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

Last Closing Price: 104.62 (2026-04-21)

Implied Volatility (Puts) (10-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 10-Day Implied Volatility (Puts) of 0.2153 for 2026-04-20.