Compound interest Compound annual growth rate After-tax returns Price-earnings to growth ratio (PEG) Rule of 72 Rule of 20 Asset class comparison
Future value = starting value x (1+interest) n Compound annual growth rate = (future value/starting value)(n-1) - 1 After-tax return = return x (1 - tax rate) PEG ratio = PER / earnings growth Years to double your money = 72 / annual return Rule of 20 measure = PER + inflation rate<CPI> Return on share = All Ords div yield + earning growth – 3% risk premium Return on bonds = 10 year government bond yields Return on cash = yield on cash management trust of major bank or high-interest savings account
Proxy for earnings growth = GDP + inflation Higher than 20 s considered pricey