The Stock Market Is Doing Something It Has Only Done 1 Time Since 1871. Should You Be Worried for 2026?

Source Motley_fool

Key Points

  • Fantastic returns in the past decade have propelled the S&P 500’s valuation to high levels.

  • While investors are better served keeping expectations under control, it’s good to be an optimist.

  • 10 stocks we like better than S&P 500 Index ›

With an historical average annualized total return of 10%, the S&P 500 index (SNPINDEX: ^GSPC) has proven itself to be a wonderful tool for people to build wealth. However, its gains in the past decade have been significantly higher than most observers probably would've predicted.

The stock market has now done something that has only happened one other time since 1871. Should investors be worried in 2026 and beyond?

Where to invest $1,000 right now? Our analyst team just revealed what they believe are the 10 best stocks to buy right now. Continue »

Person drawing a price vs. value balance scale.

Image source: Getty Images.

A high valuation might forecast negative returns

In the same way smart investors judge the valuation of individual stocks, it's a good idea to assess the overall market. The S&P 500 CAPE ratio, a closely watched metric that factors in the average of 10-year cyclically adjusted earnings, currently sits at 40.9. The last time it was in the same ballpark was during the dot-com bubble in 1999 and 2000. Clearly, the market's valuation is very high, which can worry investors.

Research reveals that the S&P 500's annualized returns over the next decade could be negative.

Be an optimist, but lower expectations

When the outlook is gloomy, it's understandable that investors are hesitant to put money to work. While returns might not resemble the impressive 16% annualized gains of the past 10 years, I believe it's still a good time to invest in the stock market in 2026. Investors who have a time horizon spanning decades are likely to see a favorable result.

Along the same vein, it's always a good idea to be an optimist. This positive mindset will encourage you to save and invest because your future depends on it.

Should you buy stock in S&P 500 Index right now?

Before you buy stock in S&P 500 Index, consider this:

The Motley Fool Stock Advisor analyst team just identified what they believe are the 10 best stocks for investors to buy now… and S&P 500 Index wasn’t one of them. The 10 stocks that made the cut could produce monster returns in the coming years.

Consider when Netflix made this list on December 17, 2004... if you invested $1,000 at the time of our recommendation, you’d have $450,256!* Or when Nvidia made this list on April 15, 2005... if you invested $1,000 at the time of our recommendation, you’d have $1,171,666!*

Now, it’s worth noting Stock Advisor’s total average return is 942% — a market-crushing outperformance compared to 196% for the S&P 500. Don't miss the latest top 10 list, available with Stock Advisor, and join an investing community built by individual investors for individual investors.

See the 10 stocks »

*Stock Advisor returns as of January 31, 2026.

Neil Patel has no position in any of the stocks mentioned. The Motley Fool has no position in any of the stocks mentioned. The Motley Fool has a disclosure policy.

Disclaimer: For information purposes only. Past performance is not indicative of future results.
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