Webull - Class A (BULL)'s 30-day implied volatility (IV30) was 64.4% at the close on October 20, 2026, up from 59.2% the day before, against a 52-week range of 51.0% to 100.7%. Its 20-day historical volatility was 62.8%.
Key numbers
30-day implied volatility (IV30): 64.4%
IV30 52-week range: 51.0% to 100.7% (median 66.7%)
Historical volatility: 20-day 62.8%, 1-year 61.0%
Implied move by the nearest expiration: ±3.8%
Data as of October 20, 2026.
BULL Implied Volatility (IV) vs Historical Volatility (HV)
The BULL IV term structure shows the implied volatility difference between different maturity dates.