The Stock Market Did Something for Just the 6th Time Since 1957. History Says It Signals a Big Move for the S&P 500 Over the Coming Year.


  • The S&P 500 just delivered one of the greatest three-month rallies in its storied history, gaining 25% and reaching a new record high on Thursday.

  • History shows the S&P 500 has always been higher in the year following a three-month rally of 25%, notching additional gains of 22%, on average.

  • Inflation or tariffs could still derail the rally, but the long-term future looks bright.

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

This year has been a wild ride for investors. After notching a new all-time high in mid-February, the S&P 500 (SNPINDEX: ^GSPC) promptly slumped 19% on fears tariffs imposed by the Trump administration would derail economic growth and reignite inflation.

However, since its early-April lows, the market has staged a remarkable recovery, gaining 26% during the past three months and reaching a new record high on Thursday, July 10.

To give that move historical context, the S&P 500 has gained 25% during a three-month period just five other times in its storied history. The data shows that in every previous instance, the benchmark index has delivered additional gains over the next 12 months, generating double-digit returns. Let’s look at what this means for investors.

A large board listing ticker symbols with a stoic person walking in the foreground.
Image source: Getty Images.

The S&P 500 has generated returns of 25% or more during a three-month period just five other times since the benchmark index was introduced in 1957, according to Ryan Detrick, chief market strategist at financial services company Carson Group. His research shows that in the 12 months following each of those occasions, the S&P has always risen, and notched double-digit gains every time.

This table shows the years in which the S&P 500 generated gains of 25% (or more) during a three-month period and the returns of the index during the succeeding 12 months:

Year of S&P 500 25% (+) Rally

S&P 500 12-Month Change

1975

18%

1982

20%

1999

12%

2009

19%

2020

39%

Average

21%

Data source: Carson Group. Table by author.

As the table illustrates, the S&P 500 delivered returns of 21% on average during the 12 months following a period when it gained 25% within three months. For context, the benchmark index has returned 10% annually since its inception in 1957. This shows that the market’s performance was much better than average following these rallies.

To quote the old Wall Street axiom, “Past performance is no guarantee of future results.” That said, given the available data and its historical context, students of history can make an informed decision about the trajectory of the market over the coming year. The S&P 500 closed out Thursday at about 6,280, so the index would need to clear 7,033 to hit the low end of the historical range by next July.

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