American Electric Power Company, Inc. (AEP)
NASDAQ: AEP · Real-Time Price · USD
119.40
+1.29 (1.09%)
At close: Jan 15, 2026, 4:00 PM EST
119.80
+0.40 (0.34%)
After-hours: Jan 15, 2026, 7:58 PM EST
AEP Market Cap
AEP has a market cap or net worth of $63.77 billion as of January 15, 2026. Its market cap has increased by 29.44% in one year.
Market Cap
63.77B
Enterprise Value
110.37B
1-Year Change
29.44%
Ranking
Category
Stock Price
$119.40
Market Cap Chart
Since December 1, 1998, AEP's market cap has increased from $8.98B to $63.77B, an increase of 609.99%. That is a compound annual growth rate of 7.49%.
Market Cap History
| Date | Market Cap | % Change |
|---|---|---|
| Jan 14, 2026 | 63.22B | 2.43% |
| 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% |
View and export this data all the way back to 1998. Sign Up Today.
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 DefinitionRelated Stocks
| Company | Market Cap |
|---|---|
| NextEra Energy | 171.17B |
| Constellation Energy | 123.64B |
| The Southern Company | 97.76B |
| The Southern Company | 97.36B |
| Duke Energy | 92.46B |
| National Grid | 78.57B |
| Vistra | 61.05B |
| Sempra | 59.77B |