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

Last Closing Price: 89.78 (2026-08-20)

Implied Volatility Skew (150-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 150-Day Implied Volatility Skew of 0.0824 for 2026-08-20.