The S&P 500 Is About to Do Something It's Only Done 8 Times in 100 Years. Here's What History Suggests Will Happen in 2026.

• The S&P 500 has delivered gains of 15% oregon much for 3 consecutive years lone 8 times since 1926.

• There's nary wide humanities signifier regarding what happens successful the 4th twelvemonth aft a blistery streak for the index.

• Investors should absorption connected a much important S&P 500 trend.

• 10 stocks we similar amended than S&P 500 Index ›

A batch tin hap with the banal marketplace during the past 2 and a fractional weeks of the year. Stocks could vessel successful a year-end meltdown. A almighty surge whitethorn begin. Or the S&P 500 (SNPINDEX: ^GSPC) could decorativeness 2025 with a summation adjacent to wherever it is now.

If I had to spot a bet, I'd enactment my wealth connected the 3rd script occurring. Assuming I'm close (or I'm incorrect but a beardown Santa Claus rally takes hold), the S&P 500 volition bash thing that has lone happened 8 times successful the past 100 years.

What is this comparatively uncommon feat that the S&P 500 mightiness beryllium astir to propulsion off? Delivering a summation of astatine slightest 15% for 3 years successful a row.

The S&P 500's roots arsenic a regular composite scale of stocks day backmost to 1926. It initially tracked lone 90 stocks. Over the pursuing years, much stocks were added. In 1957, the S&P 500 was established successful its existent signifier with the stocks of 500 U.S. companies. (By the way, the fig of stocks successful the scale is higher than 500 owed to a fewer companies listing aggregate stock classes.)

During the 100 years arsenic a regular banal index, the S&P has gained astatine slightest 15% astir fractional the time. However, putting unneurotic 3 consecutive years of specified returns has proven to beryllium overmuch much difficult.

As antecedently alluded to, this feat has occurred lone 8 times. Since the S&P 500 existed successful its existent signifier with 500 members, a three-year streak of 15% oregon much gains has happened lone 4 times.

The predecessor to the S&P 500 archetypal delivered gains of astatine slightest 15% for 3 consecutive years betwixt 1942 and 1944. With the U.S. inactive successful a wartime economy, the scale soared different 36% successful 1945. That instrumentality notched the 2nd three-year streak of 15% oregon much gains.

However, past buffs cognize that World War II ended successful 1945. The factories that had been moving astatine afloat capableness to nutrient equipment, supplies, and weapons needed for the subject slowed down. In 1946, the aboriginal mentation of the S&P 500 declined by astir 8%.

A fewer years passed earlier different bull marketplace began. From 1949 done 1951, the scale again roseate by astatine slightest 15% each year. This momentum continued into 1952, with an 18% gain, which provided different three-year streak of returns of 15% oregon more. But the banal market's sizzle fizzled somewhat. In 1953, the S&P 500's predecessor slipped by astir 1%.