Ameren (AEE) Operating Margin (2009 - 2026)

Ameren's Operating Margin history runs 18 years deep, the most recent figure standing at 24.45% for Q1 2026.

• In Q1 2026, Operating Margin rose 394.0% year-over-year to 24.45%; the TTM figure through Mar 2026 stood at 23.97% (up 404.0% YoY), while the FY2025 annual figure was 23.03%, up 314.0% from the prior year.
• Operating Margin was 24.45% for Q1 2026 at Ameren, up from 20.2% in the prior quarter.
• In the past five years, Operating Margin ranged from a high of 342.86% in Q4 2023 to a low of 10.2% in Q4 2024.
• Historically, Operating Margin has averaged 39.79% across 5 years, with a median of 20.43% in 2024.
• The sharpest annual moves came in 2023 and 2024: Operating Margin surged 32937 bps in 2023, then tumbled 33266 bps in 2024.
• A 5-year view of Operating Margin shows it stood at 13.49% in 2022, then jumped by 2442 bps to 342.86% in 2023, then plunged by 97 bps to 10.2% in 2024, then surged by 98 bps to 20.2% in 2025, then rose by 21 bps to 24.45% in 2026.
• The last three Operating Margin figures came in at 24.45% (Q1 2026), 20.2% (Q4 2025), and 30.57% (Q3 2025), per Business Quant data.