Repligen (RGEN)'s 30-day implied volatility (IV30) was 63.9% at the close on October 19, 2026, up from 60.4% the day before, against a 52-week range of 37.6% to 69.7%. Its 20-day historical volatility was 58.7%.
Key numbers
30-day implied volatility (IV30): 63.9%
IV30 52-week range: 37.6% to 69.7% (median 49.8%)
Historical volatility: 20-day 58.7%, 1-year 50.1%
Implied move by the nearest expiration: ±3.8%
Data as of October 19, 2026.
RGEN Implied Volatility (IV) vs Historical Volatility (HV)
The RGEN IV term structure shows the implied volatility difference between different maturity dates.
