State Street SPDR S&P MIDCAP 400 ETF Trust (MDY)

Last Closing Price: 665.62 (2026-04-21)

Implied Volatility (Puts) (180-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 MIDCAP 400 ETF Trust (MDY) had 180-Day Implied Volatility (Puts) of 0.2031 for 2026-04-21.