Southern fell 11.4% in a year. American Electric Power rose 4.8%.

Same industry

SO against four utility peers, a year at 100

SO is down 11.4% in a year. American Electric Power is up 4.8%, Dominion Energy is down 0.4% and Nextera Energy 4.0%. Of these four, only Constellation Energy (−28.5%) did less. Weekly closes, Oct 3, 2025 = 100, on a log scale, so the same percentage move is the same height on every line.

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SO −11.4%. American Electric Power +4.8%, Dominion Energy −0.4%, Nextera Energy −4.0%, Constellation Energy −28.5%. Weekly closes, Oct 3, 2025 = 100, log scale.

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End-of-day closes (Databento EOD), the last close of each week. The four peers are the largest US-listed companies by market value in SO’s SEC industry (Electric Services) with a year of closes. It shows what the closes did; a move here is not a cause, a forecast or a call.

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