Find out how much you really earned when your investment return is adjusted for inflation.
Fisher Equation
Real Return = ((1 + Nominal Return) / (1 + Inflation)) - 1 Simple approximation: Real Return ≈ Nominal Return - Inflation
Nominal return is misleading. Even if your investment gains 40%, if inflation is 35%, you only achieved a 3.7% real return. Wealth building only occurs when real return is positive.
If real return is negative, your purchasing power has decreased even though you nominally made money. This happens most with cash, low-interest deposits, and demand accounts.
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