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State Street SPDR S&P 500 ETF

SPY
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State Street SPDR S&P 500 ETF at a glance

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State Street SPDR S&P 500 ETF (SPY) is an exchange-traded fund listed on AMEX.

It trades an average of 45.4 million shares a day.

Figures as of October 25, 2026, from market data providers. Descriptive only, not financial advice.

SPY, head to head

Comparisons

SPY: Frequently asked questions

SPY is the best-recognized and oldest US listed ETF and typically tops rankings for largest AUM and greatest trading volume.

Figures update throughout the day from market data providers. Nothing on this page is financial advice.