ProShares Ultrashort S&P500 (SDS)'s 30-day implied volatility (IV30) was 42.2% at the close on November 6, 2026, down from 43.8% the day before, against a 52-week range of 20.6% to 55.6%. Its 20-day historical volatility was 26.2%.
Data as of November 6, 2026.