MFLens Learn
Understand Mutual Fund Risk Ratios
Trailing returns tell you what happened. These 11 ratios tell you how it happened — and whether the ride was worth it. Each guide below explains a ratio in plain English, shows the formula, walks through a real example, and tells you what a good number looks like.
Fund Basics
Risk-Adjusted Return
SR
Sharpe Ratio
Return earned per unit of total risk taken.
SO
Sortino Ratio
Like Sharpe, but only penalises harmful downward volatility.
TR
Treynor Ratio
Return earned per unit of systematic (market) risk.
CR
Calmar Ratio
Annual return divided by maximum drawdown — rewards returns with crash protection.
Return Attribution
Market Sensitivity
Capture & Drawdown
Ready to check these ratios for a real fund?
MFLens shows all 11 ratios across 1Y / 3Y / 5Y / 7Y / 10Y rolling windows.