American Electric Power Co's quarterly market cap
increased
from Sep. 2025 ($60,202 Mil) to Dec. 2025 ($62,367 Mil) and
increased
from Dec. 2025 ($62,367 Mil) to Mar. 2026 ($71,304 Mil).
American Electric Power Co's annual market cap
increased
from Dec. 2023 ($42,737 Mil) to Dec. 2024 ($49,150 Mil) and
increased
from Dec. 2024 ($49,150 Mil) to Dec. 2025 ($62,367 Mil).
Enterprise Value is the theoretical takeover price. It is more comprehensive than market capitalization (market cap), which only includes common equity. Enterprise Value is calculated as the market cap plus debt and minority interest and preferred shares, minus total cash and cash equivalents. American Electric Power Co's Enterprise Value for Today is $125,922 Mil.
American Electric Power Co (NAS:AEP) Market Cap Explanation
Market cap is not the real price you pay for a company. If you buy the company and become its owner, you become the owner of the cash the company has, and you also assume the companys debt. The real price you pay is the Enterprise Value.
Warren Buffett uses the ratio of total market cap of all public traded companies over GDP to measure if the market is expensive. As of April 2012, the US total market cap is about $14.7 trillion, while the US GDP is about $15 trillion. The market was modestly overvalued.
American Electric Power Co Market Cap Related Terms
American Electric Power Co Market Cap Historical Data
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
For the Utilities - Regulated Electric subindustry, American Electric Power Co's Market Cap, along with its competitors' market caps and Market Cap data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
American Electric Power Co Market Cap vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, American Electric Power Co's Market Cap distribution charts can be found below:
* The bar in red indicates where American Electric Power Co's Market Cap falls into.
Market cap is the short version of market capitalization. It is the total market value to buy the whole company. It is equal to the share price times the number of shares outstanding.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
American Electric Power Co (AEP) has a Market Cap of $73,492 Mil as of Jun. 24, 2026. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on American Electric Power Co and its competitors. According to the industry distribution chart, American Electric Power Co ranks #9 out of 513 companies in the Utilities - Regulated industry, placing it in the top 1.8%.
Is American Electric Power Co's Market Cap too high?
American Electric Power Co's current Market Cap is $73,492 Mil. The Utilities - Regulated industry median Market Cap is 928.73. American Electric Power Co's value of $73,492 Mil is 7813.2% above this industry median. Based on the distribution chart, American Electric Power Co ranks #9 out of 513 companies in the Utilities - Regulated industry, which is in the top quartile — a strong position relative to peers. Overall, American Electric Power Co has a GF Score™ of 78/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does American Electric Power Co's Market Cap compare to D and ETR?
According to the Utilities - Regulated industry distribution chart, American Electric Power Co ranks #9 out of 513 companies for Market Cap. This places American Electric Power Co in the top 2% of its industry — outperforming the majority of peers. The industry median Market Cap is 928.73. American Electric Power Co's value of $73,492 Mil is 7813.2% above this benchmark. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Market Cap for an Utilities - Regulated company?
The median Market Cap among Utilities - Regulated companies is 928.73, based on 513 companies in the industry. Companies in the top quartile (top 25%) have a Market Cap significantly above this median, while those in the bottom quartile fall well below. However, Market Cap should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. American Electric Power Co's current Market Cap of $73,492 Mil is 7813.2% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Market Cap mean?
A high Market Cap can signal that a stock is expensive relative to its fundamentals. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on American Electric Power Co and its competitors. For the Utilities - Regulated industry, the median Market Cap is 928.73 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. American Electric Power Co's current Market Cap is $73,492 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is American Electric Power Co stock overvalued right now?
Based on GuruFocus' analysis, American Electric Power Co (AEP) is currently considered Modestly Overvalued. The stock's GF Value™ is $110.98, compared to a current price of $135.07 — trading 21.7% above its estimated fair value. The current Market Cap is $73,492 Mil and 7813.2% above the Utilities - Regulated industry median of 928.73. American Electric Power Co's overall GF Score™ is 78/100 with 10 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Market Cap calculated?
Market Cap is calculated from a company's financial statements. For American Electric Power Co (AEP), the current Market Cap is $73,492 Mil as of Jun. 24, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is American Electric Power Co (AEP) Overvalued in 2026?
Based on GuruFocus' analysis, American Electric Power Co stock appears to be overvalued.
The current stock price of $135.07 is trading 21.7% above its estimated GF Value™ of $110.98.
GuruFocus considers American Electric Power Co to be Modestly Overvalued.
Key valuation signals for AEP:
Market Cap: $73,492 Mil
GF Value™: $110.98 vs. price of $135.07 (21.7% above fair value)
Industry Position: 7813.2% above the Utilities - Regulated median (#9 of 513)
No single metric tells the full story. See the AEP stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
American Electric Power is one of the largest regulated utilities in the United States, providing electricity generation, transmission, and distribution to more than 5 million customers in 11 states. About 39% of AEP's capacity is coal, with the remainder from a mix of natural gas (28%), renewable energy and hydro (23%), nuclear (7%), and demand response (3%). Vertically integrated utilities, transmission and distribution, and generation and marketing support earnings.
78GF Score
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