Ian's Blog: Nominal Returns · 4 November 2026 · Additional Read

Why You Should Be Worried About Negative Beta Stocks

Ian Gutterman

Nearly 40% of S&P 500 stocks now exhibit negative beta, moving inversely to the market—a phenomenon last seen at the dot-com peak. While the magnitude is modest (mostly near zero rather than -1), the prevalence signals an unhealthy market structure worth monitoring as a potential precursor to a downturn.

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Topics: Venture Capital & Startups

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