SPY Stock Summary and Trading Ideas (State Street SPDR S&P 500 ETF Trust | ARCA:SPY)

The State Street SPDR S&P 500 ETF Trust seeks to achieve its investment objective by holding a portfolio of the common stocks that are included in the S&P 500 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 500 Index is a diversified large cap U.S. index that holds companies across all eleven GICS sectors. The Index is designed to measure the performance of the large-cap segment of the US equity market. It is float-adjusted market capitalization weighted.

What symbol and exchange does State Street SPDR S&P 500 ETF Trust shares trade?

State Street SPDR S&P 500 ETF Trust trades on the ARCA stock market under the symbol SPY.

What is State Street SPDR S&P 500 ETF Trust stock price doing today?

As of March 12, 2026, SPY stock price declined to $666.06 with 87,053,976 million shares trading.

How much is State Street SPDR S&P 500 ETF Trust worth?

SPY has a market cap of $662.09 billion. This is considered a Mega Cap stock.

What is the highest and lowest price State Street SPDR S&P 500 ETF Trust traded in the last 3 year period?

In the last 3 years, SPY traded as high as $697.84 and as low as $380.65.

What are the support and resistance levels for State Street SPDR S&P 500 ETF Trust (SPY)?

SPY support price is $669.13 and resistance is $683.53 (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 SPY shares will trade within this expected range on the day.