Glossary term
Rate of Return
Rate of return measures the gain or loss on an investment compared with the amount invested.
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What Is Rate of Return?
Rate of return measures the gain or loss on an investment compared with the amount invested. It helps investors move beyond dollar gains and ask a better question: how much did the investment earn relative to the money at work?
A rate of return can be positive, negative, nominal, real, annualized, before-tax, or after-tax depending on what is being measured.
Key Takeaways
- Rate of return compares investment gain or loss with the starting investment amount.
- It is usually shown as a percentage.
- Different return measures can answer different questions.
- Fees, taxes, timing, and inflation can materially change the result.
- A higher return is not automatically better if it required much higher risk.
Rate of Return Formula
A simple holding-period return formula is:
Income can include dividends, interest, or other cash distributions. If there are contributions or withdrawals during the period, a more detailed return calculation may be needed.
Common Return Measures
Return measure | What it emphasizes |
|---|---|
Nominal return | Return before adjusting for inflation |
Real return | Return after adjusting for inflation |
Total return | Price change plus income |
Annualized return | Average yearly return over a multi-year period |
After-tax return | Return after taxes are considered |
Why Rate of Return Matters
Rate of return helps investors compare opportunities with different dollar amounts. A $1,000 gain on a $10,000 investment is very different from a $1,000 gain on a $100,000 investment.
It also helps connect performance to goals. Retirement planning, portfolio reviews, savings projections, and investment comparisons all depend on reasonable return assumptions.
Limits of Rate of Return
Return does not describe risk by itself. A portfolio can produce a strong return while taking concentrated risk, using leverage, or benefiting from a temporary market cycle. Return should be weighed against volatility, time horizon, liquidity, taxes, and the investor's actual goal.
The Bottom Line
Rate of return measures investment gain or loss relative to the amount invested. It is one of the most useful investment measures, but it should be interpreted with risk, inflation, taxes, fees, and time period in mind.