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.

• On a quarterly basis, Operating Margin rose 394.0% year-over-year to 24.45% in Q1 2026; TTM through Mar 2026 was 23.97%, a 404.0% increase from a year earlier, with the FY2025 full-year figure at 23.03%, up 314.0% from the prior year.
• Operating Margin advanced to 24.45% in Q1 2026 per AEE's latest filing, from 20.2% in the prior quarter.
• Across five years, Operating Margin topped out at 342.86% in Q4 2023 and bottomed at 10.2% in Q4 2024.
• The 5-year median for Operating Margin is 20.43% (2024), against an average of 39.79%.
• Across the five-year window, Operating Margin jumped 32937 bps in 2023 and tumbled 33266 bps in 2024, its largest moves.
• Year by year, Operating Margin stood at 13.49% in 2022, then jumped by 2442 bps to 342.86% in 2023, then slumped 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.
• Per Business Quant, the three latest AEE Operating Margin figures stand at 24.45% (Q1 2026), 20.2% (Q4 2025), and 30.57% (Q3 2025).