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

Last Closing Price: 81.18 (2025-12-23)

Implied Volatility Skew (180-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 180-Day Implied Volatility Skew of 0.0538 for 2025-12-23.