iShares Mortgage Real Estate ETF (REM)'s 30-day implied volatility (IV30) was 28.7% at the close on October 21, 2026, up from 24.3% the day before, against a 52-week range of 10.6% to 31.1%. Its 20-day historical volatility was 28.2%.
Data as of October 21, 2026.