ONE Gas (OGS) FCF Margin (2017 - 2026)

ONE Gas has disclosed FCF Margin across 10 years of filings, most recently posting 2.38% for Q1 2026.

• In Q1 2026, FCF Margin fell 948.0% year-over-year to 2.38%; the TTM figure through Mar 2026 stood at 9.44% (down 213.0% YoY), while the FY2025 annual figure was 5.29%, up 1078.0% from the prior year.
• FCF Margin grew to 2.38% in Q1 2026, from 18.1% in the prior quarter.
• Over the last five years, FCF Margin for OGS reached as high as 308.24% in Q3 2022 and fell as low as 37.12% in Q3 2024.
• The 5-year median for FCF Margin is 7.71% (2024), against an average of 12.43%.
• Annual changes were most pronounced in 2022 — FCF Margin surged 34981 bps — and 2023, when it sank 33037 bps.
• A 5-year view of FCF Margin shows it stood at 22.24% in 2022, then soared by 41 bps to 13.09% in 2023, then slumped by 42 bps to 18.54% in 2024, then advanced by 2 bps to 18.1% in 2025, then surged by 113 bps to 2.38% in 2026.
• According to Business Quant data, FCF Margin over the past three periods registered 2.38%, 18.1%, and 27.79% for Q1 2026, Q4 2025, and Q3 2025 respectively.