iShares National Muni Bond ETF (MUB)'s 30-day implied volatility (IV30) was 4.7% at the close on November 13, 2026, down from 5.4% the day before, against a 52-week range of 2.6% to 9.3%. Its 20-day historical volatility was 4.8%.
Data as of November 13, 2026.