Markets Will Likely Rebound After November Election
Investors looking at historical trends may see stock market gains in the months following the U.S. midterm elections.
Updated on Sept. 28, 2026 in Investing
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Financial analysts project that stock markets will likely rebound following the U.S. midterm elections on November 3, 2026. This outlook accounts for historical post-election performance and potential legislative shifts in clean energy policy.
Why it matters
The election outcomes could influence market demand for specific sectors like power grid infrastructure and renewable energy, where clean energy tax credits may be restored. Because both major political parties support grid upgrades, some analysts anticipate bipartisan momentum for power equipment investments.
Since 1975, the KOSPI has averaged a 2.9% return in the three months following midterm elections, while the S&P 500 has averaged a 6.1% gain over the same timeframe since 1964. Markets have faced recent headwinds, including a -0.84% average return for the KOSPI in September.
The players
Democratic Party
A major political entity whose potential control of Congress could restore clean energy tax credits and drive sector-specific investment demand.
Polymarket
A prediction platform providing probability data on electoral outcomes that investors use to adjust market expectations.
The details
Investors are currently monitoring polling data, such as the 62% probability of a Democratic sweep indicated by Polymarket, to adjust their portfolio positions ahead of the November vote. If Democrats gain control of Congress, analysts expect increased demand for renewable energy and energy storage systems. Meanwhile, foreign investors have maintained a trend of net selling of Korean stocks since July 2026, a move analysts are watching as markets enter the historically weaker month of September.
Timeline
1964: Start of S&P 500 midterm historical data tracking.
1975: Start of KOSPI midterm historical data tracking.
July 2026: Foreign investors began net selling of Korean stocks.
September 2026: Period of seasonal weakness in domestic and international markets.
November 3, 2026: Date of the U.S. midterm elections.
Money Landscape
This projected rebound follows the historical trend of markets recovering in the months after U.S. midterm elections. While historical data provides a benchmark, current market sentiment is also heavily influenced by the ongoing net selling by foreign investors in Korean markets.
Investors may see volatility as the November 3 election nears, with potential shifts in sector-specific demand for energy-related stocks. Speak with a qualified financial professional to determine if your portfolio exposure aligns with your long-term risk tolerance.
The takeaway
Market rebounds after midterm elections have historically provided gains, but these returns are not guaranteed outcomes for individual portfolios. Consult a qualified financial professional to review your current asset allocation before the upcoming November elections.
What happens next
The U.S. midterm elections will occur on November 3, 2026, which remains the primary catalyst for the market shifts described by analysts.
Further reading
For more on building a resilient portfolio during election cycles, see our guide to Investing.
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