Ameren Corporation (AEE) P/E Ratio History
Historical price-to-earnings valuation from 1998 to 2026
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AEE Valuation Context
How does the current P/E compare to historical and market benchmarks?
P/E Ratio Analysis
As of May 6, 2026, Ameren Corporation (AEE) trades at a price-to-earnings ratio of 20.9x, with a stock price of $111.64 and trailing twelve-month earnings per share of $5.47.
The current P/E is roughly in line with its 5-year average of 20.2x. Over the past five years, AEE's P/E has ranged from a low of 16.1x to a high of 24.0x, placing the current valuation at the 60th percentile of its historical range.
Compared to the Utilities sector median P/E of 20.1x, AEE is roughly in line with its sector peers. The sector includes 109 companies with P/E ratios ranging from 0.0x to 174.3x.
The PEG ratio of 2.36 (P/E divided by 21% EPS growth) suggests the stock may be expensive relative to its earnings growth. Peter Lynch popularized the rule that a PEG below 1.0 indicates an attractive entry point.
Relative to the broader market, AEE trades roughly in line with the S&P 500 median P/E of 25.1x. Investors should consider the company's growth prospects, competitive position, and earnings quality when evaluating whether the current valuation is justified.
For a comprehensive intrinsic value estimate using discounted cash flow analysis, see our AEE DCF Valuation Calculator →
Note: P/E ratio is just one valuation metric. It does not account for balance sheet strength, cash flow quality, or growth sustainability. Always conduct comprehensive due diligence before making investment decisions.
AEE P/E vs Peers
P/E ratio compared to closely matched public peers
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $38B | 23.9 | 4.80 | +0% | |
| $19B | 22.3 | 3.65 | -3% | |
| $10B | 20.6 | - | +6% | |
| $4B | 24.1 | - | -19% | |
| $3B | 17.2 | 3.73 | +4% | |
| $4B | 13.5Lowest | 0.59Best | -9% | |
| $99B | 20.2 | 0.68 | +11%Best | |
| $108B | 24.5 | 4.18 | -2% | |
| $51B | 23.8 | 5.73 | -1% | |
| $26B | 19.4 | 1.69 | +8% |
Peers sorted by market capitalization. P/E below peers may indicate undervaluation or lower growth expectations. Consider PEG ratio for growth-adjusted comparison.
AEE Historical P/E Data (1998–2026)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Date | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2026 Q1 | $109.92 | $5.56 | 19.8x | -6% | |
| FY2025 Q4 | Wed Dec 31 2025 00:00:00 GM | $99.86 | $5.35 | 18.7x | -11% |
| FY2025 Q3 | $104.38 | $5.20 | 20.1x | -5% | |
| FY2025 Q2 | Mon Jun 30 2025 00:00:00 GM | $96.04 | $4.55 | 21.1x | +0% |
| FY2025 Q1 | Mon Mar 31 2025 00:00:00 GM | $100.40 | $4.51 | 22.3x | +6% |
| FY2024 Q4 | $89.14 | $4.42 | 20.2x | -4% | |
| FY2024 Q3 | Mon Sep 30 2024 00:00:00 GM | $87.46 | $4.25 | 20.6x | -2% |
| FY2024 Q2 | Sun Jun 30 2024 00:00:00 GM | $71.11 | $4.43 | 16.1x | -24% |
| FY2024 Q1 | Sun Mar 31 2024 00:00:00 GM | $73.96 | $4.36 | 17.0x | -19% |
| FY2023 Q4 | Sun Dec 31 2023 00:00:00 GM | $72.34 | $4.38 | 16.5x | -22% |
| FY2023 Q3 | Sat Sep 30 2023 00:00:00 GM | $74.83 | $4.41 | 17.0x | -19% |
| FY2023 Q2 | Fri Jun 30 2023 00:00:00 GM | $81.67 | $4.27 | 19.1x | -9% |
Average P/E for displayed period: 21.1x
Full AEE Stock Analysis
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Start ComparisonAEE — Frequently Asked Questions
Quick answers to the most common questions about buying AEE stock.
Is AEE stock overvalued or undervalued?
AEE trades at 20.9x P/E, near its 5-year average of 20.2x. The 60th percentile ranking places valuation within normal historical bounds.
How does AEE's valuation compare to peers?
Ameren Corporation P/E of 20.9x compares to sector median of 20.1x. The premium reflects expected growth above peers.
What is AEE's PEG ratio?
AEE PEG ratio is 2.36. Above 2.0 indicates premium valuation relative to growth rate. Historical P/E data spans 1998-2026.