What is AEE's five-year median P/E?

The median, or middle weekly reading, is 20.9× over the last five years. Available history contains 533 weekly observations from Aug 8, 2016 to Oct 19, 2026.

Does a low historical rank mean a stock is a buy?

No. The rank describes a stock’s own history. Changes in growth, financial risk and the business can change the multiple investors pay. P/E uses earnings and P/S uses revenue from the previous twelve months.

Ameren (AEE) valuation history

Below its usual range

As of Oct 22, 2026

AEE's P/E of 18.8x is lower than 77% of its available weekly readings from the last five years.

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P/E at year-end

Last weekly reading of each completed year. Rank runs from lowest (0%) to highest (100%) within the five years available on that date.

AEE year-end valuation history
Reading date	P/E	5-year rank
Dec 29, 2025	19.4×	25%
Dec 30, 2024	20.9×	36%
Dec 25, 2023	16.4×	1%
Dec 26, 2022	22.3×	29%
Dec 27, 2021	23.3×	57%
Dec 28, 2020	22.8×	49%
Dec 30, 2019	23.4×	60%
Dec 31, 2018	23.1×	59%
Dec 25, 2017	23.4×	91%
Dec 26, 2016	19.6×	Short history

Peers on the same measure

Stock	P/E	5-year rank
CMSCMS Energy	20.5×	47%
CNPCenterPoint Energy	24.7×	78%
DDominion Energy	18.4×	20%
DTEDTE Energy	21.4×	71%

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Utilities AI Power Stocks with Low P/E Ratios and Steady Revenue Growth Stocks Below Their 5-Year Median P/E Stocks Near Their Lowest P/E Ratios in 5 Years

Research on AEE

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About this history

What is AEE's current P/E?: AEE's P/E of 18.8x is lower than 77% of its available weekly readings from the last five years.
What is AEE's five-year median P/E?: The median, or middle weekly reading, is 20.9× over the last five years. Available history contains 533 weekly observations from Aug 8, 2016 to Oct 19, 2026.
Does a low historical rank mean a stock is a buy?: No. The rank describes a stock’s own history. Changes in growth, financial risk and the business can change the multiple investors pay. P/E uses earnings and P/S uses revenue from the previous twelve months.