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Investors might hold Constellation Energy (CEG) as a power company and view power stocks as a calm corner of the market. Constellation has not been calm lately. On October 26, 2026, its shares closed 36.8% below their highest close of the past year. Over the past month they lost 4.1%, while NextEra Energy, Duke Energy and Southern gained between 7.8% and 11.7%. So how far has Constellation stock fallen when the whole market turned, and how long did it stay down?

How Far Has Constellation Stock Fallen In Market Shocks?

Constellation has usually fallen further than the S&P 500 when the broader market turned. Across the five market shocks…