State Street SPDR Portfolio S&P 1500 Composite Stock Market ETF (SPTM)'s 30-day implied volatility (IV30) was 13.2% at the close on October 19, 2026, down from 14.4% the day before, against a 52-week range of 10.6% to 27.3%. Its 20-day historical volatility was 10.1%.

Key numbers

30-day implied volatility (IV30): 13.2%
IV30 52-week range: 10.6% to 27.3% (median 14.0%)
Historical volatility: 20-day 10.1%, 1-year 13.2%
Implied move by the nearest expiration: ±0.9%

Data as of October 19, 2026.

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

Name: SPTM Implied Volatility
Creator: Market Chameleon