Finance1 min read

Stock market after midterm elections: What S&P 500 history shows

By · Published by Everything Blog

In short

The S&P 500 posted positive one-year returns following every midterm election contest between 1982 and 2022. Markets tend to perform best under split control, outperforming the gains recorded when one party sweeps both the executive and legislative branches. Even so, analysts stress that wider macroeconomic conditions, such as corporate earnings and Federal Reserve decisions, ultimately govern market trajectory. Recent factors like artificial intelligence momentum and global bond yields continue to exert substantial influence on market performance.

Key points

  • Historical index gains occurred after all eleven midterm contests evaluated between 1982…: Historical index gains occurred after all eleven midterm contests evaluated between 1982 and 2022.
  • Positive returns were recorded a year later in 91% of both presidential and midterm elect…: Positive returns were recorded a year later in 91% of both presidential and midterm election cycles.
  • Broader macroeconomic drivers like Federal Reserve policy can overshadow political outcom…: Broader macroeconomic drivers like Federal Reserve policy can overshadow political outcomes, as observed in the 2000 and 2020 market disruptions.

Sources checked by our analysis pipeline: 1

Markets are sweating it out ahead of the midterm elections, but the event historically heralds strong performance for stocks — regardless of whether it's a red or blue wave, split decision, or status quo in Washington.

The S&P 500 tends to perform well after both midterm and presidential elections. According to a CNBC analysis of S&P 500 returns after elections from 1980 through 2024, the index rose an average of 0.2% after one day and one week, and 1.1% after one month across both presidential and midterm elections.

A year later, the index gained an average of 13.7% after midterms and 13.8% after presidential elections. Returns were positive in 91% of cases. And the S&P 500 was up after all 11 midterms from 1982 through 2022.

Short-term returns were less reliable, particularly after presidential contests, which produced slightly negative average returns after one day and one week.

"There's some anxiousness before these elections," Ryan Detrick, CNBC contributor and chief market strategist at Carson Group, told CNBC. "Once you are through it, it's a big relief and markets tend to do…

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