Enter Portfolio Inputs
The calculator uses annualized return and maximum drawdown to estimate Calmar performance. Enter manual drawdown, or enter peak and trough values to derive it.
Example Data Table
Use these sample cases to understand how return strength and drawdown depth influence the ratio.
| Strategy | Start | End | Years | Peak | Trough | Annualized Return | Max Drawdown | Calmar Ratio |
|---|---|---|---|---|---|---|---|---|
| Growth Alpha | 100,000 | 140,000 | 3 | 150,000 | 120,000 | 11.87% | 20.00% | 0.59 |
| Steady Income | 50,000 | 68,000 | 4 | 72,000 | 61,200 | 8.00% | 15.00% | 0.53 |
| Volatile Tactical | 80,000 | 76,000 | 2 | 90,000 | 72,000 | -2.53% | 20.00% | -0.13 |
Formula Used
1) Annualized Return
CAGR = ((Ending Value / Starting Value) ^ (1 / Years)) - 1
This shows the compounded yearly return across the full holding period.
2) Maximum Drawdown
Max Drawdown = ((Peak - Trough) / Peak) × 100
This measures the worst observed fall from a portfolio high to the next low.
3) Calmar Ratio
Calmar Ratio = Annualized Return / Maximum Drawdown
Higher values indicate stronger reward relative to downside risk.
Optional excess-return version
Excess Calmar Ratio = (Annualized Return − Risk-Free Rate) / Maximum Drawdown
How to Use This Calculator
- Enter a strategy name to personalize the result report.
- Add starting and ending portfolio values for the review period.
- Enter the investment period in years.
- Add a risk-free rate if you also want excess-return analysis.
- Provide manual maximum drawdown, or enter peak and trough values.
- Choose decimal precision for your report output.
- Press the calculate button to show results above this form.
- Review the metric cards, interpretation, and graph.
- Use the CSV and PDF buttons to export your report.
Why investors use the Calmar ratio
The Calmar ratio helps compare return quality while keeping downside pain visible. Two strategies may earn similar returns, but the one with smaller and shallower losses is often easier to hold through market stress. That is why this ratio is popular in hedge fund, tactical allocation, and portfolio review workflows.
FAQs
1) What is the Calmar ratio?
It measures annualized return relative to maximum drawdown. It helps show whether a strategy earned enough return for the worst loss investors had to tolerate during the measured period.
2) Is a higher Calmar ratio better?
Yes. A higher value usually means stronger return per unit of downside risk. It suggests the strategy handled drawdowns more efficiently than another strategy with the same or lower return.
3) Can the Calmar ratio be negative?
Yes. A negative ratio appears when annualized return is negative. That means the strategy lost money overall while still experiencing downside risk.
4) What drawdown should I enter?
Use the worst peak-to-trough decline from the review period. If you know the portfolio high and low, enter both values to derive drawdown automatically instead of typing the percentage manually.
5) How is it different from the Sharpe ratio?
The Sharpe ratio uses volatility as the risk measure. The Calmar ratio uses maximum drawdown, so it focuses more on severe downside loss than on day-to-day return variability.
6) Does the time period matter?
Yes. A short period can hide major drawdowns or exaggerate recent gains. Longer periods usually provide a more balanced view of return durability and downside behavior.
7) What if maximum drawdown is zero?
The ratio becomes undefined because division by zero is not valid. In practice, a true zero drawdown over meaningful time is rare, so the data should be reviewed carefully.
8) Can I compare multiple strategies with this tool?
Yes. Run each strategy with the same time horizon and consistent drawdown method. That keeps comparisons fair and makes the resulting Calmar ratios more useful.