State Street SPDR Portfolio Long Term Treasury ETF (SPTL)'s 30-day implied volatility (IV30) was 14.7% at the close on November 6, 2026, up from 14.2% the day before, against a 52-week range of 4.1% to 14.9%. Its 20-day historical volatility was 10.4%.

Key numbers

30-day implied volatility (IV30): 14.7%
IV30 52-week range: 4.1% to 14.9% (median 8.7%)
Historical volatility: 20-day 10.4%, 1-year 9.0%
Implied move by the nearest expiration: ±0.9%

Data as of November 6, 2026.

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

Name: SPTL Implied Volatility
Creator: Market Chameleon