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

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

Implied Volatility (Calls) (20-Day)

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

State Street SPDR S&P 400 Mid Cap Growth ETF (MDYG) had 20-Day Implied Volatility (Calls) of 0.1863 for 2026-04-20.