First Financial (THFF)'s 30-day implied volatility (IV30) was 18.0% at the close on October 20, 2026, down from 20.3% the day before, against a 52-week range of 17.7% to 35.7%. Its 20-day historical volatility was 20.3%.
Key numbers
30-day implied volatility (IV30): 18.0%
IV30 52-week range: 17.7% to 35.7% (median 25.4%)
Historical volatility: 20-day 20.3%, 1-year 29.6%
Implied move by the nearest expiration: ±1.3%
Data as of October 20, 2026.
THFF Implied Volatility (IV) vs Historical Volatility (HV)
The THFF IV term structure shows the implied volatility difference between different maturity dates.
