AEP Market Cap History
Below is a table of the AEP market cap history going back to 4/29/2010:

Date AEP Market Cap
4/29/201016.21B
7/29/201017.31B
10/29/201017.98B
12/31/201017.30B
4/29/201117.58B
7/28/201117.92B
10/27/201119.18B
12/31/201119.97B
4/26/201218.70B
7/26/201219.99B
10/25/201221.31B
4/25/201324.67B
7/25/201322.30B
10/24/201322.77B
12/31/201322.80B
4/23/201425.33B
7/24/201426.39B
10/23/201427.05B
12/31/201429.72B
4/23/201527.88B
7/23/201526.78B
10/22/201529.04B
12/31/201528.61B
4/28/201630.98B
7/28/201633.89B
11/1/201631.16B
12/31/201630.96B
4/27/201733.49B
7/27/201734.76B
10/26/201736.28B
12/31/201736.20B
4/26/201834.36B
7/26/201835.02B
10/25/201836.26B
12/31/201836.87B

Also see: AEP Shares Outstanding History
and AEP YTD Return
AEP Historical Market Cap:
+9.93% CAGR
AEP Historical Market Cap: +9.93% CAGR

Mouse over chart for data details
4/29/2010 ...12/31/2018
American Electric Power Company is a public utility holding company. Co.'s public utility subsidiaries provides electric service, consisting of generation, transmission and distribution, on an integrated basis to their retail customers. The service areas of Co.'s public utility subsidiaries cover portions of the states of Arkansas, Indiana, Kentucky, Louisiana, Michigan, Ohio, Oklahoma, Tennessee, Texas, Virginia and West Virginia. Transmission networks are interconnected with distribution facilities in the territories served. We show 35 historical shares outstanding datapoints in our AEP shares outstanding history coverage, used to compute AEP market cap on those dates.

Understanding the changing numbers of shares outstanding, the changing share price, and the resulting changing AEP market cap history over the course of time is important for investors interested in comparing AEP's market cap history versus its peers. Many "beginner" or "novice" investors will look at one stock trading at a price of $10 per share and another trading at a price of $20 per share and think the latter company is worth twice as much. Of course, that is a completely meaningless comparison without also knowing how many shares outstanding there are for each of the two companies, and then calculating their respective market caps. Comparing the share price of AEP versus a peer is one thing; comparing AEP market cap versus a peer is a completely different story. Furthermore, via fluctuation both in per-share price and in the number of shares outstanding (via issuance of new shares over time, the repurchase of existing shares), the market cap for a company like AEP can fluctuate over the course of history. With this page we aim to empower investors researching AEP by allowing them to research the AEP market cap history.
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American Electric Power (AEP) is categorized under the Utilities sector; to help you further research historical market cap numbers, below are some other companies in the same sector:

AES Market Cap History
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