ProShares Ultrashort 20+ Year Treasury (TBT)'s 30-day implied volatility (IV30) was 25.0% at the close on October 27, 2026, down from 26.4% the day before, against a 52-week range of 15.5% to 32.6%. Its 20-day historical volatility was 25.7%.

Key numbers

30-day implied volatility (IV30): 25.0%
IV30 52-week range: 15.5% to 32.6% (median 20.2%)
Historical volatility: 20-day 25.7%, 1-year 19.8%
Implied move by the nearest expiration: ±1.7%

Data as of October 27, 2026.

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

Name: TBT Implied Volatility
Creator: Market Chameleon