Midterms are setting up stocks for a ‘sell the rumor, buy the news’ event, says Alpine Macro

The S&P 500 has gained 11% in the nine months leading up to the Nov. 3 midterms, versus a 1.6% average return across the prior 14 midterm cycles; Alpine Macro strategist Nick Giorgi warned of possible equity trimming and near-term downside. He views any dip as a buying opportunity, citing an average 13.8% S&P 500 price return in the nine months after midterms since 1970 and a 14% average return under divided government. Kalshi markets imply a 66% chance Democrats gain the Senate and a 90% chance they control the House; the article notes these odds are not substitutes for political polls.

Analysis

The useful signal is positioning, not the historical election averages: a strong pre-election tape may leave less incremental demand and make a modest disappointment trigger profit-taking. But the cited post-election returns are not a forecast; they span different inflation, rate and earnings regimes, and political odds are not a reliable measure of investor positioning. A divided government could reduce the probability of large policy changes, but that benefit is conditional and may already be priced.

Days to the vote, expect headline-driven volatility and potentially asymmetric downside if investors are crowded long; the near-term risk is a pullback, not evidence by itself of a structural bear market. Over 1–3 months, election uncertainty clearing can help sentiment, but earnings revisions, real yields and the Fed should determine whether dip-buying works. Over 6–18 months, policy implementation and fiscal decisions matter more than the election result alone. The contrarian point: a shallow, volatility-driven decline could be an opportunity, but buying solely because of the historical average risks ignoring a deterioration in fundamentals. No company-specific exposure is identified, so a broad-index expression is more defensible than sector bets.

Key Decisions for Investors

• Avoid adding broad equity beta immediately just on the seasonal thesis. For portfolios with near-term drawdown limits, consider a temporary SPY put spread or reduce excess index exposure into the vote; compare the hedge cost with implied volatility before execution, and avoid naked puts.
• Set a staged re-entry plan for SPY or S&P 500 futures after a volatility-led pullback rather than trying to call the exact low. Add only while earnings estimates and real-yield conditions remain stable; scale back if estimates begin falling broadly or real yields rise materially.
• Treat election-result headlines and prediction-market odds as catalysts for short-term volatility, not stand-alone trade signals. Reassess after the result and the first policy-response details; the thesis is weakened if post-election uncertainty persists or policy outcomes materially worsen earnings expectations.
• No high-conviction directional trade is warranted from this evidence alone. Track equity positioning, index option pricing, earnings-revision breadth and real yields; a rally with deteriorating revisions would argue against buying the dip, while contained volatility and stable revisions would support the staged-add approach.