Skip to main content

Invest in the world’s largest economy

With SPY—the original S&P 500 ETF—investors can gain cost-efficient, highly liquid exposure to 500 of the largest publicly traded US companies via the S&P 500 Index.

Why Invest in the SPDR® S&P 500® ETF?

SPY offers a number of potential benefits for investors seeking core US equity exposure:

Record liquidity

SPY is the world’s most traded ETF—trading 64 million shares a day, on average—giving investors the ability to tap unmatched liquidity.2

An S&P 500 ETF leader

SPY is managed by State Street Investment Management, one of the world’s largest asset managers and a leader in S&P 500 ETFs with over $790B in S&P 500 assets globally.3 And, SPY is benchmarked to the S&P 500 Index from S&P Dow Jones Indices, one of the most trusted index providers.

Diversification in a single position

SPY touches nearly every corner of the US economy, giving investors broad exposure to the world’s largest market and many of its most recognized brand names in a single trade.

Quick Quiz

SPY traded $4.6T in the first half of 2025. That’s more than which country’s GDP?

You’re correct!

In the first half of 2025, SPY traded $4.6T—more than the GDP of Brazil, France, UK, and Italy.4

Because of its immense size and unmatched liquidity, there’s so much you can do with SPY. 

You’re on the right track…

In the first half of 2025, SPY traded $4.6T—more than the GDP of Brazil, France, UK, and Italy.4

Because of its immense size and unmatched liquidity, there’s so much you can do with SPY. 

Two State Street SPDR ETF strategies to tap into the S&P 500

Build portfolios with purpose and precision with SPY and SPYM.

SPY is backed by an indexing leader

Frequently asked questions

SPY is the ticker symbol for the SPDR® S&P 500® ETF, an exchange traded fund that tracks the performance of the S&P 500® Index. SPY, managed State Street Investment Management, aims to replicate the performance of the S&P 500® Index as closely as possible by investing in the same stocks that are included in the index in the same weightings. SPY is traded on the New York Stock Exchange (NYSE Arca) and is highly liquid, making it a popular choice for investors looking to gain broad exposure to the US stock market.

More on SPY and its liquidity

Connect