State Street SPDR Portfolio S&P 500 ETF (SPYM)

Last Closing Price: 91.07 (2026-10-08)

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 500 ETF (SPYM) had 90-Day Implied Volatility Skew of 0.0546 for 2026-10-08.