ProShares Short Financials (SEF)'s 30-day implied volatility (IV30) was 17.7% at the close on October 23, 2026, up from 14.1% the day before, against a 52-week range of 11.8% to 25.1%. Its 20-day historical volatility was 15.4%.

Key numbers

30-day implied volatility (IV30): 17.7%
IV30 52-week range: 11.8% to 25.1% (median 16.3%)
Historical volatility: 20-day 15.4%, 1-year 15.8%
Implied move by the nearest expiration: ±0.9%

Data as of October 23, 2026.

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

Name: SEF Implied Volatility
Creator: Market Chameleon