The S&P 500 Has Gained More Than 33% Since Trump's Election. Here's What That Means for Investors Heading Into Midterms.

The S&P 500 is up 33.5% since Trump’s Nov. 5, 2024 reelection, despite recession fears and brief pullbacks tied to tariff announcements and the Iran-war episode. The article argues that midterm outcomes are unlikely to dominate returns unless polling shifts into clear, lopsided election advantages, in which case volatility could rise as House/Senate control remains uncertain. It highlights supportive fundamentals—rising corporate profits, AI-driven business investment, steady consumer spending, and low layoffs—while noting inflation remains a persistent concern but hasn’t curtailed spending.

Analysis

The market implication here is less about direction than dispersion. Elections are usually a short-vol event: if control looks settled, broad indices should stay anchored by earnings and capex, but if control is ambiguous or contested, the first reaction is typically a temporary widening in equity risk premia and a rotation into balance-sheet quality. That argues for thinking in terms of hedges around the event window rather than making a macro bet on a winner.

The more durable driver is AI spend, and that continues to favor NVDA as the cleanest revenue-sensitive beneficiary. Second-order winners are the semicap ecosystem, networking, and power infrastructure names that monetize capex intensity without needing consumer demand to cooperate; if those budgets hold, earnings revisions can keep the entire AI complex supported even if headline politics gets noisy. The main falsifier is a visible slowdown in hyperscaler capex or any two-quarter deceleration in data-center demand commentary.

The contrarian angle is that consensus may be underestimating how little the election outcome matters for the dominant 1-3 month tape unless it changes policy in a way that actually alters tariffs or energy costs. A clearer result could reduce uncertainty and help cyclicals, while a divided or contested outcome mostly creates tradable volatility. Over 6-18 months, lower tariffs would matter more for margin-sensitive consumer and industrial names than for mega-cap tech, so the real portfolio issue is not election direction but policy regime shift.

Key Decisions for Investors

• Stay long NVDA/SMH on 1-3 month horizon; add on election-driven weakness rather than chasing strength. Risk/reward is favorable as long as data-center capex remains intact; exit if the next earnings cycle shows a meaningful guide-down in AI-related demand.
• Buy short-dated SPY or QQQ downside protection into the election window if implied volatility remains muted. This is a hedge, not a directional bet; it should pay if results are delayed or contested and can be monetized once clarity returns.
• If polls imply a clean outcome, fade the volatility premium by selling near-term index vol after the event rather than before it. The thesis is that any election-induced dislocation is likely days, not months, while earnings still dominate 2026 returns.
• Watch XLY, IYT, and XHB for a post-election relative-value long if policy risk shifts toward lower tariffs and lower energy input costs. These groups could outperform over 6-18 months even if the broad market is flat, but only if policy actually changes.