Alnylam Pharmaceuticals (ALNY)'s 30-day implied volatility (IV30) was 63.0% at the close on October 23, 2026, up from 62.0% the day before, against a 52-week range of 35.6% to 63.2%. Its 20-day historical volatility was 43.8%.

Key numbers

30-day implied volatility (IV30): 63.0%
IV30 52-week range: 35.6% to 63.2% (median 44.6%)
Historical volatility: 20-day 43.8%, 1-year 41.0%
Implied move by the nearest expiration: ±3.9%

Data as of October 23, 2026.

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

Name: ALNY Implied Volatility
Creator: Market Chameleon