State Street SPDR Portfolio S&P 1500 Composite Stock Market ETF (SPTM)

Last Closing Price: 83.99 (2026-01-16)

Implied Volatility Skew (90-Day)

Implied Volatility Skew: A measurement that quantifies the difference in implied volatility of options at lower and higher strike prices.

State Street SPDR Portfolio S&P 1500 Composite Stock Market ETF (SPTM) had 90-Day Implied Volatility Skew of 0.0525 for 2026-01-16.