American Electric Power Company, Inc. (AEP)

AEP Market Cap

AEP has a market cap or net worth of $71.52 billion as of March 17, 2026. Its market cap has increased by 24.62% in one year.

• Market Cap: 71.52B
• Enterprise Value: 120.80B
• 1-Year Change: 24.62%
• Ranking: #229
• Category: Large-Cap
• Stock Price: $133.62

Market Cap Chart

Since December 1, 1998, AEP's market cap has increased from $8.98B to $71.52B, an increase of 696.29%. That is a compound annual growth rate of 7.89%.

Market Cap History

Date	Market Cap	% Change
Mar 17, 2026	72.27B	17.09%
Dec 31, 2025	61.72B	25.66%
Dec 31, 2024	49.12B	15.00%
Dec 29, 2023	42.71B	-12.46%
Dec 30, 2022	48.79B	8.89%
Dec 31, 2021	44.81B	8.41%
Dec 31, 2020	41.33B	-11.46%
Dec 31, 2019	46.68B	26.67%
Dec 31, 2018	36.86B	1.84%
Dec 29, 2017	36.19B	16.89%
Dec 30, 2016	30.96B	8.25%
Dec 31, 2015	28.60B	-3.73%
Dec 31, 2014	29.71B	30.43%
Dec 31, 2013	22.78B	9.97%
Dec 31, 2012	20.71B	3.82%
Dec 30, 2011	19.95B	15.44%
Dec 31, 2010	17.28B	3.99%
Dec 31, 2009	16.62B	23.73%
Dec 31, 2008	13.43B	-27.89%
Dec 31, 2007	18.62B	10.57%
Dec 29, 2006	16.84B	15.35%
Dec 30, 2005	14.60B	7.46%
Dec 31, 2004	13.59B	12.75%
Dec 31, 2003	12.05B	30.14%
Dec 31, 2002	9.26B	-33.98%

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