American Electric Power Company, Inc. (AEP)

NASDAQ: AEP · Real-Time Price · USD

131.87

-0.17 (-0.13%)

At close: Mar 6, 2026, 4:00 PM EST

131.82

-0.05 (-0.04%)

After-hours: Mar 6, 2026, 7:36 PM EST

AEP Market Cap

AEP has a market cap or net worth of $71.32 billion as of March 6, 2026. Its market cap has increased by 28.26% in one year.

Market Cap

71.32B

Enterprise Value

120.60B

1-Year Change

28.26%

Ranking

#228

Market Cap Chart

Since December 1, 1998, AEP's market cap has increased from $8.98B to $71.32B, an increase of 694.08%. That is a compound annual growth rate of 7.89%.

Market Cap History

Date	Market Cap	% Change
Mar 6, 2026	71.32B	15.56%
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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Market Capitalization

Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.

Formula: Market Cap = Stock Price * Shares Outstanding

Full Definition

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Market Cap Rankings