Gladstone Investment - Business Development Company (GAIN)'s 30-day implied volatility (IV30) was 25.9% at the close on October 20, 2026, up from 25.5% the day before, against a 52-week range of 8.5% to 42.6%. Its 20-day historical volatility was 19.2%.

Key numbers

30-day implied volatility (IV30): 25.9%
IV30 52-week range: 8.5% to 42.6% (median 21.2%)
Historical volatility: 20-day 19.2%, 1-year 21.1%
Implied move by the nearest expiration: ±1.6%

Data as of October 20, 2026.

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

Name: GAIN Implied Volatility
Creator: Market Chameleon