Atmos Energy (ATO) FCF Margin (2009 - 2026)
Atmos Energy's FCF Margin came in at -45.44% for fiscal Q3 2026 (quarter ended Jun 30, 2026), down 1.26 percentage points from -44.18% a year earlier and down 31.16 percentage points from the prior quarter.
Atmos Energy (ATO) FCF Margin (2009 - 2026) Analysis & Trends
Over the trailing twelve months to Jun 30, 2026, Atmos Energy reported FCF Margin of -41.05%, down 11.34 percentage points year-over-year; for FY2025 (ended Sep 30, 2025), it came in at -32.15%, down 3.26 percentage points from FY2024.
- FCF Margin carries a five-year change of -0.33 percentage points (FY2020 to FY2025).
- Going back by fiscal year, FCF Margin was -28.89% in FY2024 (-44.18 pp), 15.29% in FY2023 (+50.20 pp), -34.91% in FY2022 (+54.71 pp) and -89.62% in FY2021 (-57.80 pp).
- The five-year range for quarterly FCF Margin is -94.54% (fiscal Q4 2021) to 135.25% (fiscal Q2 2023).
- Year-over-year, FCF Margin has declined for seven consecutive quarters, with an average year-over-year change of -4.07 percentage points over the last eight quarters.
- The fastest year-over-year change in FCF Margin over five years came in fiscal Q2 2022 (a gain of 152.11 percentage points), and the weakest in fiscal Q2 2024 (a drop of 129.13 percentage points).
- Business Quant data shows ATO's FCF Margin at -14.27% (Q2 2026), -54.02% (Q1 2026) and -83.46% (Q4 2025) in the three fiscal quarters before Q3 2026.
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | FCF Margin (Qtr) |
|---|---|---|---|---|---|
| 1 | Enel Chile | 293.96 Bn | 293.96 Bn | 890.00 Mn | - |
| 2 | National Grid | 78.23 Bn | 59.76 Bn | - | - |
| 3 | Dominion Energy | 53.03 Bn | 55.71 Bn | - | -26.81% |
| 4 | Xcel Energy | 43.33 Bn | 38.23 Bn | - | -59.25% |
| 5 | Wec Energy | 33.06 Bn | 33.29 Bn | 1.51 Bn | -13.08% |
| 6 | Ameren | 27.51 Bn | 27.60 Bn | - | -14.77% |
| 7 | Fortis | 26.94 Bn | 27.43 Bn | 1.60 Bn | 93.14% |
| 8 | Atmos Energy | 26.53 Bn | 25.30 Bn | 870.85 Mn | -45.44% |
| 9 | American Water Works Company | 25.62 Bn | 25.03 Bn | - | -19.04% |
| 10 | Dte Energy | 25.14 Bn | 24.62 Bn | - | -15.46% |
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | -45.44% |
| Mar 31, 2026 | -14.27% |
| Dec 31, 2025 | -54.02% |
| Sep 30, 2025 | -83.46% |
| Jun 30, 2025 | -44.18% |
| Mar 31, 2025 | 4.27% |
| Dec 31, 2024 | -51.80% |
| Sep 30, 2024 | -72.54% |
| Jun 30, 2024 | -43.11% |
| Mar 31, 2024 | 6.11% |
| Dec 31, 2023 | -45.26% |
| Sep 30, 2023 | -82.41% |
| Jun 30, 2023 | -51.20% |
| Mar 31, 2023 | 135.25% |
| Dec 31, 2022 | -40.89% |
| Sep 30, 2022 | -92.73% |
| Jun 30, 2022 | -30.28% |
| Mar 31, 2022 | 4.41% |
| Dec 31, 2021 | -61.45% |
| Sep 30, 2021 | -94.54% |
Atmos Energy FCF 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=fcf-margin&ticker=ATO&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "fcf-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=fcf-margin&ticker=ATO&period=max&api_key=YOUR_API_KEY");
const data = await res.json();