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Measuring return on investment
ROI = (final value − initial investment) ÷ initial investment × 100. It shows how much you gained or lost relative to what you put in.
Because ROI ignores time, the annualized return (CAGR) is also shown: (final ÷ initial)^(1 ÷ years) − 1. It lets you compare investments held for different periods. Fees and taxes are not included.