ProShares Ultrapro Short S&P 500 (SPXU)'s 30-day implied volatility (IV30) was 45.4% at the close on October 23, 2026, up from 45.2% the day before, against a 52-week range of 27.0% to 84.0%. Its 20-day historical volatility was 29.8%.

Key numbers

30-day implied volatility (IV30): 45.4%
IV30 52-week range: 27.0% to 84.0% (median 41.3%)
Historical volatility: 20-day 29.8%, 1-year 39.1%
Implied move by the nearest expiration: ±2.8%

Data as of October 23, 2026.

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

Name: SPXU Implied Volatility
Creator: Market Chameleon