Treynor Ratio Calculator

Written by Great Medico

Updated September 25, 2026 •2 min read

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Rather than hiding the math, Treynor Ratio Calculator connects the displayed inputs directly to the result. That makes recalculation straightforward when one assumption, price, rate, or balance changes.

What this calculator does

Treynor Ratio Calculator measures excess return above the risk-free rate per unit of portfolio beta. It works from portfolio return, risk-free rate, and portfolio beta. For Treynor Ratio Calculator, the output therefore reflects the entered scenario rather than a hidden market-data feed or a preselected analyst assumption.

How to use it

Provide Portfolio return, Risk-free rate, and Portfolio beta before calculating the result. For Treynor Ratio Calculator, enter percentage or rate fields on the scale displayed by the form rather than converting them to an unstated format. Before calculating, recheck Portfolio return, Risk-free rate, Portfolio beta against the source numbers you intend to analyze.

How the calculation works

Treynor ratio = (portfolio return − risk-free rate) ÷ portfolio beta. Treynor Ratio Calculator evaluates the stated relationship from the form values that the calculation actually uses. For Treynor Ratio Calculator, the equation reflects the form entries directly, making input review the first step when a result does not look plausible.

Example

A 10% portfolio return, 3% risk-free rate, and beta of 1.4 give a Treynor ratio of 5% per unit of beta, or 0.05 in decimal-return terms. This worked Treynor Ratio Calculator case demonstrates the calculation and is not a forecast of a future result.

How to interpret the result

Treynor focuses on systematic market risk rather than total volatility, so it is most meaningful for reasonably diversified portfolios. For a clean comparison with Treynor Ratio Calculator, keep the displayed input definitions and measurement basis consistent across scenarios.

Limitations and notes

Beta can be unstable and does not capture company-specific or non-market risks. A very small or negative beta can also make the ratio difficult to interpret. Recalculate Treynor Ratio Calculator when the source values entered on the form change materially.