IV Rank is (Current IV - 52-week low IV) ÷ (52-week high IV - 52-week low IV) × 100. It shows where current implied volatility sits in the yearly range. High IV Rank means options are relatively expensive—favorable for sellers.

IV Rank vs IV Percentile?

IV Rank uses the actual IV range. IV Percentile uses the percentage of days IV was lower. Both help gauge if IV is high or low. IV Rank is often easier to compute and interpret.

IV Rank Calculator

IV Rank shows where current IV sits in the 52-week range. Higher = better for selling premium.

Current IV (%)

52-week high IV (%)

52-week low IV (%)

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