• Deutsche Bank (NYSE:DB) research shows the S&P 500 rose in 21 of 23 midterm-year fourth quarters, averaging a 7% gain — a 91% historical frequency, not a probability.
  • Investors enter Election Day amid a technology-led correction, with the Nasdaq-100 more than 10% below its record close.
  • Options markets price a modest 0.8% move for Wednesday, as earnings and Fed policy loom larger than political outcomes.

A Familiar Seasonal Tailwind

As Americans head to the polls today, Wall Street is eyeing a well-worn seasonal pattern: midterm elections have historically been a launchpad for equities. Deutsche Bank strategist Parag Thatte notes that over the past 23 midterm election years, the S&P 500 posted fourth-quarter gains in 21 of them — a 91% success rate — with an average gain of roughly 7%. The pitch is simple: once the uncertainty of congressional control clears, markets tend to breathe a sigh of relief.

But this year, the historical script is competing with a very different narrative. U.S. stock-index futures were mixed early Tuesday, and the Nasdaq-100 finished Monday more than 10% below its record closing high, entering correction territory as investors question the returns on heavy AI investment. The technology-led selloff has cast a shadow over the typically bullish midterm setup.

Correction 'Final Innings'?

Morgan Stanley (NYSE:MS)’s Michael Wilson, a prominent voice on the selloff, said on November 2 that the market correction was in its “final innings” and that the election could remove an important overhang. However, he flagged renewed escalation with Iran or additional tariffs as potentially bigger risks after the vote. His view underscores a broader tension: the election may clear one hurdle, but it doesn’t erase geopolitical and trade uncertainties that have rattled markets all year.

Options markets are not signaling an exceptionally large immediate reaction. According to ORATS data reported by Reuters (NASDAQ:TRI), S&P 500 options implied a roughly 0.8% move in either direction on Wednesday, versus an average implied daily move of 0.6% over the preceding month. That suggests investors are braced for volatility but not a seismic shift — at least not from the election alone.

Beyond the Ballot Box

The historical pattern is compelling but often misunderstood. The 21-out-of-23 figure is a frequency, not a probability; it does not guarantee a 7% gain this quarter. Moreover, Deutsche Bank’s research presentations use different measurement windows — the fourth quarter of midterm years versus a one-month-before to two-months-after election window — with average and median returns that are not directly comparable. Neither statistic establishes causation.

What matters more, perhaps, is the backdrop. The Federal Reserve held rates steady last week, and markets are pricing a roughly 75% chance of a December increase, according to Reuters. Friday’s October employment report looms as the next major test. Meanwhile, third-quarter U.S. GDP growth came in at a 3.4% annualized rate, with business investment up 12.7%, reflecting the AI capex boom that has both powered the market and become a source of anxiety. Wilson’s team noted that 60% of Russell 3000 stocks have already suffered declines of at least 20% since June — a sign of significant damage beneath the large-cap surface.

Political polling reported by Reuters favors Democrats taking the House, while Senate control remains uncertain. A change in congressional control would most visibly increase oversight of the administration and complicate fiscal negotiations, but it would not automatically reverse executive-branch policies. Technology and data centers, budgets and borrowing, and sector-specific regulation are the key areas to watch.

For now, the historical midterm tailwind offers a constructive backdrop, not a reliable target. Whether it holds in 2026 will depend on earnings durability, AI investment returns, inflation, Fed policy and the post-election fiscal and geopolitical environment. As Apple (NASDAQ:AAPL) fell about 4.5% in early premarket trading after warning that memory-chip costs would pressure holiday-quarter margins, and Palantir (NASDAQ:PLTR) forecast fourth-quarter revenue above estimates, the message is clear: once the election passes, company earnings and cash generation may matter more than seasonality.