MDY Stock Summary and Trading Ideas (SPDR S&P Midcap 400 ETF Trust | ARCA:MDY)

The SPDR S&P MidCap 400 ETF before expenses seeks to generally correspond to the price and yield performance of the S&P MidCap 400 IndexTM. Our approach is designed to provide portfolios with low portfolio turnover accurate tracking and lower costs.

What symbol and exchange does SPDR S&P Midcap 400 ETF Trust shares trade?

SPDR S&P Midcap 400 ETF Trust trades on the ARCA stock market under the symbol MDY.

What is SPDR S&P Midcap 400 ETF Trust stock price doing today?

As of December 19, 2025, MDY stock price climbed to $611.57 with 967,592 million shares trading.

What is SPDR S&P Midcap 400 ETF Trust's Beta?

MDY has a beta of 0.94, meaning it tends to be less sensitive to market movements. MDY has a correlation of 0.78 to the broad based SPY ETF.

How much is SPDR S&P Midcap 400 ETF Trust worth?

MDY has a market cap of $24.52 billion. This is considered a Large Cap stock.

What is the highest and lowest price SPDR S&P Midcap 400 ETF Trust traded in the last 3 year period?

In the last 3 years, MDY traded as high as $624.13 and as low as $424.22.

Is SPDR S&P Midcap 400 ETF Trust (MDY) a good investment?

MDY has underperformed the market in the last year with a return of +9.6%, while the SPY ETF gained +18.1%. In the last 3 month period, MDY fell short of the market, returning +2.4%, while SPY returned +2.8%. However, in the most recent 2 weeks MDY has outperformed the stock market by returning +1.0%, while SPY returned -0.5%.

What are the support and resistance levels for SPDR S&P Midcap 400 ETF Trust (MDY)?

MDY support price is $598.71 and resistance is $613.07 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that MDY shares will trade within this expected range on the day.