Hedge ratio and what is left over calculator

In short

How many contracts, and what stays behind.

Interactive: hedge ratio and what is left overMedium

How many contracts, and how much risk stays behind once they are on.

Minimum-variance hedge ratio
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Contracts to sell
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Residual volatility
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Hedge effectiveness
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Volatility reduction
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Reading
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Textbook minimum-variance hedging on a single period, with volatility and correlation treated as known constants. Both are estimated from the past and both change under stress — usually in the direction that makes the hedge worse. Information and education only; not advice, and not a recommendation to trade any instrument.

The idea behind it

This calculator belongs to Hedging, where the mechanism it computes is explained step by step, with the formula, what each input means and where the simple model stops being right. Everything is computed in your browser; nothing you type is sent anywhere.

All calculators

Information and education only. Every page, figure and calculator on this site exists to explain how financial instruments work. Nothing here is investment, tax or legal advice, a recommendation, or a valuation you can rely on. Full disclaimer