (4.75) it would be 10.53%, the wrong base.
- 5−4.5=÷5= 0.10
- 5ENTER4.5−5÷ 0.10
ENTER enter (on the HP, puts the number on the stack)
Quick example
Highest bid 36.20, lowest ask 36.30: (36.30 + 36.20) ÷ 2 = 36.25.
- 36.3+36.2=÷2= 36.25
- 36.3ENTER36.2+2÷ 36.25
ENTER enter (on the HP, puts the number on the stack)
Quick example
Asks are 400 shares at 36.30 and 900 at 36.35. A market buy for 1,000 shares pays (400 × 36.30 + 600 × 36.35) ÷ 1,000 = 36.33.
- (400×36.3)+(600×36.35)=÷1000= 36.33
- 400ENTER36.3×600ENTER36.35×+1000÷ 36.33
ENTER enter (on the HP, puts the number on the stack)
Quick example
Trades of 1,000 shares at 24.50, 3,000 at 24.80 and 1,000 at 24.65: 123,550 ÷ 5,000 = 24.71. The simple average of the prices, 24.65, ignores the sizes.
- (1000×24.5)+(3000×24.8)+(1000×24.65)= 123,550
- ÷5000= 24.71
- 1000ENTER24.5×3000ENTER24.8×+1000ENTER24.65×+ 123,550
- 5000÷ 24.71
ENTER enter (on the HP, puts the number on the stack)
Liquidity: market float, average daily volume and turnover
Quick example
A company has 300 million shares outstanding, of which 60 million are restricted: 300 − 60 = 240 million shares in the float.
- 300−60= 240
- 300ENTER60− 240
ENTER enter (on the HP, puts the number on the stack)
Quick example
A share trades 0.62, 0.48, 0.55, 0.51 and 0.64 million shares over five business days: 2.80 ÷ 5 = 0.56 million shares a day.
- 0.62+0.48+0.55+0.51+0.64=÷5= 0.56
- 0.62ENTER0.48+0.55+0.51+0.64+5÷ 0.56
ENTER enter (on the HP, puts the number on the stack)
Quick example
ADV of 0.56 million shares and a market float of 240 million: 0.56 ÷ 240 = 0.23% a day.
- 0.56÷240= 0.002333
- 0.56ENTER240÷ 0.002333
ENTER enter (on the HP, puts the number on the stack)
Quick example
A fund holds 0.5 million shares, ADV is 0.8 million and the daily limit is 15% of ADV: 0.5 ÷ (0.15 × 0.8) = 4.17, so 5 trading days.
- 0.5÷(0.15×0.8)= 4.1667, round up to 5
- 0.5ENTER0.15ENTER0.8×÷ 4.1667, round up to 5
ENTER enter (on the HP, puts the number on the stack)
Types of equity indexes
Quick example
A 30-stock equal-weighted index gives every member 1 ÷ 30 = 3.33%, whatever its cap weight was.
- 1÷30= 0.0333
- 301/x 0.0333
1/x reciprocal
Quick example
A fund tracks an index that gains 4% in euros while the euro loses 2% against your currency: 1.04 × 0.98 − 1 = 1.92%.
- 1.04×0.98−1= 0.0192
- 1.04ENTER0.98×1− 0.0192
ENTER enter (on the HP, puts the number on the stack)
Module 4 Sources of Equity Returns
Price return, total return and the price of a share
Quick example
A share bought at 36.00 that pays nothing and is sold at 38.70 returns (38.70 − 36.00) ÷ 36.00 = 7.50%.
- 38.7−36=÷36= 0.075
- 38.7ENTER36−36÷ 0.075
ENTER enter (on the HP, puts the number on the stack)
Quick example
Buy at 25.00, receive a dividend of 0.75 and sell at 26.50: (1.50 + 0.75) ÷ 25.00 = 9.00% (a price return of 6.00%).
- 26.5−25+0.75=÷25= 0.09
- 26.5ENTER25−0.75+25÷ 0.09
ENTER enter (on the HP, puts the number on the stack)
Quick example
Yearly total returns of 6%, −2% and 9%: 1.06 × 0.98 × 1.09 − 1 = 13.23%. Adding them would give 13.00%.
- 1.06×0.98×1.09−1= 0.1323
- 1.06ENTER0.98×1.09×1− 0.1323
ENTER enter (on the HP, puts the number on the stack)
Quick example
An expected price of 30.00 and an expected dividend of 0.90 in a year, with a required return of 8%: (30.00 + 0.90) ÷ 1.08 = 28.61.
- 30+0.9=÷1.08= 28.6111
- 30ENTER0.9+1.08÷ 28.6111
ENTER enter (on the HP, puts the number on the stack)
Quick example
A dividend of 0.60 a year for 5 years, a target of 20.00 and a required return of 7%: 0.60 × 4.1002 + 20.00 ÷ 1.07⁵ = 2.46 + 14.26 = 16.72.
- 2NDCLR TVM
- 5N7I/Y0.6PMT20FV
- CPTPV −16.72
2ND second function (the shifted label above a key) · CLR TVM clear the time value of money keys · N number of periods · I/Y interest rate per year (per period when P/Y is 1) · PMT payment · FV future value · CPT compute · PV present value
- fCLEAR FIN
- 5n7i0.6PMT20FV
- PV −16.72
f gold shift key · CLEAR FIN clear the financial registers · n number of periods · i interest rate per period · PMT payment · FV future value · PV present value
Module 5 Introduction to Equity Valuation
Market price, intrinsic value and perceived value
Quick example
A share that pays no dividend is valued at 62.40 and trades at 52.00. (62.40 − 52.00) ÷ 52.00 = 20.00%. Divide by the price paid, not by the value (16.67% is the trap).
- 62.4−52=÷52= 0.2000
- 62.4ENTER52−52÷ 0.2000
ENTER enter (on the HP, puts the number on the stack)
Quick example
Bear 38.00 (25%), base 50.00 (50%), bull 66.00 (25%): 9.50 + 25.00 + 16.50 = 51.00.
- (0.25×38)+(0.5×50)+(0.25×66)= 51.00
- 0.25ENTER38×0.5ENTER50×+0.25ENTER66×+ 51.00
ENTER enter (on the HP, puts the number on the stack)
Equity valuation models: present value, asset-based and relative
Quick example
Cash flows 1.50 and 1.60, expected price 30.00 at the end of year 2, required return 8%: 1.50 ÷ 1.08 + 31.60 ÷ 1.08² = 1.39 + 27.09 = 28.48.
- CF2NDCLR WORK
- 0ENTER↓1.5ENTER↓↓31.6ENTER
- NPV8ENTER↓CPT 28.48
CF cash flow worksheet · 2ND second function (the shifted label above a key) · CLR WORK clear the worksheet · ENTER enter (on the HP, puts the number on the stack) · NPV net present value · CPT compute
- fCLEAR REG
- 0gCF01.5gCFj31.6gCFj8i
- fNPV 28.48
f gold shift key · CLEAR REG clear all registers · g blue shift key · CF0 cash flow at time zero · CFj cash flow j · i interest rate per period · NPV net present value
Quick example
Cash flow from operations 500, interest 40, tax 30%, capital expenditures 220: 500 + 28 − 220 = 308.
- 40×0.7+500−220= 308
- 500ENTER40ENTER0.7×+220− 308
ENTER enter (on the HP, puts the number on the stack)
Quick example
Cash flow from operations 500, capital expenditures 220, borrowing 60, repayment 100: 500 − 220 − 40 = 240.
- 500−220+60−100= 240
- 500ENTER220−60+100− 240
ENTER enter (on the HP, puts the number on the stack)
Quick example
Book value 20.00 per share and positive expected residual income: value above 20.00, so price-to-book above 1.
Quick example
Price 63.00, earnings per share 4.20: 63.00 ÷ 4.20 = 15.0.
Quick example
Discounted cash flow 32, comparables 28, residual income 45 with weights 50%, 30%, 20%: 16.0 + 8.4 + 9.0 = 33.40.
- (0.5×32)+(0.3×28)+(0.2×45)= 33.40
- 0.5ENTER32×0.3ENTER28×+0.2ENTER45×+ 33.40
ENTER enter (on the HP, puts the number on the stack)
Book value, market capitalization and enterprise value
Quick example
A firm reports assets of 880 and liabilities of 540 (in millions). Book value of equity = 880 − 540 = 340.
Quick example
A share price of 18.50 and 60 million shares: 18.50 × 60 = 1,110 million.
- 18.5×60= 1,110
- 18.5ENTER60× 1,110
ENTER enter (on the HP, puts the number on the stack)
Quick example
Price 30.00 and book value per share 12.50: 30.00 ÷ 12.50 = 2.40.
- 30÷12.5= 2.40
- 30ENTER12.5÷ 2.40
ENTER enter (on the HP, puts the number on the stack)
Quick example
Market capitalization 2,000, debt 700, no preferred shares, cash 250: 2,000 + 700 − 250 = 2,450.
- 2000+700−250= 2,450
- 2000ENTER700+250− 2,450
ENTER enter (on the HP, puts the number on the stack)
Quick example
Enterprise value 2,450 and EBITDA 350: 2,450 ÷ 350 = 7.0.
- 2450÷350= 7.0
- 2450ENTER350÷ 7.0
ENTER enter (on the HP, puts the number on the stack)
Module 6 Discounted Cash Flow and Growth Models
Dividend discount and free-cash-flow-to-equity models
Quick example
Dividends of 2.10 and 2.25 and an expected price of 55.00 at the end of year 2, required return 7%: 2.10 ÷ 1.07 + 57.25 ÷ 1.07² = 51.97.
- CF2NDCLR WORK
- 0ENTER↓2.1ENTER↓↓57.25ENTER
- NPV7ENTER↓CPT 51.967
CF cash flow worksheet · 2ND second function (the shifted label above a key) · CLR WORK clear the worksheet · ENTER enter (on the HP, puts the number on the stack) · NPV net present value · CPT compute
- fCLEAR REG
- 0gCF02.1gCFj57.25gCFj7i
- fNPV 51.967
f gold shift key · CLEAR REG clear all registers · g blue shift key · CF0 cash flow at time zero · CFj cash flow j · i interest rate per period · NPV net present value
Quick example
Cash flow from operations 275, capital expenditures 150, borrowed 55, repaid 20: 275 − 150 + 35 = 160.
- 275−150+(55−20)= 160
- 275ENTER150−55ENTER20−+ 160
ENTER enter (on the HP, puts the number on the stack)
Quick example
Cash rose 8, dividends 25, buybacks 30, new shares 5: 8 + 25 + 30 − 5 = 58.
- 8+25+30−5= 58
- 8ENTER25+30+5− 58
ENTER enter (on the HP, puts the number on the stack)
Quick example
Net income 90, capital expenditures 50, depreciation 20, Δworking capital 10, DR 25%: net investment 40, FCFE = 90 − 0.75 × 40 = 60.
- 50−20+10=×0.75=+|-+90= 60
+|- change sign
- 90ENTER50ENTER20−10+0.75×− 60
ENTER enter (on the HP, puts the number on the stack)
Quick example
Free cash flow to equity per share of 0.95 and 1.05 and an expected price of 25.00 at the end of year 2, r_e = 12%: 0.95 ÷ 1.12 + 26.05 ÷ 1.12² = 21.62.
- CF2NDCLR WORK
- 0ENTER↓0.95ENTER↓↓26.05ENTER
- NPV12ENTER↓CPT 21.6151
CF cash flow worksheet · 2ND second function (the shifted label above a key) · CLR WORK clear the worksheet · ENTER enter (on the HP, puts the number on the stack) · NPV net present value · CPT compute
- fCLEAR REG
- 0gCF00.95gCFj26.05gCFj12i
- fNPV 21.6151
f gold shift key · CLEAR REG clear all registers · g blue shift key · CF0 cash flow at time zero · CFj cash flow j · i interest rate per period · NPV net present value
Dividends, FCFE, FCFF or residual income: which cash flow, which discount rate
Quick example
Cash flow from operations 450, interest 50, tax 20%, capital expenditures 180: 450 + 40 − 180 = 310.
- 50×0.8+450−180= 310
- 450ENTER50ENTER0.8×+180− 310
ENTER enter (on the HP, puts the number on the stack)
Quick example
FCFE 120, interest 50, tax 20%, net borrowing 30: 120 + 40 − 30 = 130.
- 50×0.8+120−30= 130
- 120ENTER50ENTER0.8×+30− 130
ENTER enter (on the HP, puts the number on the stack)
Quick example
Net income 60, tax 25%, interest 15, depreciation 25: 80 + 15 + 25 = 120.
- 60÷0.75+15+25= 120
- 60ENTER0.75÷15+25+ 120
ENTER enter (on the HP, puts the number on the stack)
Quick example
EBITDA 300, tax 25%, depreciation 60, capital expenditures 90, Δworking capital 15: 225 + 15 − 90 − 15 = 135.
- 300×0.75=STO1
- 60×0.25+RCL1−90−15= 135
STO store · RCL recall a stored number
- 300ENTER0.75×60ENTER0.25×+90−15− 135
ENTER enter (on the HP, puts the number on the stack)
Constant growth models, implied growth and the sustainable growth rate
Quick example
Last dividend 2.40, g 2%, r_e 7%: D_{t+1} = 2.448 and 2.448 ÷ 0.05 = 48.96.
- 2.4×1.02÷(0.07−0.02)= 48.96
- 2.4ENTER1.02× D_{t+1}
- 0.07ENTER0.02− r_e − g
- ÷ 48.96
ENTER enter (on the HP, puts the number on the stack)
Quick example
Next year's FCFE 34 million, r_e 12%, g 4%, 20 million shares: 34 ÷ 0.08 = 425 million, 21.25 per share.
- 34÷(0.12−0.04)=÷20= 21.25
- 34ENTER0.12ENTER0.04−÷20÷ 21.25
ENTER enter (on the HP, puts the number on the stack)
Quick example
Next year's dividend 1.80, price 45.00, r_e 8.5%: 8.5% − 4.0% = 4.5%.
- 1.8÷45=+|-+0.085= 0.045
+|- change sign
- 0.085ENTER1.8ENTER45÷− 0.045
ENTER enter (on the HP, puts the number on the stack)
Quick example
Payout 40%, ROE 12%: 0.60 × 12% = 7.2%.
- 1−0.4=×0.12= 0.072
- 1ENTER0.4−0.12× 0.072
ENTER enter (on the HP, puts the number on the stack)
Quick example
FCFE is 70% of net income and ROE is 15%: 0.30 × 15% = 4.5%. FCFF is half of NOPAT and ROC is 11%: 5.5%.
- 1−0.7=×0.15= 0.045
- 1ENTER0.7−0.15× 0.045
ENTER enter (on the HP, puts the number on the stack)
Two-stage (multistage) growth models
Quick example
D_t = 1.50, growth 12% for two years then 3%, r_e = 10%. D_{t+1} = 1.68, D_{t+2} = 1.8816, IV_{t+2} = 1.938048 ÷ 0.07 = 27.6864. IV_t = 1.68 ÷ 1.10 + (1.8816 + 27.6864) ÷ 1.10² = 25.96.
- CF2NDCLR WORK
- 0ENTER↓1.68ENTER↓↓29.568ENTER
- NPV10ENTER↓CPT 25.9636
CF cash flow worksheet · 2ND second function (the shifted label above a key) · CLR WORK clear the worksheet · ENTER enter (on the HP, puts the number on the stack) · NPV net present value · CPT compute
- fCLEAR REG
- 0gCF01.68gCFj29.568gCFj10i
- fNPV 25.9636
f gold shift key · CLEAR REG clear all registers · g blue shift key · CF0 cash flow at time zero · CFj cash flow j · i interest rate per period · NPV net present value
Quick example
The last fast-stage dividend is 2.50 (year 3), g_l = 5%, r_e = 12%. D_{t+4} = 2.50 × 1.05 = 2.625 and IV_{t+3} = 2.625 ÷ 0.07 = 37.50.
- 2.5×1.05÷(0.12−0.05)= 37.5
- 2.5ENTER1.05× D_{t+4}
- 0.12ENTER0.05− r_e − g_l
- ÷ 37.5
ENTER enter (on the HP, puts the number on the stack)
Quick example
D_t = 1.20, three years at 15%, then 5%. D_{t+4} = 1.20 × 1.15³ × 1.05 = 1.9163.
- 1.2×1.15×1.15×1.15×1.05= 1.9163
- 1.2ENTER1.15×1.15×1.15×1.05× 1.9163
ENTER enter (on the HP, puts the number on the stack)
Discount rates and terminal values
Quick example
Debt 35% of market value, r_d 7%, tax 25%, r_e 11%: 0.35 × 5.25% + 0.65 × 11% = 1.84% + 7.15% = 8.99%.
- 0.35×7×0.75=STO1
- 0.65×11+RCL1= 8.9875
STO store · RCL recall a stored number
- 0.35ENTER7×0.75×0.65ENTER11×+ 8.9875
ENTER enter (on the HP, puts the number on the stack)
Quick example
Next year's FCFF 33, WACC 9.5%, g 2.5%, debt 180: 33 ÷ 0.07 = 471.43; equity 291.43.
- 33÷(0.095−0.025)=−180= 291.43
- 33ENTER0.095ENTER0.025−÷180− 291.43
ENTER enter (on the HP, puts the number on the stack)
Valuing preferred stock, and how call, put and conversion features change value
Quick example
Par (FV) of 50.00, annual dividend of 2.75, eight years to maturity, r_p = 6.25%. Value = 47.69, valued like a bond.
- 2NDCLR TVM
- 8N6.25I/Y2.75PMT50FV
- CPTPV −47.69
2ND second function (the shifted label above a key) · CLR TVM clear the time value of money keys · N number of periods · I/Y interest rate per year (per period when P/Y is 1) · PMT payment · FV future value · CPT compute · PV present value
- fCLEAR FIN
- 8n6.25i2.75PMT50FV
- PV −47.69
f gold shift key · CLEAR FIN clear the financial registers · n number of periods · i interest rate per period · PMT payment · FV future value · PV present value
Quick example
A 5.0% preferred share on par of 45.00 pays 2.25. At a required return of 7.5%, 2.25 ÷ 0.075 = 30.00.
- 0.05×45÷0.075= 30
- 0.05ENTER45×0.075÷ 30
ENTER enter (on the HP, puts the number on the stack)
Quick example
Dividend 4.40, price 52.00: 4.40 ÷ 52.00 = 8.46%.
- 4.4÷52= 0.0846
- 4.4ENTER52÷ 0.0846
ENTER enter (on the HP, puts the number on the stack)
Where DCF and growth models break down
Quick example
80% chance of a going-concern value of 50, 20% chance of 5 in distress: 0.80 × 50 + 0.20 × 5 = 41.00.
- 0.8×50=STO1
- 0.2×5+RCL1= 41
STO store · RCL recall a stored number
- 0.8ENTER50×0.2ENTER5×+ 41
ENTER enter (on the HP, puts the number on the stack)
Module 7 Relative Valuation with Multiples
Valuing with multiples: comparables and forecasted fundamentals
Quick example
A peer median price-to-earnings (P/E) ratio of 12.0 and company earnings per share (EPS) of 2.40 give 12.0 × 2.40 = 28.80 per share. Applied to total net income it gives a market capitalization instead.
- 12×2.4= 28.80
- 12ENTER2.4× 28.80
ENTER enter (on the HP, puts the number on the stack)
Quick example
Return on equity 17%, cost of equity 11%, growth 3%: (0.17 − 0.03) ÷ (0.11 − 0.03) = 0.14 ÷ 0.08 = 1.75.
- 0.17−0.03=÷(0.11−0.03)= 1.75
- 0.17ENTER0.03−0.11ENTER0.03−÷ 1.75
ENTER enter (on the HP, puts the number on the stack)
Quick example
Payout ratio 40% and return on equity 15%: 0.60 × 15% = 9.0%.
- 1−0.4=×0.15= 0.09
- 1ENTER0.4−0.15× 0.09
ENTER enter (on the HP, puts the number on the stack)
Quick example
A P/E of 24 with expected EPS growth of 12% (entered as 12) gives 24 ÷ 12 = 2.00.
- 24÷12= 2.00
- 24ENTER12÷ 2.00
ENTER enter (on the HP, puts the number on the stack)
Quick example
Estimated a = −0.80, b₁ = 20, b₂ = 25; a peer with ROE 12% and growth 3% is predicted at −0.80 + 2.40 + 0.75 = 2.35.
- 0.8+|-+(20×0.12)+(25×0.03)= 2.35
+|- change sign
- 0.8CHSENTER20ENTER0.12×+25ENTER0.03×+ 2.35
CHS change sign · ENTER enter (on the HP, puts the number on the stack)
Price multiples: P/E, earnings yield, P/S, P/B and dividend yield
Quick example
Price 54.00, trailing EPS 3.60 and forward EPS 4.00: trailing P/E 15.0 and forward P/E 13.5.
- 54÷3.6= 15.0
- 54÷4= 13.5
- 54ENTER3.6÷ 15.0
- 54ENTER4÷ 13.5
ENTER enter (on the HP, puts the number on the stack)
Quick example
Price 60.00, forward EPS 3.30, cost of equity 11%: earnings yield 5.5%, so PVGO ÷ P = 1 − 0.50 = 50%.
- 1−(3.3÷60÷0.11)= 0.50
- 1ENTER3.3ENTER60÷0.11÷− 0.50
ENTER enter (on the HP, puts the number on the stack)
Quick example
Payout 65%, cost of equity 11%, growth 3%: 0.65 × 1.03 ÷ 0.08 = 8.37.
- 0.65×1.03÷(0.11−0.03)= 8.37
- 0.65ENTER1.03×0.11ENTER0.03−÷ 8.37
ENTER enter (on the HP, puts the number on the stack)
Quick example
Average return on equity 11% and book value per share 20.00: normalized EPS = 0.11 × 20.00 = 2.20.
Quick example
Margin 12%, payout 65%, cost of equity 11%, growth 3%: 0.12 × 8.37 = 1.00.
- 0.12×0.65×1.03÷0.08= 1.00
- 0.12ENTER0.65×1.03×0.08÷ 1.00
ENTER enter (on the HP, puts the number on the stack)
Quick example
Price 35.00, book value per share 28.00 of which intangibles 8.00: P/B 1.25, price to tangible book 1.75.
Quick example
Cost of equity 12%, growth 5%: trailing 0.07 ÷ 1.05 = 6.67%, leading 7.00%.
- 0.12−0.05=÷1.05= 0.0667
- 0.12ENTER0.05−1.05÷ 0.0667
ENTER enter (on the HP, puts the number on the stack)
Quick example
Payout 50% and P/E 12.5: dividend yield = 0.50 ÷ 12.5 = 4.00%, so the actual P/E equals the payout ratio ÷ the dividend yield.
Quick example
Cost of equity 12.5%, growth 4.5%: 1 ÷ 0.08 = 12.5.
Enterprise value multiples
Quick example
Market capitalization 900, debt 350, preferred shares 50, cash 140: 900 + 350 + 50 − 140 = 1,160.
- 900+350+50−140= 1,160
- 900ENTER350+50+140− 1,160
ENTER enter (on the HP, puts the number on the stack)
Quick example
Debt 350 and equity 900 at market value: 1,250.
Quick example
Ratios to EBITDA: depreciation 0.20, capital expenditures 0.28, change in working capital 0.05; tax 25%; WACC 10.5%, g 3.5%: (0.75 + 0.05 − 0.28 − 0.05) ÷ 0.07 = 6.71.
- 0.75+(0.2×0.25)−0.28−0.05=÷0.07= 6.71
- 0.75ENTER0.2ENTER0.25×+0.28−0.05−0.07÷ 6.71
ENTER enter (on the HP, puts the number on the stack)
Quick example
Equity 700 and debt 450 at market; book equity 350, book debt 450; cash 90: value to book 1,150 ÷ 800 = 1.44, EV to book 1,060 ÷ 710 = 1.49.
Quick example
Return on capital 11%, reinvestment rate 20%, WACC 8%, g 2.2%: 0.088 ÷ 0.058 = 1.52.
- 0.11×0.8÷(0.08−0.022)= 1.52
- 0.11ENTER0.8×0.08ENTER0.022−÷ 1.52
ENTER enter (on the HP, puts the number on the stack)
Quick example
WACC 8.5%, g 3.5%: 1 ÷ 0.05 = 20.0.
Choosing a peer group for multiples
Quick example
Revenue 70% in a business whose peers trade at 9.0 times and 30% in one at 15.0 times: 6.3 + 4.5 = 10.8.
- 0.7×9+(0.3×15)= 10.8
- 0.7ENTER9×0.3ENTER15×+ 10.8
ENTER enter (on the HP, puts the number on the stack)
Quick example
Risk-free rate 4%, beta 1.2, expected market return 9%: 4% + 1.2 × 5% = 10.0%.
- 1.2×5+4= 10.0
- 1.2ENTER5×4+ 10.0
ENTER enter (on the HP, puts the number on the stack)
Trailing, current and forward multiples
Quick example
Price 54.00, trailing EPS 4.50 and consensus forward EPS 5.40: trailing P/E 12.0, forward P/E 10.0.
- 54÷4.5= 12.0
- 54÷5.4= 10.0
- 54ENTER4.5÷ 12.0
- 54ENTER5.4÷ 10.0
ENTER enter (on the HP, puts the number on the stack)
Quick example
Cash flows of 10 in year 1 and 12 in year 2, a terminal multiple of 10 on the year-2 figure, required return 12%: 10 ÷ 1.12 + (12 + 120) ÷ 1.2544 = 114.16.
- 10÷1.12+(132÷1.2544)= 114.16
- 10ENTER1.12÷132ENTER1.2544÷+ 114.16
ENTER enter (on the HP, puts the number on the stack)
Module 8 Financial Statement Forecasting
Why build a disaggregated model, and at what level of detail
Quick example
Free cash flow to the firm of 40 and 44 in two years, a terminal value of 900 at the end of year 2, and a weighted average cost of capital of 10%. 40 ÷ 1.10 + 44 ÷ 1.10² + 900 ÷ 1.10² = 816.53, the value of the firm before subtracting debt.
- 944÷1.21=STO1 780.17 (year 2 flow and terminal value)
- 40÷1.1+RCL1= 816.53
STO store · RCL recall a stored number
- 944ENTER1.21÷ 780.17
- 40ENTER1.1÷+ 816.53
ENTER enter (on the HP, puts the number on the stack)
Quick example
Next-year free cash flow to the firm of 50 and an enterprise value multiple of 14 times that cash flow give a firm value of 50 × 14 = 700.
- 50×14= 700
- 50ENTER14× 700
ENTER enter (on the HP, puts the number on the stack)
Quick example
Earnings per share grow 5% while the payout ratio goes from 20% to 25%. Dividends per share grow 1.05 × 25 ÷ 20 − 1 = 31.25%.
- 1.05×0.25÷0.2−1= 0.3125
- 1.05ENTER0.25×0.2÷1− 0.3125
ENTER enter (on the HP, puts the number on the stack)
Quick example
Revenue 200, cost of goods sold 110, selling, general and administrative expenses 40, depreciation and amortization 10, tax rate 30%. Operating profit is 40, so net operating profit after taxes is 40 × 0.70 = 28.
- 200−110−40−10=×0.7= 28
- 200ENTER110−40−10−0.7× 28
ENTER enter (on the HP, puts the number on the stack)
Quick example
Working capital rises by 5 and net long-term assets by 8, so net investment is 5 + 8 = 13.
Quick example
Net operating profit after taxes of 28 less net investment of 13 leaves free cash flow to the firm of 15.
- 28−13= 15
- 28ENTER13− 15
ENTER enter (on the HP, puts the number on the stack)
Revenue models: historical, bottom-up and top-down
Quick example
Revenue 80.0; volume +5%, average price +2%. 80.0 × 1.05 × 1.02 = 85.68, growth 7.1%, not 7.0%: the cross term is real.
- 80×1.05×1.02= 85.68
- 80ENTER1.05×1.02× 85.68
ENTER enter (on the HP, puts the number on the stack)
Quick example
Region A: market 1,000,000 units, share 10%, price 50. Region B: market 500,000 units, share 8%, price 80. Units sold are 100,000 and 40,000, so revenue is 5.0 million + 3.2 million = 8.2 million.
- 1000000×0.1×50=STO1 5000000
- 500000×0.08×80+RCL1= 8200000
STO store · RCL recall a stored number
- 1000000ENTER0.1×50×500000ENTER0.08×80×+ 8200000
ENTER enter (on the HP, puts the number on the stack)
Expense models: margins, itemization and operating leverage
Quick example
Intercept a = 0.010, slope b = 0.85, revenue growth 8%: 0.010 + 0.85 × 0.08 = 7.8%, so the margin rises.
- 0.85×0.08+0.01= 0.078
- 0.85ENTER0.08×0.01+ 0.078
ENTER enter (on the HP, puts the number on the stack)
Quick example
Revenue 400 → 432 (+8%), gross margin 30% → 32%. Cost of goods sold goes from 280 to 0.68 × 432 = 293.76: growth 4.9%.
- 432×0.68=÷280−1= 0.0491
- 432ENTER0.68×280÷1− 0.0491
ENTER enter (on the HP, puts the number on the stack)
Quick example
Fixed 100, variable 50% of revenue. Revenue 300: cost of goods sold 250, margin 16.7%. Revenue 360: cost 280, margin 22.2%.
- 0.5×360+100=÷360=+|-+1= 0.2222
+|- change sign
- 0.5ENTER360×100+360÷CHS1+ 0.2222
ENTER enter (on the HP, puts the number on the stack) · CHS change sign
Asset and financing models
Quick example
Intercept a = 0.03, slope b = 0.40, revenue growth 5%: asset growth is 0.03 + 0.40 × 0.05 = 5.0%. "Assets grow with revenue" means a = 0 and b = 1.
- 0.4×0.05+0.03= 0.05
- 0.4ENTER0.05×0.03+ 0.05
ENTER enter (on the HP, puts the number on the stack)
Quick example
Operating assets rise 60 and non-debt liabilities 14. Net income is 35 and dividends 10, so retained earnings rise 25. Financing needs are 60 − 14 − 25 = 21: money is required.
- 60−14−35+10= 21
- 60ENTER14−35−10+ 21
ENTER enter (on the HP, puts the number on the stack)
Quick example
Net income 20, gross long-term assets +30, depreciation 10, working capital +5, debt +12. FCFE = 20 − (30 − 10) − 5 + 12 = 7.
- 20−30+10−5+12= 7
- 20ENTER30−10+5−12+ 7
ENTER enter (on the HP, puts the number on the stack)
Quick example
Cash rises 3, dividends are 6, buybacks 2 and new shares 4. FCFE = 3 + 6 + 2 − 4 = 7, the same company as the card above.
- 3+6+2−4= 7
- 3ENTER6+2+4− 7
ENTER enter (on the HP, puts the number on the stack)
Scenario analysis with probability weights
Quick example
Three scenarios: 90 (probability 35%), 60 (40%) and −20 (25%). The negative value counts as zero, so the weighted value is 0.35 × 90 + 0.40 × 60 + 0.25 × 0 = 55.5.
- 0.35×90=STO1 31.5
- 0.4×60+RCL1= 55.5
STO store · RCL recall a stored number
- 0.35ENTER90×0.4ENTER60×+ 55.5
ENTER enter (on the HP, puts the number on the stack)
Model construction by company life cycle: from venture to decline
Quick example
Expected cash flows of 10 and 12, a terminal value of 200 at the end of year 2, required return 12%. 10 ÷ 1.12 + (12 + 200) ÷ 1.12² = 177.93.
- 212÷1.2544=STO1 169.01
- 10÷1.12+RCL1= 177.93
STO store · RCL recall a stored number
- 212ENTER1.2544÷ 169.01
- 10ENTER1.12÷+ 177.93
ENTER enter (on the HP, puts the number on the stack)
Quick example
Revenue of 40 at the horizon, a price-to-sales multiple of 3 and a target return of 10 times the money: 40 × 3 ÷ 10 = 12.0, the post-money value.
- 40×3÷10= 12
- 40ENTER3×10÷ 12
ENTER enter (on the HP, puts the number on the stack)
Quick example
A target IRR of 30% a year for 4 years means an ROI of 1.30⁴ = 2.8561 times the original investment.
- 1.3y^x4= 2.8561
y^x power
- 1.3ENTER4y^x 2.8561
ENTER enter (on the HP, puts the number on the stack) · y^x power
Quick example
A post-money value of 80 with 20 of new equity means a pre-money value of 80 − 20 = 60.
Quick example
New equity of 20 into a post-money value of 80 buys 20 ÷ 80 = 25% of the company.
- 20÷80= 0.25
- 20ENTER80÷ 0.25
ENTER enter (on the HP, puts the number on the stack)
Quick example
Net income of 8 at the horizon, a price-to-earnings multiple of 12 and a target return of 4 times the money: 8 × 12 ÷ 4 = 24.0.
- 8×12÷4= 24
- 8ENTER12×4÷ 24
ENTER enter (on the HP, puts the number on the stack)
Quick example
A going-concern value of 100, a 20% chance of distress and a distress sale worth 30 today: 0.80 × 100 + 0.20 × 30 = 86.
- 0.2×30=STO1 6
- 0.8×100+RCL1= 86
STO store · RCL recall a stored number
- 0.2ENTER30×0.8ENTER100×+ 86
ENTER enter (on the HP, puts the number on the stack)
From the forecast model to an equity value
Quick example
Free cash flow to the firm 30, net operating profit after taxes 40, capital at the start of the year 250. Reinvestment rate 1 − 30 ÷ 40 = 25%, return on capital 40 ÷ 250 = 16%, so growth is 0.25 × 0.16 = 4.0%.
- 30÷40=+|-+1=×40÷250= 0.04
+|- change sign
- 1ENTER30ENTER40÷−40×250÷ 0.04
ENTER enter (on the HP, puts the number on the stack)
Quick example
Final-year free cash flow to the firm of 30, growth of 4.0% and a weighted average cost of capital of 9%: 30 × 1.04 ÷ (0.09 − 0.04) = 624.
- 30×1.04÷(0.09−0.04)= 624
- 30ENTER1.04×0.09ENTER0.04−÷ 624
ENTER enter (on the HP, puts the number on the stack)
Quick example
A terminal firm value of 624 against final-year operating profit (EBIT) of 52 implies 624 ÷ 52 = 12.0 times EBIT. Compare that with peers.
- 624÷52= 12
- 624ENTER52÷ 12
ENTER enter (on the HP, puts the number on the stack)
Quick example
Free cash flows of 10 and 12, a terminal value of 200 at the end of year 2, a weighted average cost of capital of 10% and debt of 50: 10 ÷ 1.10 + (12 + 200) ÷ 1.10² − 50 = 134.30.
- 212÷1.21=STO1 175.21
- 10÷1.1+RCL1−50= 134.30
STO store · RCL recall a stored number
- 212ENTER1.21÷ 175.21
- 10ENTER1.1÷+50− 134.30
ENTER enter (on the HP, puts the number on the stack)
Module 9 Industry and Competitive Analysis
Industry size, growth, profitability and concentration
Quick example
Operating income EUR 0.88 billion on revenue of EUR 5.50 billion. 0.88 ÷ 5.50 = 16.0%.
- 0.88÷5.5= 0.16
- 0.88ENTER5.5÷ 0.16
ENTER enter (on the HP, puts the number on the stack)
Quick example
Net operating profit after taxes (NOPAT) EUR 0.66 billion; invested capital (long-term liabilities plus equity) EUR 6.2 billion at the start and EUR 6.8 billion at the end. 0.66 ÷ 6.5 = 10.15%.
- 6.2+6.8=÷2=1/x×0.66= 0.1015
1/x reciprocal
- 0.66ENTER6.2ENTER6.8+2÷÷ 0.1015
ENTER enter (on the HP, puts the number on the stack)
Quick example
ROIC 10.15% against WACC 8.00%: spread 2.15 points, ratio 10.15 ÷ 8.00 = 1.27. Above 0 (or above 1) means the industry earns more than investors require.
- 10.15÷8= 1.27
- 10.15ENTER8÷ 1.27
ENTER enter (on the HP, puts the number on the stack)
Quick example
Five equal firms with 20% each. 5 × 20² = 2,000: above 1,800, so highly concentrated. A 50% share is typed as 50, never 0.50. Monopoly = 100² = 10,000.
- 20x²+20x²+20x²+20x²+20x²= 2000
x² square
- 20ENTER×20ENTER×+20ENTER×+20ENTER×+20ENTER×+ 2000, ENTER then × squares
ENTER enter (on the HP, puts the number on the stack)
Quick example
Firms with 25% and 12% shares merge. 2 × 25 × 12 = +600. Check: (25 + 12)² − 25² − 12² = 1,369 − 625 − 144 = 600. More than 100 points in a market above 1,800 draws closer scrutiny.
- 2×25×12= 600
- 2ENTER25×12× 600
ENTER enter (on the HP, puts the number on the stack)
Module 10 Company Analysis
Competitive strategy: cost leadership, differentiation and focus
Quick example
Revenue passenger kilometers (RPK) of 1,440 million on available seat kilometers (ASK) of 1,800 million: 1,440 ÷ 1,800 = 80.0%.
- 1440÷1800= 0.8
- 1440ENTER1800÷ 0.8
ENTER enter (on the HP, puts the number on the stack)
Revenue drivers and pricing power
Quick example
Segment A sells 3.0 million units at 20; segment B sells 1.2 million units at 35. 3.0 × 20 + 1.2 × 35 = 60 + 42 = 102.
- (3×20)+(1.2×35)= 102
- 3ENTER20×1.2ENTER35×+ 102
ENTER enter (on the HP, puts the number on the stack)
Quick example
Volume +12%, average price −2%. 1.12 × 0.98 − 1 = 9.76%. Adding the rates (10%) is the trap.
- 1.12×0.98−1= 0.0976
- 1.12ENTER0.98×1− 0.0976
ENTER enter (on the HP, puts the number on the stack)
Quick example
An obtainable market of 800 that grows 5%, and a share rising to 15%: 800 × 1.05 × 0.15 = 126.0.
- 800×1.05×0.15= 126
- 800ENTER1.05×0.15× 126
ENTER enter (on the HP, puts the number on the stack)
Operating profitability and working capital
Quick example
Revenue 500, EBITDA 100, D&A 45, interest 25, tax 25%. EBITDA margin 20.0%; operating income 55, 11.0%; net income (55 − 25) × 0.75 = 22.5, 4.5%.
- 100−45=÷500= 0.11
- 55−25=×0.75=÷500= 0.045
- 100ENTER45−500÷ 0.11
- 55ENTER25−0.75×500÷ 0.045
ENTER enter (on the HP, puts the number on the stack)
Quick example
A firm sells 2.0 million units at 12 with variable cost of 7 and fixed costs of 6.0 million. 2.0 × (12 − 7) − 6.0 = 4.0 million.
- 2×(12−7)−6= 4
- 12ENTER7−2×6− 4
ENTER enter (on the HP, puts the number on the stack)
Quick example
DOH 58, DSO 32, DPO 40. 58 + 32 − 40 = 50 days. Negative means suppliers fund the operating cycle.
- 58+32−40= 50
- 58ENTER32+40− 50
ENTER enter (on the HP, puts the number on the stack)
Quick example
Inventory 1.2, receivables 1.5, payables 1.0; revenue 18.0, cost of sales 10.0. DOH 1.2 ÷ 10.0 × 365 = 43.8; DSO 1.5 ÷ 18.0 × 365 = 30.4; DPO 1.0 ÷ 10.0 × 365 = 36.5 days. Inventory and payables go with cost of sales, receivables with revenue.
- 1.2÷10×365= 43.8
- 1.5÷18×365= 30.4167
- 1÷10×365= 36.5
- 1.2ENTER10÷365× 43.8
- 1.5ENTER18÷365× 30.4167
- 1ENTER10÷365× 36.5
ENTER enter (on the HP, puts the number on the stack)
Capital investments and capital structure
Quick example
Net income (NI) 60, depreciation and amortization (D&A) 30, increase in working capital 10, investment in long-term assets 55, net borrowing 15: 60 + 30 − 10 − 55 + 15 = 40.
- 60+30−10−55+15= 40
- 60ENTER30+10−55−15+ 40
ENTER enter (on the HP, puts the number on the stack)
Quick example
Capital expenditure 2.0, D&A 1.2: 2.0 − 1.2 = 0.8, so capacity is growing. Negative means the asset base is shrinking.
Quick example
Net operating profit after taxes (NOPAT) 54, invested capital 420 at the start and 480 at the end. 54 ÷ 450 = 12.0%.
- 420+480=÷2=STO1 450
- 54÷RCL1= 0.12
STO store · RCL recall a stored number
- 54ENTER420ENTER480+2÷÷ 0.12
ENTER enter (on the HP, puts the number on the stack)
Quick example
ROIC 12.0%, weighted average cost of capital (WACC) 9.5%: 12.0 − 9.5 = +2.5 points. As a ratio, 12.0 ÷ 9.5 = 1.26, above 1.
- 0.12−0.095= 0.025
- 0.12ENTER0.095− 0.025
ENTER enter (on the HP, puts the number on the stack)
Quick example
Operating income rises 10% and net income rises 14%. 14 ÷ 10 = 1.4.
- 14÷10= 1.4
- 14ENTER10÷ 1.4
ENTER enter (on the HP, puts the number on the stack)
Quick example
Operating income (EBIT) 70, fixed interest 20. 70 ÷ (70 − 20) = 1.4. A shortcut that follows from the definition when interest is fixed and the tax rate constant.
- 70÷(70−20)= 1.4
- 70ENTER70ENTER20−÷ 1.4
ENTER enter (on the HP, puts the number on the stack)
Quick example
Debt 10.0, total assets 22.0: 45.5%.
- 10÷21= 0.4762
- 10ENTER21÷ 0.4762
ENTER enter (on the HP, puts the number on the stack)
Quick example
Earnings before interest, taxes, depreciation, and amortization (EBITDA) 4.2, interest 1.0: 4.2 times.
- 4.2÷1= 4.2
- 4.2ENTER1÷ 4.2
ENTER enter (on the HP, puts the number on the stack)
Module 11 Equity Research Reports
Equity research reports: contents, ratings and price targets
Quick example
A share trades at 2,500 Japanese yen and the one-year target is 2,900 yen. (2,900 − 2,500) ÷ 2,500 = 400 ÷ 2,500 = 16.0%.
- 2900−2500=÷2500= 0.16
- 2900ENTER2500−2500÷ 0.16
ENTER enter (on the HP, puts the number on the stack)
Why two analysts using the same model get different values
Quick example
Free cash flow to equity (FCFE) of 150, 260 and 380 over three years, 450 in year 4, cost of equity 10% and long-run growth 5%. 636.74 + (450 ÷ 0.05) ÷ 1.331 = 636.74 + 6,761.83 = 7,398.57.
- CF2NDCLR WORK
- 0ENTER↓150ENTER↓↓260ENTER↓↓380ENTER
- NPV10ENTER↓CPTSTO2 636.74
- 2NDQUIT
- 1.1y^x3=STO1 1.331
- 450÷0.05÷RCL1+RCL2= 7,398.57
CF cash flow worksheet · 2ND second function (the shifted label above a key) · CLR WORK clear the worksheet · ENTER enter (on the HP, puts the number on the stack) · NPV net present value · CPT compute · STO store · QUIT leave the worksheet · y^x power · RCL recall a stored number
- fCLEAR REG
- 0gCF0150gCFj260gCFj380gCFj
- 10ifNPV 636.74
- 450ENTER0.05÷1.1ENTER3y^x÷+ 7,398.57
f gold shift key · CLEAR REG clear all registers · g blue shift key · CF0 cash flow at time zero · CFj cash flow j · i interest rate per period · NPV net present value · ENTER enter (on the HP, puts the number on the stack) · y^x power
Quick example
Market value 2,000, cost of equity 9%, FCFE of 60 and 80 in years 1 and 2, 95 in year 3. (2,000 − 122.38) × 1.09² = 2,230.80; yield 95 ÷ 2,230.80 = 4.26%; g_l = 9% − 4.26% = 4.74%.
- CF2NDCLR WORK
- 0ENTER↓60ENTER↓↓80ENTER
- NPV9ENTER↓CPTSTO2 122.38
- 2NDQUIT
- 1.09y^x2=STO1 1.1881
- 2000−RCL2=×RCL1= 2,230.80
- 1/x×95= 0.0426
- +|-+0.09= 0.0474
CF cash flow worksheet · 2ND second function (the shifted label above a key) · CLR WORK clear the worksheet · ENTER enter (on the HP, puts the number on the stack) · NPV net present value · CPT compute · STO store · QUIT leave the worksheet · y^x power · RCL recall a stored number · 1/x reciprocal · +|- change sign
- fCLEAR REG
- 0gCF060gCFj80gCFj
- 9ifNPV 122.38
- CHS2000+ 1,877.62
- 1.09ENTER2y^x× 2,230.80
- 1/x95× 0.0426
- CHS0.09+ 0.0474
f gold shift key · CLEAR REG clear all registers · g blue shift key · CF0 cash flow at time zero · CFj cash flow j · i interest rate per period · NPV net present value · CHS change sign · ENTER enter (on the HP, puts the number on the stack) · y^x power · 1/x reciprocal
Quick example
Net income 540, net investment 150, net debt issued 60. 540 − 150 + 60 = 450.
- 540−150+60= 450
- 540ENTER150−60+ 450
ENTER enter (on the HP, puts the number on the stack)
Quick example
Net income 540, net investment 150, net debt issued 60. (150 − 60) ÷ 540 = 16.67%, the same as 1 − 450 ÷ 540.
- 150−60=÷540= 0.1667
- 150ENTER60−540÷ 0.1667
ENTER enter (on the HP, puts the number on the stack)
Quick example
Net income 200, net investment 130, net debt issued 30, return on equity (ROE) 14%. Reinvestment rate (130 − 30) ÷ 200 = 50%, and 50% × 14% = 7.0%.
- 130−30=÷200=×0.14= 0.07
- 130ENTER30−200÷0.14× 0.07
ENTER enter (on the HP, puts the number on the stack)
Module 12 The CAPM, the Market Model and Factor Models
Estimating the cost of equity with the CAPM and the market model
Quick example
Risk-free rate 2.0%, expected market return 8.0%, beta 1.25. The premium is 8.0 − 2.0 = 6.0%, so the cost of equity is 2.0 + 1.25 × 6.0 = 9.50%.
- 8−2=×1.25+2= 9.5
- 8ENTER2−1.25×2+ 9.5
ENTER enter (on the HP, puts the number on the stack)
Quick example
Correlation 0.80, stock volatility 24%, market volatility 16%. Beta = 0.80 × 24 ÷ 16 = 1.20.
- 0.8×24÷16= 1.2
- 0.8ENTER24×16÷ 1.2
ENTER enter (on the HP, puts the number on the stack)
Quick example
Beta 0.85, stock volatility 34%, market volatility 20%. Correlation = 0.85 × 20 ÷ 34 = 0.50.
- 0.85×20÷34= 0.5
- 0.85ENTER20×34÷ 0.5
ENTER enter (on the HP, puts the number on the stack)
Quick example
With α = 0 and β = 1.2, a week in which the market beats the risk-free rate by 1.0% predicts a stock excess return of 1.2 × 1.0 = 1.2%.
Quick example
α = 0.05% a week, β = 1.10, market return 0.80% in the week. The fitted stock return is 0.05 + 1.10 × 0.80 = 0.93%.
- 1.1×0.8+0.05= 0.93
- 1.1ENTER0.8×0.05+ 0.93
ENTER enter (on the HP, puts the number on the stack)
Quick example
Raw beta 1.60 with weights of two-thirds and one-third: (2/3)(1.60) + (1/3)(1.0) = 1.40.
- 1.6×2+1=÷3= 1.4, two parts raw plus one part 1.0, over three
- 1.6ENTER2×1+3÷ 1.4
ENTER enter (on the HP, puts the number on the stack)
Arbitrage pricing theory and multi-factor models
Quick example
Risk-free rate 2.5%; exposure 1.1 to a factor with a 4.0% premium and −0.6 to a factor with a 3.0% premium. 2.5 + 1.1 × 4.0 − 0.6 × 3.0 = 2.5 + 4.4 − 1.8 = 5.1%.
- 1.1×4−(0.6×3)+2.5= 5.1
- 1.1ENTER4×0.6ENTER3×−2.5+ 5.1
ENTER enter (on the HP, puts the number on the stack)
Quick example
Risk-free rate 2.5%; betas 1.05, 0.30, −0.25, 0.15; annual premiums 5.2%, 1.5%, 3.0%, 4.0%. 2.5 + 5.46 + 0.45 − 0.75 + 0.60 = 8.26%.
- 1.05×5.2+(0.3×1.5)−(0.25×3)+(0.15×4)+2.5= 8.26
- 1.05ENTER5.2×0.3ENTER1.5×+0.25ENTER3×−0.15ENTER4×+2.5+ 8.26
ENTER enter (on the HP, puts the number on the stack)
Quick example
Monthly premiums 0.55%, 0.20%, 0.30%, 0.50% become 6.6%, 2.4%, 3.6%, 6.0%. With a 4.0% risk-free rate and betas 1.30, −0.30, −0.80, 0.10: 4.0 + 8.58 − 0.72 − 2.88 + 0.60 = 9.58%.
- 1.3×6.6−(0.3×2.4)−(0.8×3.6)+(0.1×6)+4= 9.58
- 1.3ENTER6.6×0.3ENTER2.4×−0.8ENTER3.6×−0.1ENTER6×+4+ 9.58
ENTER enter (on the HP, puts the number on the stack)
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