ProShares Ultrashort S&P500 (SDS)'s 30-day implied volatility (IV30) was 29.1% at the close on October 23, 2026, down from 29.2% the day before, against a 52-week range of 20.6% to 55.6%. Its 20-day historical volatility was 19.9%.

Key numbers

30-day implied volatility (IV30): 29.1%
IV30 52-week range: 20.6% to 55.6% (median 28.0%)
Historical volatility: 20-day 19.9%, 1-year 26.0%
Implied move by the nearest expiration: ±1.8%

Data as of October 23, 2026.

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

Name: SDS Implied Volatility
Creator: Market Chameleon