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American Electric Power Company, Inc. (AEP) Market Cap

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AMERICAN ELECTRIC POWER CO INC Market Cap

Market capitalization is the total value the stock market puts on a company: its share price multiplied by the number of shares outstanding. Each point here is the share count reported in a filing multiplied by the closing price on that filing date, adjusted for later stock splits, so the history moves when a new filing arrives rather than with each day's trading. A larger market cap means investors collectively value the company more highly; by itself it says nothing about profit or debt. Annual points keep the latest observation in each calendar year.

  • AMERICAN ELECTRIC POWER CO INC market cap for the quarter ending 2026-05-05 was $74.59B, a 29.96% increase year-over-year.
  • AMERICAN ELECTRIC POWER CO INC market cap for the quarter ending 2025-12-31 was $62.37B, a 26.90% increase year-over-year.
  • AMERICAN ELECTRIC POWER CO INC market cap for the quarter ending 2025-10-29 was $65.37B, a 27.53% increase year-over-year.
  • AMERICAN ELECTRIC POWER CO INC market cap for the quarter ending 2025-07-30 was $60.6B, a 16.04% increase year-over-year.
  • AMERICAN ELECTRIC POWER CO INC market cap for fiscal 2026 was $74.59B.
  • AMERICAN ELECTRIC POWER CO INC market cap for fiscal 2025 was $62.37B, a 26.90% increase from fiscal 2024.
  • AMERICAN ELECTRIC POWER CO INC market cap for fiscal 2024 was $49.15B, a 15.01% increase from fiscal 2023.
  • AMERICAN ELECTRIC POWER CO INC market cap for fiscal 2023 was $42.74B, a 12.41% decline from fiscal 2022.
Available history
2009-06-30 to 2026-05-05
Data captured

Historical Market Cap

DateMarket Cap
2026-05-05$74.59B
2025-12-31$62.37B
2025-10-29$65.37B
2025-07-30$60.6B
2025-05-06$57.39B
2024-12-31$49.15B
2024-11-06$51.26B
2024-07-30$52.22B
2024-04-30$45.35B
2023-12-31$42.74B
2023-11-02$41.67B
2023-07-27$43.92B
2023-05-04$47.07B
2022-12-31$48.79B
2022-10-27$44.8B
2022-07-27$49.47B
2022-04-28$52.6B
2021-12-31$44.86B
2021-10-28$42.66B
2021-07-22$42.46B
2021-04-22$43.95B
2020-12-31$41.35B
2020-10-22$45.77B
2020-08-06$42.36B
2020-05-06$39.06B
2019-12-31$46.7B
2019-10-24$47.28B
2019-07-25$43.99B
2019-04-25$41.86B
2018-12-31$36.87B
2018-10-25$36.26B
2018-07-26$35.02B
2018-04-26$34.36B
2017-12-31$36.2B
2017-10-26$36.28B
2017-07-27$34.76B
2017-04-27$33.49B
2016-12-31$30.96B
2016-11-01$31.16B
2016-07-28$33.89B
2016-04-28$30.98B
2015-12-31$28.61B
2015-10-22$29.04B
2015-07-23$26.78B
2015-04-23$27.88B
2014-12-31$29.72B
2014-10-23$27.05B
2014-07-24$26.39B
2014-04-23$25.33B
2013-12-31$22.8B
2013-10-24$22.77B
2013-07-25$22.3B
2013-04-25$24.67B
2012-12-31$20.73B
2012-10-25$21.31B
2012-07-26$20.34B
2012-04-26$18.7B
2011-12-31$19.97B
2011-10-28$19.04B
2011-07-29$17.78B
2011-04-29$17,575.73T
2010-12-31$17.3B
2010-09-30$17,400.41T
2010-06-30$15,485.82T
2010-03-31$16.37B
2009-12-31$16.63B
2009-10-28$14.17B
2009-06-30$13.77B

Annual Market Cap

DateMarket Cap
2026-05-05$74.59B
2025-12-31$62.37B
2024-12-31$49.15B
2023-12-31$42.74B
2022-12-31$48.79B
2021-12-31$44.86B
2020-12-31$41.35B
2019-12-31$46.7B
2018-12-31$36.87B
2017-12-31$36.2B
2016-12-31$30.96B
2015-12-31$28.61B
2014-12-31$29.72B
2013-12-31$22.8B
2012-12-31$20.73B
2011-12-31$19.97B
2010-12-31$17.3B
2009-12-31$16.63B

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