S&P 500 ETFs Explained: VOO vs. IVV vs. SPY

Three investment research binders and a laptop on a desk overlooking Manhattan, illustrating a comparison of S&P 500 ETFs.

VOO and IVV are usually the simpler low-cost choices for long-term S&P 500 investing, while SPY is especially useful for investors who trade frequently or use options. All three exchange-traded funds (ETFs) track the same index, so their underlying stock exposure is very similar. The main differences are annual fees, fund structure, and trading liquidity,