As of Jun 22, 2026, AEE's PEG ratio of 0.82 reflects its valuation relative to its growth. This value reflects a P/E ratio of 19.59 measured against EPS growth of 23.9%. When compared to the trailing four-quarter average of 2.29, AEE's PEG ratio shows a 64% decrease.
AEE PEG ratio history
Ameren's ten years historical PEG ratio has an average of 4.53. Compared to historical data, AEE's 0.82 PE to growth ratio represents a decline of 82%. AEE reached its maximum PEG ratio of 25.32 during the Dec 2019 quarter over the past ten years. The Dec 2018 quarter had the bottom reading at 0.36, indicating the most optimal growth-adjusted valuation.
Ameren PEG ratio by year
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| 2025 | 0.87 | 18.56 | 21.4% |
| 2024 | 22.36 | 20.12 | 0.9% |
| 2023 | 3 | 16.48 | 5.5% |
| 2022 | 2.74 | 21.38 | 7.8% |
| 2021 | 2.48 | 23.06 | 9.3% |
| 2020 | 4.7 | 22.11 | 4.7% |
| 2019 | 25.32 | 22.79 | 0.9% |
| 2018 | 0.36 | 19.53 | 54.6% |
| 2017 | N/A | 27.31 | -19.7% |
| 2016 | 5.57 | 19.5 | 3.5% |
| 2015 | 2.25 | 16.63 | 7.4% |
| 2014 | 0.18 | 19.06 | 103.4% |
| 2013 | 0.23 | 30.39 | 129.7% |
| 2012 | N/A | N/A | -286.5% |
| 2011 | 0.06 | 15.41 | 270.7% |
Ameren PEG ratio by quarter (TTM)
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| Mar 2026 | 0.82 | 19.63 | 23.9% |
| Dec 2025 | 0.87 | 18.56 | 21.4% |
| Sep 2025 | 0.88 | 19.96 | 22.8% |
| Jun 2025 | 6.57 | 21.02 | 3.2% |
| Mar 2025 | 6 | 22.21 | 3.7% |
| Dec 2024 | 22.36 | 20.12 | 0.9% |
| Sep 2024 | N/A | 20.53 | -3.6% |
| Jun 2024 | 4.86 | 16.05 | 3.3% |
| Mar 2024 | 4.14 | 16.96 | 4.1% |
| Dec 2023 | 3 | 16.48 | 5.5% |
| Sep 2023 | 1.66 | 16.93 | 10.2% |
| Jun 2023 | 2.03 | 19.04 | 9.4% |
| Mar 2023 | 3.12 | 20.62 | 6.6% |
| Dec 2022 | 2.74 | 21.38 | 7.8% |
| Sep 2022 | 5.15 | 20.09 | 3.9% |
AEE average PEG ratio chart
When comparing to historical values, AEE's PEG ratio is below the 3, 5 and 10-year averages.
PEG comparison
Ameren's PEG of 0.82 is below the Utilities sector, the industry and its peers average. Compared to its Utilities sector average of 1.29, Ameren's PEG is 36% lower.
AEE EPS growth
AEE Price vs fair value
AEE PEG vs peers
Compared to its peers, AEE has a PEG ratio under stocks DUK and XEL, while above D's. With a PEG ratio of 0.82, Ameren stands lower than the 2.04 peer average.
| Stock name | PEG ratio | Market cap |
|---|---|---|
| D Dominion Energy Inc | 0.71 | $59.84B |
| AEE Ameren Corp | 0.82 | $30.36B |
| DUK Duke Energy CORP | 2.28 | $96.3B |
| LNT Alliant Energy Corp | 2.3 | $18.91B |
| CMS Cms Energy Corp | 2.86 | $22.8B |
| XEL Xcel Energy Inc | 8.68 | $49.2B |
| WEC Wec Energy Group Inc | N/A | $36.82B |
| OTTR Otter Tail Corp | N/A | $3.7B |
Frequently asked questions
What is Ameren's PEG ratio?
AEE's Jun 22, 2026 PEG ratio comes in at 0.82.
What is the 3-year average PEG ratio for Ameren (AEE)?
Historical data over a 3-year period places AEE's average PEG ratio at 4.84.
What is the 5-year average PEG ratio for Ameren (AEE)?
Historical data over a 5-year period places AEE's average PEG ratio at 4.65.
What is the highest PEG ratio for AEE?
In the last ten years, AEE's peak PEG ratio of 25.32 was recorded in the Dec 2019 quarter.
How does the current PEG ratio for AEE compare to its historical average?
Currently, AEE's PEG ratio stands 82% lower than its 10-year historical average.
How is AEE's PEG ratio calculated (Ameren PEG ratio formula)?
The PEG ratio comes from taking PE and dividing by the rate at which earnings are growing (YoY TTM). As of Jun 22, 2026, Ameren has a P/E ratio of 19.59. Earnings grew at 23.9% over the TTM period ending Mar 2026. Applying the formula, this produces a price to earnings growth ratio of 0.82. PEG RATIO(0.82) = PE RATIO(19.59) / EPS GROWTH(23.9%)
All PEG ratio stats are based on quarterly TTM periods, unless otherwise specified.