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AEP vs AES: which stock is doing better?

AEP and AES are business rivals. Where they compete: large-scale wind/solar generation, regulated electric utility serving similar customer mix. Here is how the two stocks, and the businesses behind them, compare over the past year.

Updated Oct 9, 2026

48
AEP P3

Close call

On Stox’s P3 score, AEP rates 48 and AES 46, too close to call. Over the past year AEP is +4% and AES +1%, against +16% for the S&P 500. AEP has grown revenue faster, +8% against +3%. By type, AEP is a Bottom Fished and AES a Turning Up.

AEP P3 48AES P3 46Both in Utilities

The past year

AEP against AES, each set to $100 a year ago. Select a measure in the table below to chart it for both.

AEP against AES, past year
$100 a year ago. AEP +4%, AES +1%.
100110120NovDecJanFebMarAprMayJunJulAugSepOct
AEPAES

AEP and AES side by side

Ahead marks the stronger reading on each line; for the typical day and the deepest fall it marks the steadier stock. Select a row with a chart to see both over the year.

MeasureAEPAESAhead
Past 3 months
Share price change
−9%+1%AES
Past month
Share price change
−1%+1%AES
Revenue growth
Past four quarters against the year before
+8%+3%AEP
Operating margin
Operating profit as a share of revenue, past four quarters
23%16%AEP
Deepest fall
From a high, past year
−15%−19%AEP, held up
Market value
What the market values the company at
$66.9B$10.7B
Type
Its Stox Atlas type
Bottom FishedTurning Up
Group
Stocks it moves with
UtilitiesUtilitiesSame group

How to read this page

How it’s measured. Scores from Stox rank each stock against about 1,200 large US stocks and funds, where 100 is best; P3 combines market beat, staying power and business growth. Returns are share-price changes. The typical day is the average true range over 14 days as a share of the price, averaged over the past year.

Sources. Daily prices and company financial statements from Financial Modeling Prep; scores and curated rivals from Stox.

A higher score describes a stronger past year, not what comes next.

Rivals are chosen by the markets the two businesses compete in, not by sector labels.

For financial statements, valuation and news, see AEP and AES on Stox.

This page is information, not investment advice. About our data and methods ›

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