Geron (GERN)'s 30-day implied volatility (IV30) was 64.8% at the close on October 22, 2026, up from 54.3% the day before, against a 52-week range of 40.4% to 114.0%. Its 20-day historical volatility was 45.1%.
Key numbers
30-day implied volatility (IV30): 64.8%
IV30 52-week range: 40.4% to 114.0% (median 72.5%)
Historical volatility: 20-day 45.1%, 1-year 63.5%
Implied move by the nearest expiration: ±3.4%
Data as of October 22, 2026.
GERN Implied Volatility (IV) vs Historical Volatility (HV)
The GERN IV term structure shows the implied volatility difference between different maturity dates.
