Geron (GERN)'s 30-day implied volatility (IV30) was 71.6% at the close on November 9, 2026, up from 70.8% the day before, against a 52-week range of 40.4% to 114.0%. Its 20-day historical volatility was 64.4%.
Key numbers
30-day implied volatility (IV30): 71.6%
IV30 52-week range: 40.4% to 114.0% (median 72.5%)
Historical volatility: 20-day 64.4%, 1-year 64.7%
Implied move by the nearest expiration: ±4.9%
Data as of November 9, 2026.
GERN Implied Volatility (IV) vs Historical Volatility (HV)
The GERN IV term structure shows the implied volatility difference between different maturity dates.