State Street SPDR Portfolio Short Term Treasury ETF (SPTS)'s 30-day implied volatility (IV30) was 3.7% at the close on November 2, 2026, up from 3.4% the day before, against a 52-week range of 2.1% to 10.7%. Its 20-day historical volatility was 1.6%.

Key numbers

30-day implied volatility (IV30): 3.7%
IV30 52-week range: 2.1% to 10.7% (median 3.5%)
Historical volatility: 20-day 1.6%, 1-year 1.4%
Implied move by the nearest expiration: ±0.2%

Data as of November 2, 2026.

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

Name: SPTS Implied Volatility
Creator: Market Chameleon