This chart shows that buying and holding stocks beats ‘sell in May and go away' and other gimmicks

The article discusses the seasonal “Sell in May and go away” strategy, also known as the Halloween Indicator, which advises moving to cash from May Day through Halloween. The approach is based on the historical pattern that equities have generated most long-term returns during the November-to-April period.

Analysis

The seasonal window is better treated as a positioning and liquidity backdrop than a standalone return signal. A mechanical re-entry into equities can coincide with year-end pension contributions, tax-loss harvesting reversals, benchmark rebalancing, and lower holiday liquidity, but those flows are unlikely to overcome an adverse earnings-revision or rates regime. The actionable question is whether systematic and discretionary investors enter November underinvested after a strong October, creating incremental demand for high-beta index exposures rather than broad-based stock selection alpha.

Consensus risk is that the calendar effect becomes crowded precisely when it is widely publicized. If equity volatility is suppressed and dealer gamma is positive, seasonal inflows may extend an existing rally; if volatility rises, systematic vol-targeting funds can de-risk despite the seasonal tailwind, making the historical pattern irrelevant over days to weeks. For the next 1-3 months, monitor S&P 500 earnings-revision breadth, real yields, VIX term structure, and CTA positioning; deterioration in two or more of these factors would falsify a seasonal-risk-on thesis. Over 6-18 months, valuation and earnings growth—not the calendar—will determine whether any seasonal entry point compounds capital.

Key Decisions for Investors

• No standalone directional trade: do not rotate to cash or re-enter equities solely on the Halloween seasonal rule; the stated signal has low standalone impact and lacks a defined macro or earnings catalyst.
• Use a conditional SPY or QQQ tactical long only if VIX remains below 20, the VIX futures curve stays in contango, and earnings-revision breadth is stable-to-positive through the first two weeks of November; target a 4-6% upside over 1-3 months with a 2% stop or reversal if real yields rise sharply.
• If October produces a volatility spike and equities enter November below their 200-day moving average, prefer defined-risk exposure via SPY 3-month call spreads rather than cash-equity beta; this preserves participation in seasonal flow support while capping downside if systematic deleveraging persists.
• Watch CTA and equity-fund flow data rather than headline seasonality. A heavily long systematic complex combined with weak breadth is a contrarian warning: reduce beta or consider a modest long VIX / short QQQ hedge into year-end.