Summit Therapeutics (SMMT)'s 30-day implied volatility (IV30) was 119.1% at the close on October 23, 2026, up from 62.5% the day before, against a 52-week range of 43.5% to 164.0%. Its 20-day historical volatility was 69.1%.

Key numbers

30-day implied volatility (IV30): 119.1%
IV30 52-week range: 43.5% to 164.0% (median 68.5%)
Historical volatility: 20-day 69.1%, 1-year 66.1%
Implied move by the nearest expiration: ±4.3%

Data as of October 23, 2026.

SMMT Implied Volatility (IV) vs Historical Volatility (HV)

Name: SMMT Implied Volatility
Creator: Market Chameleon