Fuel Tech (FTEK)'s 30-day implied volatility (IV30) was 72.6% at the close on November 10, 2026, down from 78.0% the day before, against a 52-week range of 48.1% to 125.0%. Its 20-day historical volatility was 78.3%.
Key numbers
30-day implied volatility (IV30): 72.6%
IV30 52-week range: 48.1% to 125.0% (median 72.9%)
Historical volatility: 20-day 78.3%, 1-year 76.9%
Implied move by the nearest expiration: ±4.9%
Data as of November 10, 2026.
FTEK Implied Volatility (IV) vs Historical Volatility (HV)
The FTEK IV term structure shows the implied volatility difference between different maturity dates.
