Innospec (IOSP)'s 30-day implied volatility (IV30) was 20.3% at the close on October 23, 2026, up from 17.1% the day before, against a 52-week range of 15.7% to 36.6%. Its 20-day historical volatility was 21.4%.
Key numbers
30-day implied volatility (IV30): 20.3%
IV30 52-week range: 15.7% to 36.6% (median 22.3%)
Historical volatility: 20-day 21.4%, 1-year 27.9%
Implied move by the nearest expiration: ±1.1%
Data as of October 23, 2026.
IOSP Implied Volatility (IV) vs Historical Volatility (HV)
The IOSP IV term structure shows the implied volatility difference between different maturity dates.
