Ameren Illinois Company - PE Ratio

The PE Ratio as of September 2026 (TTM) for Ameren Illinois Company (AILLO) is 11.82

According to Ameren Illinois Company’s latest financial reports and current stock price. The company's current PE Ratio is 11.82. This represents a change of -13.58% compared to the average of 13.68 of the last 4 quarters.

Ameren Illinois Company (AILLO) Historical PE Ratio (quarterly & annually)

How has AILLO PE Ratio performed in the past?

The mean historical PE Ratio of Ameren Illinois Company over the last ten years is 30.20. The current 11.82 PE Ratio has changed 3.81% with respect to the historical average. Over the past ten years (40 quarters), AILLO's PE Ratio was at its highest in in the June 2022 quarter at 56.88. The PE Ratio was at its lowest in in the December 2024 quarter at -5.79.

Ameren Illinois Company (AILLO) PE Ratio by Quarter and Year

Discovering the peaks and valleys of Ameren Illinois Company PE Ratio, unveiling quarterly and yearly fluctuations to gain insights into the company’s financial performance and market dynamics, offering valuable data for investors and analysts alike.

Ameren Illinois Company (AILLO) Average PE Ratio

How has AILLO PE Ratio performed in the past?

The current PE Ratio of Ameren Illinois Company (AILLO) is less than than its 3-year, less than than its 5-year, and less than than its 10-year historical averages

Ameren Illinois Company (AILLO) PE Ratio vs. Peers

How is AILLO’s PE Ratio compared to its peers?

Ameren Illinois Company’s PE Ratio is greater than ACEA S.p.A. (6.13), greater than Wisconsin Electric Power Company PFD 3.60% (3.08), greater than Manila Water Company, Inc. (8.17), greater than The Chugoku Electric Power Co., Inc. (10.26), greater than Manila Water Co. Inc. (8.17), less than Terna Energy Societe Anonyme Commercial Technical Company (42.46), greater than Towngas Smart Energy Company Limited (6.80), less than Pennon Group Plc (23.82), less than TTW Public Company Limited (12.95), greater than China Water Affairs Group Limited (7.17),

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