Cabot (CBT)'s 30-day implied volatility (IV30) was 36.7% at the close on October 21, 2026, up from 35.9% the day before, against a 52-week range of 20.0% to 42.6%. Its 20-day historical volatility was 24.0%.
Key numbers
30-day implied volatility (IV30): 36.7%
IV30 52-week range: 20.0% to 42.6% (median 30.0%)
Historical volatility: 20-day 24.0%, 1-year 31.4%
Implied move by the nearest expiration: ±2.3%
Data as of October 21, 2026.
CBT Implied Volatility (IV) vs Historical Volatility (HV)
The CBT IV term structure shows the implied volatility difference between different maturity dates.