Stock market after midterm elections: What S&P 500 history shows
The S&P 500 has risen in the year following every midterm election since 1982, averaging a 13.7% gain. Historical data indicates these returns increase to 15% under a divided government. While Bitcoin has followed a similar upward trend after midterms, analysts warn that 2026 faces unique pressures. Current risks include high interest rates, AI concentration, and oil-related volatility that may disrupt this 11-election winning streak. Investors are currently evaluating how congressional control will impact federal spending and the outlook for artificial intelligence.
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- ✓ The S&P 500 has gained in each year following 11 consecutive midterm elections since 1982.
- ✓ The average one-year S&P 500 gain after midterm elections is 13.7%.
- ✓ Divided government following midterms is associated with an average S&P 500 gain of 15%.
- ✓ Bitcoin has risen a year after past midterm elections.
What changed
Historical S&P 500 performance data and current risk factors for the 2026 post-election period were identified.
Live updates
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S&P 500 Historically Gains After US Midterm Elections
The S&P 500 has risen in the year following every midterm election since 1982, averaging a 13.7% gain. Historical data indicates these returns increase to 15% under a divided government. While Bitcoin has followed a similar upward trend after midterms, analysts warn that 2026 faces unique pressures. Current risks include high interest rates, AI concentration, and oil-related volatility that may disrupt this 11-election winning streak. Investors are currently evaluating how congressional control will impact federal spending and the outlook for artificial intelligence.
Why it matters
Midterm elections often create a predictable seasonal pattern for US equity markets. This historical reliability helps investors gauge risk during periods of political transition. The 2026 cycle is viewed by some as particularly consequential due to the intersection of fiscal policy and emerging technology.
What is confirmed
- The S&P 500 has gained in each year following 11 consecutive midterm elections since 1982.
- The average one-year S&P 500 gain after midterm elections is 13.7%.
- Divided government following midterms is associated with an average S&P 500 gain of 15%.
- Bitcoin has risen a year after past midterm elections.
Still unconfirmed
- The New York Times suggests markets do not care about the midterms.
What to watch next
- Federal spending legislation impacting AI development.
confidence 90%Sources used for this update (18)
- economictimes.indiatimes.com — Business News Live, Share Market News - Read Latest Finance News, IPO ...
- stocktwits.com — Stocktwits - Stock Market Live Quotes, Social Community...
- www.bitget.com — Propland Price Prediction , PROPrice Prediction 2025
- www.cnbc.com — Oil today: Iran, US, crude, wti, brent, trump
- The New York Times — Why the Markets Don’t Care About the Midterms
- Morgan Stanley — 2026 Midterms: Seven Questions That Matter for Markets
- Financial Times — Bond investors sit out ‘most consequential’ US midterm elections in years
- Reuters — Investors gaming out Congress control for spending, AI outlook
- Reuters — Sectors bracing for a pivot as US midterm elections loom
- CNBC — Stock market after midterm elections: What S&P 500 history shows
- Robin J Brooks | Substack — How Will Markets Trade the Midterm Elections?
- Yahoo Finance — Analysis-Investors gaming out Congress control for spending, AI outlook
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