Ameren Illinois Company - PE Ratio

The PE Ratio as of July 2026 (TTM) for Ameren Illinois Company (AILLI) is 16.46

According to Ameren Illinois Company’s latest financial reports and current stock price. The company's current PE Ratio is 16.46. This represents a change of -20.38% compared to the average of 20.67 of the last 4 quarters.

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

How has AILLI PE Ratio performed in the past?

The mean historical PE Ratio of Ameren Illinois Company over the last ten years is 21.09. The current 16.46 PE Ratio has changed 7.71% with respect to the historical average. Over the past ten years (40 quarters), AILLI's PE Ratio was at its highest in in the December 2016 quarter at 100.88. The PE Ratio was at its lowest in in the December 2017 quarter at -58.99.

Ameren Illinois Company (AILLI) 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 (AILLI) Average PE Ratio

How has AILLI PE Ratio performed in the past?

The current PE Ratio of Ameren Illinois Company (AILLI) 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 (AILLI) PE Ratio vs. Peers

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

Ameren Illinois Company’s PE Ratio is greater than Wisconsin Electric Power Company PFD 3.60% (-10.92), greater than The Chugoku Electric Power Co., Inc. (4.85), greater than Toho Gas Co., Ltd. (14.38), less than Vector Limited (33.67), greater than ACEA S.p.A. (9.33), greater than The Chugoku Electric Power Co., Inc. (4.85), greater than PT Perusahaan Gas Negara Tbk (8.33), greater than Manila Water Company, Inc. (7.87), greater than Boralex Inc. (-117.53), greater than Manila Water Co. Inc. (7.87),

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