Investments

Future Value (FV)
Present Value (PV)
Discount Rate (r)
Period (n)

FV = PV * (1+r)^n
FV = Principal + simple interest + compound interest

Return = (Price_current – Price_past + Dividend) / Price_past

Arithmetic Average Return = 1/n (r1 + r2 + r3 + … + rn)

Geometric Average Return = [(1+r1)(1+r2)(1+r3)…(1+rn)]^1/n – 1

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