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

ONE Gas (OGS) has 10 years of Operating Margin data on file, last reported at 22.8% in Q1 2026.

• Operating Margin for Q1 2026 came in at 22.8%, up 349.0% year-over-year; the trailing twelve-month figure through Mar 2026 was 20.08% (up 90.0% YoY), and the FY2025 annual result was 18.85%, down 30.0% from the prior year.
• Operating Margin rose to 22.8% in Q1 2026 per OGS's latest filing, from 20.27% in the prior quarter.
• Over five years, Operating Margin peaked at 22.8% in Q1 2026 and troughed at 12.66% in Q4 2022.
• A 5-year average of 17.16% and a median of 17.25% in 2025 frame the typical range for Operating Margin.
• The sharpest annual moves came in 2022 and 2023: Operating Margin plunged 636 bps in 2022, then soared 502 bps in 2023.
• A 5-year view of Operating Margin shows it stood at 12.66% in 2022, then surged by 40 bps to 17.68% in 2023, then rose by 11 bps to 19.71% in 2024, then grew by 3 bps to 20.27% in 2025, then increased by 12 bps to 22.8% in 2026.
• Business Quant data shows OGS's Operating Margin at 22.8% in Q1 2026, 20.27% in Q4 2025, and 17.25% in Q3 2025.