ProShares Ultrapro Short Dow30 (SDOW)'s 30-day implied volatility (IV30) was 46.9% at the close on November 3, 2026, down from 47.3% the day before, against a 52-week range of 30.6% to 81.1%. Its 20-day historical volatility was 33.0%.

Key numbers

30-day implied volatility (IV30): 46.9%
IV30 52-week range: 30.6% to 81.1% (median 41.1%)
Historical volatility: 20-day 33.0%, 1-year 40.0%
Implied move by the nearest expiration: ±3.0%

Data as of November 3, 2026.

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

Name: SDOW Implied Volatility
Creator: Market Chameleon