State Street SPDR Portfolio S&P 400 Mid Cap ETF (SPMD)

Last Closing Price: 58.28 (2025-12-04)

Put-Call Implied Volatility Ratio (30-Day)

Put-Call Implied Volatility Ratio: The ratio of implied volatilities of the at-the-money puts to the at-the-money calls.

State Street SPDR Portfolio S&P 400 Mid Cap ETF (SPMD) had 30-Day Put-Call Implied Volatility Ratio of 1.0930 for 2025-12-04.