ProShares Short Real Estate (REK)'s 30-day implied volatility (IV30) was 17.9% at the close on October 21, 2026, up from 16.2% the day before, against a 52-week range of 10.7% to 20.0%. Its 20-day historical volatility was 15.6%.

Key numbers

30-day implied volatility (IV30): 17.9%
IV30 52-week range: 10.7% to 20.0% (median 16.2%)
Historical volatility: 20-day 15.6%, 1-year 15.9%
Implied move by the nearest expiration: ±1.0%

Data as of October 21, 2026.

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

Name: REK Implied Volatility
Creator: Market Chameleon