Why investors shouldn’t be spooked by fears of an October stock-market crash

The notion that October is uniquely dangerous for stocks is a well-worn piece of market folklore. It draws its credibility from a handful of dramatic episodes — 1929, 1987, and the 2008 financial crisis all had significant October moments — while ignoring the many Octobers that passed quietly. This is a classic case of availability bias: vivid, painful memories feel more probable than they statistically are. Research on seasonal patterns has generally found little evidence that October delivers systematically worse returns than any other month.

For investors, the practical takeaway is not to trade around the calendar but to recognise how narratives can distort perception. If enough market participants act on the belief that a crash is imminent, that fear itself can create short-term volatility — which may present opportunities for those who keep a longer horizon and a disciplined process.

What to watch: whether elevated caution shows up in options pricing, fund flows, or volatility measures. Those gauges reveal sentiment, not destiny. October deserves the same scrutiny as any other month — no more, no less.