Are Large-Cap or Small-Cap ETFs the Better Buy? Here's How SPY and IWO Stack Up on Risk and Returns

2026-03-02 19:28:30 ET

The State Street SPDR S&P 500 ETF Trust (NYSEMKT:SPY) and the iShares Russell 2000 Growth ETF (NYSEMKT:IWO) are both popular ETFs, but they differ in their approaches.

SPY aims to mirror the S&P 500 and provides broad exposure to large, established U.S. companies, while IWO focuses on small-cap stocks that exhibit faster growth characteristics.

This comparison may appeal to investors weighing broad, blue-chip stability against smaller, growth-oriented stocks.

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