ProShares Ultrashort Smallcap600 (SDD)'s 30-day implied volatility (IV30) was 31.6% at the close on November 11, 2026, down from 38.5% the day before, against a 52-week range of 22.2% to 48.4%. Its 20-day historical volatility was 40.1%.
Data as of November 11, 2026.