Atmos Energy (ATO) Operating Margin (2009 - 2026)
Atmos Energy (ATO) recorded Operating Margin of 36.45% in fiscal Q3 2026 (quarter ended Jun 30, 2026), up 6.40 percentage points from 30.05% a year earlier but down 2.52 percentage points from the prior quarter.
Atmos Energy (ATO) Operating Margin (2009 - 2026) Analysis & Trends
On a TTM basis, Atmos Energy's Operating Margin came in at 36.97% as of Jun 30, 2026, up 3.97 percentage points year-over-year; for FY2025 (ended Sep 30, 2025), it came in at 33.17%, up 0.63 percentage points from FY2024.
- Annual Operating Margin has increased for three straight fiscal years, with a five-year change of +3.96 percentage points (FY2020 to FY2025).
- Across earlier fiscal years, Operating Margin came in at 32.54% in FY2024 (+7.58 pp), 24.96% in FY2023 (+3.04 pp), 21.92% in FY2022 (-4.64 pp) and 26.56% in FY2021 (-2.65 pp).
- Quarterly Operating Margin has ranged from 14.59% in fiscal Q4 2022 to 39.07% in fiscal Q1 2025 over the past five years.
- On a year-over-year basis, Operating Margin rose in five of the last eight quarters, with an average year-over-year change of +2.25 percentage points.
- Peak year-over-year performance for Operating Margin in the last five years was a gain of 12.81 percentage points in fiscal Q1 2024, against a drop of 5.60 percentage points in fiscal Q2 2022 at the low end.
- Per Business Quant, the preceding three fiscal quarters came in at 38.97% (Q2 2026), 38.34% (Q1 2026) and 29.76% (Q4 2025).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Operating Margin (Qtr) |
|---|---|---|---|---|---|
| 1 | Enel Chile | 293.96 Bn | 293.96 Bn | 890.00 Mn | 30.20% |
| 2 | National Grid | 77.93 Bn | 59.46 Bn | - | - |
| 3 | Dominion Energy | 53.37 Bn | 56.05 Bn | - | 7.34% |
| 4 | Xcel Energy | 44.14 Bn | 39.04 Bn | - | 22.64% |
| 5 | Wec Energy | 33.42 Bn | 33.65 Bn | 1.51 Bn | 20.99% |
| 6 | Ameren | 27.75 Bn | 27.83 Bn | - | 21.94% |
| 7 | Fortis | 26.92 Bn | 27.40 Bn | 1.60 Bn | 27.43% |
| 8 | Atmos Energy | 26.63 Bn | 25.40 Bn | 870.85 Mn | 36.45% |
| 9 | American Water Works Company | 25.79 Bn | 25.20 Bn | - | 40.00% |
| 10 | Dte Energy | 25.46 Bn | 24.94 Bn | - | 13.59% |
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 36.45% |
| Mar 31, 2026 | 38.97% |
| Dec 31, 2025 | 38.34% |
| Sep 30, 2025 | 29.76% |
| Jun 30, 2025 | 30.05% |
| Mar 31, 2025 | 32.24% |
| Dec 31, 2024 | 39.07% |
| Sep 30, 2024 | 28.12% |
| Jun 30, 2024 | 31.40% |
| Mar 31, 2024 | 33.45% |
| Dec 31, 2023 | 34.45% |
| Sep 30, 2023 | 26.22% |
| Jun 30, 2023 | 25.54% |
| Mar 31, 2023 | 27.43% |
| Dec 31, 2022 | 21.64% |
| Sep 30, 2022 | 14.59% |
| Jun 30, 2022 | 18.93% |
| Mar 31, 2022 | 23.34% |
| Dec 31, 2021 | 27.24% |
| Sep 30, 2021 | 16.00% |
Atmos Energy Operating Margin API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=operating-margin&ticker=ATO&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "operating-margin", "ticker": "ATO", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=operating-margin&ticker=ATO&period=max&api_key=YOUR_API_KEY");
const data = await res.json();