Strategy - 10.00% Series A Perpetual Strife Preferred Stock (STRF)'s 30-day implied volatility (IV30) was 8.8% at the close on October 26, 2026, up from 8.1% the day before, against a 52-week range of 5.5% to 38.9%. Its 20-day historical volatility was 11.3%.

Key numbers

30-day implied volatility (IV30): 8.8%
IV30 52-week range: 5.5% to 38.9% (median 18.1%)
Historical volatility: 20-day 11.3%, 1-year 21.7%
Implied move by the nearest expiration: ±0.5%

Data as of October 26, 2026.

STRF Implied Volatility (IV) vs Historical Volatility (HV)

Name: STRF Implied Volatility
Creator: Market Chameleon