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

State Street SPDR S&P MIDCAP 400 ETF Trust seeks to provide investment results that, before expenses, correspond generally to the price and yield performance of the S&P MidCap 400 Index. The Trust seeks to achieve its investment objective by holding a portfolio of the common stocks that are included in the Index (the "Portfolio"), with the weight of each stock in the Portfolio substantially corresponding to the weight of such stock in the Index. The S&P MidCap 400 Index provides investors with a benchmark for mid-sized companies. The index, which is distinct from the large-cap S&P 500 , measures the performance of midsized companies, reflecting the distinctive risk and return characteristics of this market segment.

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

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

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

As of March 3, 2026, MDY stock price declined to $647.01 with 2,619,232 million shares trading.

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

MDY has a beta of 0.88, meaning it tends to be less sensitive to market movements. MDY has a correlation of 0.74 to the broad based SPY ETF.

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

MDY has a market cap of $25.20 billion. This is considered a Large Cap stock.

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

In the last 3 years, MDY traded as high as $662.65 and as low as $424.22.

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

MDY has outperformed the market in the last year with a return of +18.3%, while the SPY ETF gained +17.8%. In the last 3 month period, MDY beat the market returning +7.4%, while SPY returned -0.2%. However, in the most recent 2 weeks MDY has underperformed the stock market by returning -0.7%, while SPY returned -0.4%.

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

MDY support price is $649.78 and resistance is $666.94 (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.