Invesco Taxable Municipal Bond ETF (BAB)'s 30-day implied volatility (IV30) was 10.4% at the close on October 19, 2026, down from 13.5% the day before, against a 52-week range of 9.9% to 14.4%. Its 20-day historical volatility was 8.7%.

Key numbers

30-day implied volatility (IV30): 10.4%
IV30 52-week range: 9.9% to 14.4% (median 12.8%)
Historical volatility: 20-day 8.7%, 1-year 6.8%
Implied move by the nearest expiration: ±0.8%

Data as of October 19, 2026.

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

Name: BAB Implied Volatility
Creator: Market Chameleon