Sharpe ratio - Deepstash

Sharpe ratio

Given the difficulty of quantifying the probability of loss, investors who want some objective measure of risk- adjusted return— and they are many— can only look to the so- called Sharpe ratio. This is the ratio of a portfolio’s excess return (its return above the “riskless rate,” or the rate on short- term Treasury bills) to the standard deviation of the return. This calculation seems serviceable for public market securities that trade and price often; there is some logic, and it truly is the best we have.

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