Atmos Energy (ATO) FCF Margin (2009 - 2026)

Atmos Energy has disclosed FCF Margin across 18 years of filings, most recently posting 14.27% for Q1 2026.

• In Q1 2026, FCF Margin fell 1854.0% year-over-year to 14.27%; the TTM figure through Mar 2026 stood at 40.8% (down 1169.0% YoY), while the FY2025 annual figure was 32.15%, down 326.0% from the prior year.
• FCF Margin advanced to 14.27% in Q1 2026, from 54.02% in the prior quarter.
• Over the last five years, FCF Margin for ATO reached as high as 135.25% in Q1 2023 and fell as low as 92.73% in Q3 2022.
• The 5-year median for FCF Margin is 44.18% (2025), against an average of 32.71%.
• Annual changes were most pronounced in 2022 — FCF Margin soared 15211 bps — and 2024, when it slumped 12913 bps.
• A 5-year view of FCF Margin shows it stood at 40.89% in 2022, then declined by 11 bps to 45.26% in 2023, then decreased by 14 bps to 51.8% in 2024, then fell by 4 bps to 54.02% in 2025, then surged by 74 bps to 14.27% in 2026.
• According to Business Quant data, FCF Margin over the past three periods registered 14.27%, 54.02%, and 83.46% for Q1 2026, Q4 2025, and Q3 2025 respectively.