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Measure drawdown with recovery analysis table.
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Drawdown Calculator measures the decline from a peak to a trough as a percentage, and the gain needed to recover, a fundamental risk metric for investing and trading that returns alone don't reveal.
Drawdown is (peak − trough) ÷ peak × 100, so a fall from $100k to $70k is a 30% drawdown, and maximum drawdown (the worst such drop over a period) captures how much pain a strategy can inflict, something average returns conveniently hide.
The most important lesson it teaches is the asymmetry of recovery: a 50% loss requires a 100% gain to get back to even, not 50%, because you're rebuilding from a smaller base. The deeper the drawdown, the disproportionately harder the climb back, which is exactly why limiting drawdowns matters more than chasing extra gains, and why deep losses are so damaging both mathematically and psychologically.
That makes max drawdown a key risk gauge: two strategies with equal average returns can differ wildly in worst-case pain, and a severe drawdown tests nerve (many sell at the bottom). Prevention, via diversification and position sizing, beats recovery. It's informational, not financial advice, and runs in your browser. Pair it with the Risk-Reward and Position Size calculators.
| Price | Free, no signup, no paywall, no watermark |
|---|---|
| Works on | Any modern browser: desktop, tablet, and mobile |
| Processing | In your browser, files never leave your device |
| Account required | None |
| Category | Business Tools |
Enter the peak value and the trough (lowest) value
The tool calculates the drawdown percentage
See the gain required to recover to the peak
Use it to assess risk and recovery
Calculates drawdown, the decline from a peak to a trough
Shows the percentage drop and recovery needed
A key risk metric for investing and trading
Instant results as you type
Runs in your browser, your figures stay on your device
Free, with no signup and no limit on calculations
Measuring how far an investment fell from its peak
Understanding the recovery needed after a loss
Assessing the risk/volatility of a strategy
Tracking maximum drawdown
Recovery needs more than the loss: a 50% drop requires a 100% gain to get back, limit drawdowns
Judge strategies by max drawdown, not just average return, it reveals worst-case risk
Diversification and position sizing prevent deep drawdowns; prevention beats recovery
Common questions about this tool, its workflow, and what to expect before you use it.
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Measure drawdown with recovery analysis table.
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