iShares 10-20 Year Treasury Bond ETF (TLH)'s 30-day implied volatility (IV30) was 12.0% at the close on November 6, 2026, down from 13.4% the day before, against a 52-week range of 5.3% to 18.0%. Its 20-day historical volatility was 9.5%.

Key numbers

30-day implied volatility (IV30): 12.0%
IV30 52-week range: 5.3% to 18.0% (median 8.4%)
Historical volatility: 20-day 9.5%, 1-year 8.2%
Implied move by the nearest expiration: ±0.9%

Data as of November 6, 2026.

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

Name: TLH Implied Volatility
Creator: Market Chameleon