Hercules Capital (HTGC)'s 30-day implied volatility (IV30) was 18.5% at the close on October 21, 2026, up from 17.1% the day before, against a 52-week range of 15.3% to 45.0%. Its 20-day historical volatility was 20.0%.
Key numbers
30-day implied volatility (IV30): 18.5%
IV30 52-week range: 15.3% to 45.0% (median 22.6%)
Historical volatility: 20-day 20.0%, 1-year 22.6%
Implied move by the nearest expiration: ±1.1%
Data as of October 21, 2026.
HTGC Implied Volatility (IV) vs Historical Volatility (HV)
The HTGC IV term structure shows the implied volatility difference between different maturity dates.
