Calculate your actual returns
Most investors eyeball their returns: "I think I'm up about 15%?" This calculator gives you precise numbers. Enter your initial investment, final value, and time period. Get your total return, annualized return (CAGR), and simple ROI. Factor in dividends, fees, taxes, and additional contributions for complete accuracy.
Understanding return metrics
Total Return: The overall percentage gain or loss. Simple math: (Ending Value - Starting Value) / Starting Value. Example: $10k to $15k = 50% total return.
CAGR (Compound Annual Growth Rate): The smoothed annual return if your investment grew at a steady rate. More useful than total return for comparing across different time periods. A 50% return over 5 years = 8.45% CAGR.
ROI (Return on Investment): Similar to total return but can include additional costs like fees, taxes, or reinvested dividends. Shows the actual money made versus money invested.
Why you need to know your returns
Without tracking returns, you're flying blind. You can't tell if your strategy is working or if you'd be better off in index funds. Calculating CAGR lets you compare your results to the S&P 500 (~10% annually long-term). If you're underperforming after fees and effort, maybe active stock picking isn't worth it. Know your numbers, adjust your strategy.
Common return calculation mistakes
- Forgetting to include dividends (huge error for dividend stocks and index funds)
- Not accounting for additional contributions (makes returns look better than they are)
- Ignoring fees and taxes (the IRS and your broker take their cut)
- Using simple average instead of CAGR (doesn't account for compounding)
- Cherry-picking time periods (everyone's a genius in a bull market)
Ready to put this into practice?
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