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Selected Financial Formulae Purpose Basic Time Value Formulae Future Value of a Single Sum Present Value of a Single Sum FV = PV 1 + i N FV PV = ----------------- 1 + iN FV ln ------ PV N = -------------------ln 1 + i i =
N
Formula
Solve for N for a Single Sum
Solve for i for a Single Sum Present Value of an Ordinary Annuity
FV – 1 -----PV
1 – 1 1 + i N PV A = Pmt ---------------------------------i 1 + i N – 1 FV A = Pmt --------------------------i
1 – 1 1 + i N – 1PV Ad = Pmt -------------------------------------------- + Pmt i
Future Value of an Ordinary Annuity
Present Value of an Annuity Due
Future Value of an Annuity Due Present Value of an Annuity Growing at a Constant Rate (g) Future Value of an Annuity Growing at a Constant Rate (g) Holding Period Return (single period)
1 + i N – 1 FV Ad = Pmt --------------------------- 1 + i i Pmt 1 1+g N PV GA = ------------ 1 – ----------- 1 + i i–g Pmt 1 1+g N N FV GA = ------------ 1 – ----------- 1 + i 1 + i i–g P 1 + Cash Flows HPR = ---------------------------------------------- – 1 P0
Basic Financial Formulae © 1995-2011 by Timothy R. Mayes, Ph.D.
1
Selected Financial Formulae Purpose Formula
Holding Period Return with Reinvestment (for multiple sub-period returns)
HPR Reinvest =
t=1
1 + HPRt – 1
N
Basic Security Valuation Formulae Dividend Discount Model (AKA, the Gordon Model) Two-stage Dividend Discount Model Notes: This equation is too long for one line. g1 = Growth rate during high growth phase. g2 = Growth in constant growth phase after n. n = Length of high growth phase. Assume g1 kCS and g2 < kCS Three-stage Dividend Discount Model Notes: n1 = Length of high growth phase. n2 = Periods until constant growth phase. n2 = n1 + length of transistion phase. Earnings Model Constant Growth FCF Valuation Model
VOps = Value of Total Operations VDebt, VPref = Value of debt and...