Vanguard Long-Term Treasury ETF (VGLT)'s 30-day implied volatility (IV30) was 11.2% at the close on October 22, 2026, up from 9.8% the day before, against a 52-week range of 4.5% to 13.2%. Its 20-day historical volatility was 11.8%.

Key numbers

30-day implied volatility (IV30): 11.2%
IV30 52-week range: 4.5% to 13.2% (median 8.1%)
Historical volatility: 20-day 11.8%, 1-year 8.9%
Implied move by the nearest expiration: ±0.6%

Data as of October 22, 2026.

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

Name: VGLT Implied Volatility
Creator: Market Chameleon