Top S&P 500 ETFs for December 2024: SPY, VOO and More

Over the long term, it’s incredibly difficult to assemble a portfolio that outperforms the S&P 500, which has delivered average annual returns of about 10% over a nearly 90-year period. What’s more, buying an S&P 500 ETF, or exchange-traded fund, is an easy way for investors to buy a big slice of the market for a relatively small price.

And while most S&P 500 ETFs are composed of the same investments, there are some differences you should know before making a selection between them.

What's the best S&P 500 ETF?

If you search for S&P 500 ETFs, you may come across dozens of funds. Just because S&P 500 is in a fund’s name doesn’t necessarily mean it tracks the index as a whole. Rather, many of these ETFs track sub-components, say value or growth stocks, within the broader index.

But you won’t have to wade through a ton of options to decide on an ETF that tracks the performance of the S&P 500 index as a whole. The following funds track the entirety of the index.

» See the full list of the best brokers for ETF investors

How to choose an S&P 500 ETF

The three S&P 500 ETFs are quite similar in two important aspects: You won’t have trouble finding these ETFs at most online brokers, and they’re very liquid, meaning it’s easy to buy and sell them on any given day.

We’re not here to pick a winner — the right fund for you is a personal decision — but there are some nuances you may want to consider:

• Expense ratios. VOO and IVV boast the lowest management fee at 0.03%, about one-third of the SPY ETF. While the difference between a 0.03%, and 0.0945% expense ratio may seem trivial, such fees can really add up. For every $10,000 invested, these respective fees equal $3 and $9.45 annually. Then consider the difference at higher balances, such as $100,000.

• Trading costs. Many of the best brokers for ETF investing offer hundreds of commission-free ETFs, but the specific fund list varies broker to broker. Fortunately, most major brokerages no longer charge commissions on ETF, stocks or options trades.

• Price. There’s a slight difference in the price at which each fund currently trades. This shouldn’t necessarily be a deciding factor, but it may affect how many shares you can buy at any given time.

• Yield and return. There are some slight differences across these funds even though they all track the same index. These differences generally relate to return and yield. These returns will change over time, and there's no guarantee that the ETF with the best return right now will have the best return in the future. That's why we look at the 5-year return, to see how each ETF performs over the long-term.

» Related: best-performing high-dividend ETFs

You only need one S&P 500 ETF

For some people, digging into the details is half the fun of investing. For others, it’s all minutia. All three of the ETFs listed here have lower-than-average expense ratios and offer an easy way to buy a slice of the U.S. stock market.

You could be tempted to buy all three ETFs, but just one will do the trick. You won’t get any additional diversification benefits (meaning the mix of various assets) because all three funds track the same 500 companies. What’s more, you might tie up money that could be better invested elsewhere.

» Want to diversify? Check out Dow Jones ETFs

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• Invest abroad? Check out China ETFs

What's next?

No matter which S&P 500 ETF you ultimately select, this fund should serve as a foundation in your portfolio. Not sure what to invest in next? Our guide on how to build a good investment portfolio offers some tips.