S&P 500 Index | Kurs aktuell | Börse USA - MarketScreener (2024)

FAQs

How much of the total US stock market is S&P 500? ›

It is one of the most commonly followed equity indices and includes approximately 80% of the total market capitalization of U.S. public companies, with an aggregate market cap of more than $43 trillion as of January 2024. The S&P 500 index is a free-float weighted/capitalization-weighted index.

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The US SPX 500 is based on one of three major indices in the US and one of the most popularly traded assets in the world. Despite comprising of 500 companies, the 10 largest companies in the index account for over a quarter of its total market capitalisation alone, including tech giants Apple, Amazon and Microsoft.

The S&P 500 is largely considered an essential benchmark index for the U.S. stock market. Composed of 500 large-cap companies across a breadth of industry sectors, the index captures the pulse of the American corporate economy.

For investors with small-cap exposure elsewhere in their portfolios, the large- and mid-cap S&P 500 fund may suffice. But for a broader, one-stop-shopping fund, the total market index offers maximum diversification within the U.S. equity universe.

The difference between a total stock market index fund and an S&P 500 index fund is that the S&P 500 Index includes only large-cap stocks. The total stock index includes small-, mid-, and large-cap stocks. However, both indexes represent only U.S. stocks.

The easiest way to invest in the S&P 500

The simplest way to invest in the index is through S&P 500 index funds or ETFs that replicate the index. You can purchase these in a taxable brokerage account, or if you're investing for retirement, in a 401(k) or IRA, which come with added tax benefits.

What is the 10 year return of the S&P 500? ›

Stock Market Average Yearly Return for the Last 10 Years

The historical average yearly return of the S&P 500 is 12.68% over the last 10 years, as of the end of February 2024. This assumes dividends are reinvested. Adjusted for inflation, the 10-year average stock market return (including dividends) is 9.56%.

The main drawback to the S&P 500 is that the index gives higher weights to companies with more market capitalization. The stock prices for Apple and Microsoft have a much greater influence on the index than a company with a lower market cap.

Relative performance — Comparing your return to the overall market is a better measure. If your total portfolio is up 20% for the year and the overall market is only up 15%, you have done very well. Or if your portfolio is down 10% and the overall market is down 15%, you have done well.

Among the most commonly used indices are the Standard & Poor's (S&P) 500, the Russell 1000, and the MSCI.

Dow Jones U.S. Total Stock Market Index.

All of the stocks in The Dow are typically included in the S&P 500, where they generally make up between 25% and 30% of its market value.

The total market capitalization of the U.S. stock market is currently $50,781,697.5 million (or $50.8 trillion), (Jan 1st, 2024).

Key points. The S&P 500 index is often used as a proxy for the broader U.S. stock market. The S&P 500 index includes 500 of the largest publicly traded U.S. companies. The 10 biggest names account for more than 30% of the index.