As at Jun 25, 2025, the ATO stock has a PE ratio of 21.21. This is based on the current EPS of $7.2 and the stock price of $152.73 per share. An increase of 8% has been recorded in the P/E ratio compared to the average of 19.7 of the last 4 quarters.
ATO PE ratio history
The mean historical PE ratio of Atmos Energy over the last ten years is 20.22. The current 21.21 PE ratio is 4.9% above the historical average. In the past ten years, ATO's PE ratio was at its highest in the Sep 2019 quarter at 26.12, with a price of $113.89 and an EPS of $4.36. The Mar 2018 quarter recorded the bottom point at 15.37, with a price of $84.24 and an EPS of $5.48.
Atmos Energy PE ratio by year
Maximum annual increase: 51.07% in 2019
Maximum annual decrease: -25.15% in 2020
| Year | PE ratio | PE change | Price | EPS |
|---|---|---|---|---|
| 2024 | 20.31 | 16.93% | $138.71 | $6.83 |
| 2023 | 17.37 | -4.35% | $105.93 | $6.1 |
| 2022 | 18.16 | 5.4% | $101.85 | $5.61 |
| 2021 | 17.23 | -11.87% | $88.2 | $5.12 |
| 2020 | 19.55 | -25.15% | $95.59 | $4.89 |
| 2019 | 26.12 | 51.07% | $113.89 | $4.36 |
| 2018 | 17.29 | -23.09% | $93.91 | $5.43 |
| 2017 | 22.48 | 2.04% | $83.84 | $3.73 |
| 2016 | 22.03 | 16.99% | $74.47 | $3.38 |
| 2015 | 18.83 | 16.88% | $58.18 | $3.09 |
| 2014 | 16.11 | 1.38% | $47.7 | $2.96 |
| 2013 | 15.89 | 6.15% | $42.59 | $2.68 |
| 2012 | 14.97 | 5.2% | $35.79 | $2.39 |
| 2011 | 14.23 | 7.97% | $32.45 | $2.28 |
| 2010 | 13.18 | -2.73% | $29.25 | $2.22 |
Atmos Energy PE ratio by quarter (TTM)
| Year | PE ratio | PE change | Price | EPS |
|---|---|---|---|---|
| Mar 2025 | 21.47 | 7.89% | $154.58 | $7.2 |
| Dec 2024 | 19.9 | -2.02% | $139.27 | $7 |
| Sep 2024 | 20.31 | 17.88% | $138.71 | $6.83 |
| Jun 2024 | 17.23 | -3.9% | $116.65 | $6.77 |
| Mar 2024 | 17.93 | -3.13% | $118.87 | $6.63 |
| Dec 2023 | 18.51 | 6.56% | $115.9 | $6.26 |
| Sep 2023 | 17.37 | -13.41% | $105.93 | $6.1 |
| Jun 2023 | 20.06 | 3.19% | $116.34 | $5.8 |
| Mar 2023 | 19.44 | -1.67% | $112.36 | $5.78 |
| Dec 2022 | 19.77 | 8.87% | $112.07 | $5.67 |
| Sep 2022 | 18.16 | -11.24% | $101.85 | $5.61 |
| Jun 2022 | 20.46 | -8.58% | $112.1 | $5.48 |
| Mar 2022 | 22.38 | 12.58% | $119.49 | $5.34 |
| Dec 2021 | 19.88 | 15.38% | $104.77 | $5.27 |
| Sep 2021 | 17.23 | -4.96% | $88.2 | $5.12 |
ATO Price vs fair value
ATO average PE ratio chart
The current PE ratio of ATO is greater than its 3, 5 and 10-year historical averages.
ATO PE vs peers
ATO's PE ratio is lower than its peer stocks CNP and NI, but it is greater than OKE's and OGS's. Atmos Energy is presently trading at a higher PE ratio (21.21) than its peer group average of 19.64.
| Stock name | PE ratio | Market cap |
|---|---|---|
| OKE Oneok Inc | 15.63 | $50.09B |
| RGCO Rgc Resources Inc | 17.14 | $226.24M |
| OGS ONE Gas Inc | 17.29 | $4.31B |
| ATO Atmos Energy Corp | 21.21 | $24.26B |
| NI Nisource Inc | 21.25 | $18.7B |
| CPK Chesapeake Utilities Corp | 22.15 | $2.81B |
| CNP Centerpoint Energy Inc | 24.36 | $23.69B |
| STR Sitio Royalties Corporation | 35.4 | $2.78B |
| NFG National Fuel Gas Co | 177.96 | $7.56B |
Frequently asked questions
What is Atmos Energy's PE ratio?
As of Jun 25, 2025, ATO stock has a price to earnings ratio of 21.21.
What is the 3-year average PE ratio for Atmos Energy (ATO)?
The 3-year average PE ratio for ATO stock is 19.22.
What is the 5-year average PE ratio for Atmos Energy (ATO)?
The 5-year average PE ratio for ATO stock is 19.25.
What is the highest PE ratio for ATO?
Over the last ten years, the quarterly PE ratio reached a historic high of 26.12 in the Sep 2019 quarter.
How does the current PE ratio for ATO compare to its historical average?
ATO's current price to earnings ratio is 4.9% above its 10-year historical average.
How is ATO's PE ratio calculated (Atmos Energy PE ratio formula)?
To determine the PE ratio, divide the most recent stock price by the TTM earnings per share (EPS). As of today (Jun 25, 2025), Atmos Energy's stock price is $152.73. The earnings per share for the trailing twelve months (TTM) ending Mar 2025 is $7.2. Therefore, Atmos Energy's P/E ratio for today is 21.21. PE RATIO(21.21) = STOCK PRICE($152.73) / TTM EPS($7.2)
All PE ratio stats are based on quarterly TTM periods, unless otherwise specified.