Block Class A (XYZ)'s 30-day implied volatility (IV30) was 54.8% at the close on October 23, 2026, up from 53.5% the day before, against a 52-week range of 34.2% to 75.9%. Its 20-day historical volatility was 32.7%.
Key numbers
30-day implied volatility (IV30): 54.8%
IV30 52-week range: 34.2% to 75.9% (median 48.7%)
Historical volatility: 20-day 32.7%, 1-year 42.6%
Implied move by the nearest expiration: ±2.6%
Data as of October 23, 2026.
XYZ Implied Volatility (IV) vs Historical Volatility (HV)
The XYZ IV term structure shows the implied volatility difference between different maturity dates.
