Enanta Pharmaceuticals (ENTA)'s 30-day implied volatility (IV30) was 58.9% at the close on October 21, 2026, down from 64.8% the day before, against a 52-week range of 40.9% to 82.6%. Its 20-day historical volatility was 57.5%.

Key numbers

30-day implied volatility (IV30): 58.9%
IV30 52-week range: 40.9% to 82.6% (median 58.9%)
Historical volatility: 20-day 57.5%, 1-year 60.4%
Implied move by the nearest expiration: ±4.1%

Data as of October 21, 2026.

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

Name: ENTA Implied Volatility
Creator: Market Chameleon