Prediction: September Will Be Volatile, but Stocks Will Rally After November Midterms

The article flags elevated September-October equity volatility ahead of the Nov. 3 midterm elections: the S&P 500 has averaged a -1.1% return in September since 1928 and declined by 5% or more in 63% of the last 24 midterm-election pre-election periods. It argues that the longer-term setup is constructive, citing S&P 500 gains in 95% of the 12-month periods after midterms since 1938 and an average 14.5% return since 1950. Near-term risks include the Iran war, weak consumer conditions, AI concerns and potentially rising interest rates, while the recommendation is to maintain regular index-ETF investing and retain some cash for potential October bargains.

Analysis

The seasonal/election setup is a weak standalone alpha signal: the relevant sample is small, policy regimes differ materially, and the post-election return profile is likely contaminated by recession recoveries and easing cycles. With rates, geopolitics and AI-capex expectations driving index-level discount rates, a calendar-based de-risking wave should be treated as a liquidity event rather than a directional forecast. The actionable near-term risk is that systematic volatility-targeting and CTA exposure could amplify a selloff if SPX breaks key trend support while realized volatility rises; this would pressure high-beta growth disproportionately.

NVDA is the cleaner expression of index-duration risk than NFLX. A rate-driven multiple reset or evidence of AI infrastructure digestion would hit NVDA through both valuation and hyperscaler capex expectations, whereas NFLX has more idiosyncratic support from operating leverage, pricing and ad-tier execution. Conversely, a broad pre-election drawdown that occurs without a deterioration in earnings revisions would create a more attractive entry point in secular compounders than in banks, industrial cyclicals or highly levered small caps, where higher yields can still impair fundamentals.

Over the next 1-3 months, monitor equity earnings-revision breadth, HY spreads and the 10-year real yield rather than headline election polling. A decline in volatility after the election only becomes sustainably risk-on if real yields stabilize and forward EPS estimates stop falling. Over 6-18 months, election outcomes matter primarily through fiscal-deficit expectations, tariff implementation and sector-specific regulation—not through the election date itself; consensus may be overpaying for a mechanical year-ahead rally while underpricing term-premium and deficit risk.

Key Decisions for Investors

• Do not add directional SPX beta solely on the seasonal pattern; maintain core exposure but reserve incremental risk for a volatility-led dislocation. Trigger a review if VIX exceeds 25 and SPX earnings revisions remain positive—conditions more consistent with flow-driven rather than fundamental selling.
• Use a 1-3 month pair: long NFLX / short NVDA in equal dollar notional if 10-year real yields resume rising and AI-capex revisions flatten. The trade isolates duration/multiple vulnerability; exit if NVDA hyperscaler demand commentary improves or NFLX subscriber/advertising KPIs weaken.
• For long-term NVDA exposure, wait for either a 15-20% drawdown with unchanged next-twelve-month EPS estimates or confirmation that major cloud capex budgets remain above expectations. Avoid treating a calendar correction as sufficient evidence of value.
• Hedge broad equity exposure into the volatile window with limited-cost SPY put spreads rather than outright cash de-risking, but only if implied volatility remains below realized-volatility expectations. Remove hedges if HY spreads remain contained and real yields decline, which would invalidate a disorderly-risk-off thesis.
• Keep an alert on 10-year real yields and HY OAS: a sustained real-yield rise alongside HY spread widening would favor reducing growth and small-cap beta; stable spreads with falling yields would favor adding quality growth after any selloff.