State Street SPDR S&P 400 Mid Cap Growth ETF (MDYG)

Last Closing Price: 106.72 (2026-07-20)

Implied Volatility (Puts) (30-Day)

Implied Volatility (Puts): The forecasted future volatility of the security over the selected time frame, derived from the pricing of the at-the-money put options with the relevant expiration date.

State Street SPDR S&P 400 Mid Cap Growth ETF (MDYG) had 30-Day Implied Volatility (Puts) of 0.1685 for 2026-07-20.