Regeneron Pharmaceuticals (REGN)'s 30-day implied volatility (IV30) was 36.5% at the close on October 28, 2026, up from 36.1% the day before, against a 52-week range of 25.1% to 48.5%. Its 20-day historical volatility was 30.8%.

Key numbers

30-day implied volatility (IV30): 36.5%
IV30 52-week range: 25.1% to 48.5% (median 33.8%)
Historical volatility: 20-day 30.8%, 1-year 29.9%
Implied move by the nearest expiration: ±3.6%

Data as of October 28, 2026.

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

Name: REGN Implied Volatility
Creator: Market Chameleon