The last time this situation occurred in the U.S. stock market was in 2008

Wallstreetcn
2026.02.28 00:56
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In February 2023, the U.S. stock market experienced a situation similar to that of 2008, with the degree of decoupling between individual stocks and stock indices reaching an unprecedented level. Despite the impact of AI technology on various industries, U.S. economic data remains robust, and cyclical stocks continue to rise. It is expected that by the end of the year, the implied volatility spread between individual stocks and indices will reach 18 volatility points, the highest since the 2008 financial crisis