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Discipline & Risk
The Sharpe Ratio, Explained
Two strategies can post the same return. The Sharpe ratio tells you which one nearly gave you a heart attack.
NoVo Options Trading · 2026
The Sharpe ratio measures a strategy's return relative to its risk - specifically, excess return divided by the volatility of those returns. It answers the question raw return can't: how much risk did you take to earn that return? A high Sharpe means smooth, efficient gains; a low Sharpe means you were paid poorly for the volatility you endured.
Why it beats raw return
A strategy that returns 30% with wild, stomach-churning swings is not obviously better than one returning 20% smoothly - and it may be far worse to actually trade, because the drawdowns can shake you out or blow you up. The Sharpe ratio penalizes volatility, rewarding consistency. It's how you compare strategies on a level field.
What "good" looks like
Broadly, a Sharpe below 1 is mediocre, around 1-2 is solid, and above 2 is excellent - though the numbers depend on the market and timeframe. The point is relative: use it to compare your own approaches, not to chase a magic threshold.
Return tells you how far you went. Sharpe tells you how rough the ride was getting there.
The limits
Sharpe treats upside and downside volatility the same, which unfairly penalizes strategies with big winners. It also assumes returns are well-behaved, and can be gamed over short samples. Pair it with profit factor, max drawdown, and expected value for a full picture. No single number captures a strategy - but Sharpe is one of the honest ones.
More on this: The Calmar Ratio
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NoVo is a software tool for market analysis and for executing trades you initiate, not financial advice. This article is general education, not investment advice. Options trading involves substantial risk of loss, up to and including your entire capital. NoVo makes no guarantee of profit, win rate, or performance, and past results do not predict future outcomes. You are responsible for your own broker account, configuration, and trading decisions.