State Street SPDR Nuveen Ice Municipal Bond ETF (TFI)'s 30-day implied volatility (IV30) was 4.4% at the close on November 9, 2026, up from 4.3% the day before, against a 52-week range of 1.9% to 11.9%. Its 20-day historical volatility was 5.6%.

Key numbers

30-day implied volatility (IV30): 4.4%
IV30 52-week range: 1.9% to 11.9% (median 3.6%)
Historical volatility: 20-day 5.6%, 1-year 3.7%
Implied move by the nearest expiration: ±0.3%

Data as of November 9, 2026.

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

Name: TFI Implied Volatility
Creator: Market Chameleon