ROI Calculator
Return on investment, total and annualized.
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Net gain / (loss)
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ROI
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Annualized ROI
ROI = (return − cost) ÷ cost. The annualized figure compounds the total over the holding time, which is what makes a 40% gain over 5 years look ordinary rather than stellar.
使用方法
- 一切都在您的浏览器本地运行：不会上传任何数据，无需账户。
关于
Enter what you put in and what came back to get net gain, plain ROI percentage, and an annualized rate that compounds over the holding period.
Comparing two investments is only honest in annualized terms — a 40% gain over 5 years beats a 30% one only if the time bases are handled, which this does.
一切都在您的浏览器本地运行：不会上传任何数据，无需账户。
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