iShares National Muni Bond ETF (MUB)'s 30-day implied volatility (IV30) was 5.3% at the close on October 23, 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 6.4%.

Key numbers

30-day implied volatility (IV30): 5.3%
IV30 52-week range: 2.6% to 9.3% (median 4.3%)
Historical volatility: 20-day 6.4%, 1-year 3.6%
Implied move by the nearest expiration: ±0.3%

Data as of October 23, 2026.

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

Name: MUB Implied Volatility
Creator: Market Chameleon