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AEE vs. CEG: Ameren vs. Constellation Energy Stock Comparison

How do Ameren (AEE) and Constellation Energy (CEG) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.

Company Profile

Ameren (AEE) and Constellation Energy (CEG) both fall under the Utilities industry group, but AEE is classified in Multi-Utilities while CEG is classified in Electric Utilities.

Ameren (AEE) has more than two decades of public-market history since January 2, 1998, whereas Constellation Energy (CEG) listed on January 19, 2022 and has a much shorter record to draw on.

Company profile comparison for Ameren (AEE) and Constellation Energy (CEG)
Profile ItemAEECEG
NameAmeren CorporationConstellation Energy Corporation
Country/RegionUnited StatesUnited States
GICS SectorUtilitiesUtilities
GICS Industry GroupUtilitiesUtilities
GICS IndustryMulti-UtilitiesElectric Utilities
GICS Sub-IndustryMulti-UtilitiesElectric Utilities
Market Capitalization31.24 billion USD88.56 billion USD
CurrencyUSDUSD
ExchangeNYSENasdaq
Listing DateJanuary 2, 1998January 19, 2022
Security TypeCommon StockCommon Stock

Price Performance

Cumulative Growth

AEE
CEG
GSPC
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Ameren (AEE) vs. Constellation Energy (CEG), with S&P 500 (GSPC) for reference: Growth of a $10,000 investment over the past five years. Adjusted for dividends and splits.

Trailing Returns

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Trailing total returns for Ameren (AEE) and Constellation Energy (CEG). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for Ameren (AEE) and Constellation Energy (CEG). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for Ameren (AEE) and Constellation Energy (CEG)
MetricAEECEG
Total Return (1Y)11.92%-23.27%
Total Return (3Y, Annualized)17.94%32.21%
Total Return (5Y, Annualized)9.71%--

Risk Profile

Drawdown History

AEE
CEG
GSPC
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Ameren (AEE) vs. Constellation Energy (CEG), with S&P 500 (GSPC) for reference: Drawdown from the running peak over the past five years. Each line shows the decline from its prior peak; 0% marks a new high.

Return Distribution

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Distribution of monthly total returns for Ameren (AEE) and Constellation Energy (CEG). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for Ameren (AEE) and Constellation Energy (CEG)
MetricAEECEG
Volatility (1Y, Annualized)17.76%49.44%
Beta (5Y)0.401.11
Max Drawdown (5Y)-27.46%-50.70%
Avg. Volume (3M)1.74M3.37M

Risk-Adjusted Performance

Risk-Return Positioning

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AEE and CEG are plotted by 1-year volatility (risk) and 1-year return. The dashed Capital Allocation Line runs from the risk-free rate through the shared industry median.

Risk-Adjusted Metrics

Risk-adjusted metrics for Ameren (AEE) and Constellation Energy (CEG)
MetricAEECEG
Sharpe Ratio (1Y)0.43-0.56
Sortino Ratio (1Y)0.62-0.78

Profitability

ROE (TTM)

Constellation Energy (CEG) at 15.06% sits in the top ROE quartile, while Ameren (AEE) at 11.78% is closer to the peer norm — stronger capital efficiency for CEG.

AEE

Utilities industry group

11.78%

Max
17.99%
Q3
12.01%
AEE
11.78%
Median
9.44%
Q1
7.56%
Min
2.17%

CEG

Utilities industry group

15.06%

Max
17.99%
CEG
15.06%
Q3
12.01%
Median
9.44%
Q1
7.56%
Min
2.17%
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Ameren (AEE) vs. Constellation Energy (CEG): A comparison of their ROE against the Utilities industry group benchmark.

Net Margin (TTM)

Ameren (AEE) at 18.59% retains a top-quartile share of revenue as profit, ahead of Constellation Energy (CEG) at 11.08%, which keeps about the industry-typical share.

AEE

Utilities industry group

18.59%

Max
28.78%
AEE
18.59%
Q3
17.30%
Median
12.73%
Q1
9.18%
Min
-0.20%

CEG

Utilities industry group

11.08%

Max
28.78%
Q3
17.30%
Median
12.73%
CEG
11.08%
Q1
9.18%
Min
-0.20%
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Ameren (AEE) vs. Constellation Energy (CEG): A comparison of their net margin against the Utilities industry group benchmark.

Operating Margin (TTM)

Ameren (AEE) at 31.23% carries a top-quartile operating margin, while Constellation Energy (CEG) at 8.66% operates in the bottom quartile.

AEE

Utilities industry group

31.23%

Max
53.83%
AEE
31.23%
Q3
31.12%
Median
23.62%
Q1
15.45%
Min
-4.90%

CEG

Utilities industry group

8.66%

Max
53.83%
Q3
31.12%
Median
23.62%
Q1
15.45%
CEG
8.66%
Min
-4.90%
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Ameren (AEE) vs. Constellation Energy (CEG): A comparison of their operating margin against the Utilities industry group benchmark.

Profitability Metrics

Profitability metrics for Ameren (AEE) and Constellation Energy (CEG)
MetricAEECEG
ROE (TTM)11.78%15.06%
ROA (TTM)3.12%3.89%
Net Margin (TTM)18.59%11.08%
Operating Margin (TTM)31.23%8.66%
Gross Margin (TTM)52.47%22.11%

Growth

Revenue Growth

Ameren (AEE) at 15.43% sits in the top revenue growth quartile, while Constellation Energy (CEG) at 8.34% is closer to the peer norm — faster top-line expansion for AEE.

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Ameren (AEE) vs. Constellation Energy (CEG): A comparison of their Revenue Growth across different time periods.

EPS Growth

Ameren (AEE) at 21.04% sits in the top EPS growth quartile, while Constellation Energy (CEG) at -37.76% is in the bottom quartile, showing a clear gap in earnings momentum.

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Ameren (AEE) vs. Constellation Energy (CEG): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for Ameren (AEE) and Constellation Energy (CEG)
MetricAEECEG
Revenue Growth (YoY)15.43%8.34%
Revenue Growth (3Y CAGR)3.41%1.47%
EPS Growth (YoY)21.04%-37.76%
EPS Growth (3Y CAGR)8.92%--

Financial Strength

Current Ratio (MRQ)

Ameren (AEE) at 0.74 keeps current ratio within its industry’s typical mid-range, while Constellation Energy (CEG) at 1.46 sits above its industry’s typical mid-range — comfortable liquidity, though possibly with more idle current assets relative to peers.

AEE

Utilities industry group

0.74

Max
1.90
Q3
1.17
Median
0.88
AEE
0.74
Q1
0.66
Min
0.29

CEG

Utilities industry group

1.46

Max
1.90
CEG
1.46
Q3
1.17
Median
0.88
Q1
0.66
Min
0.29
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Ameren (AEE) vs. Constellation Energy (CEG): A comparison of their current ratio against the Utilities industry group benchmark.

Debt / Equity (MRQ)

Constellation Energy (CEG) at 0.76 keeps leverage in the lower industry quartile, while Ameren (AEE) at 1.57 runs a more typical debt-to-equity mix.

AEE

Utilities industry group

1.57

Max
2.63
Q3
1.77
AEE
1.57
Median
1.35
Q1
0.84
Min
0.00

CEG

Utilities industry group

0.76

Max
2.63
Q3
1.77
Median
1.35
Q1
0.84
CEG
0.76
Min
0.00
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Ameren (AEE) vs. Constellation Energy (CEG): A comparison of their debt-to-equity ratio against the Utilities industry group benchmark.

Financial Strength Metrics

Financial strength metrics for Ameren (AEE) and Constellation Energy (CEG)
MetricAEECEG
Current Ratio (MRQ)0.741.46
Debt / Equity (MRQ)1.570.76
Net Debt / EBITDA5.553.02

Dividends

Dividend Yield (TTM)

Constellation Energy (CEG) at 0.68% pays a yield in its industry’s typical range, while Ameren (AEE) at 0.63% falls in the bottom quartile of its peers.

AEE

Utilities industry group

0.63%

Max
6.66%
Q3
3.58%
Median
2.85%
Q1
0.66%
AEE
0.63%
Min
0.00%

CEG

Utilities industry group

0.68%

Max
6.66%
Q3
3.58%
Median
2.85%
CEG
0.68%
Q1
0.66%
Min
0.00%
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Ameren (AEE) vs. Constellation Energy (CEG): A comparison of their dividend yield against the Utilities industry group benchmark.

Dividend Payout Ratio (TTM)

Ameren (AEE) at 51.48% keeps its payout within the industry’s typical band; Constellation Energy (CEG) at 15.92% pays out less than peers usually do, retaining more of its earnings — a policy difference more than a quality gap.

AEE

Utilities industry group

51.48%

Max
113.04%
Q3
68.72%
Median
56.38%
AEE
51.48%
Q1
32.38%
Min
0.00%

CEG

Utilities industry group

15.92%

Max
113.04%
Q3
68.72%
Median
56.38%
Q1
32.38%
CEG
15.92%
Min
0.00%
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Ameren (AEE) vs. Constellation Energy (CEG): A comparison of their payout ratio against the Utilities industry group benchmark.

Dividend Metrics

Dividend metrics for Ameren (AEE) and Constellation Energy (CEG)
MetricAEECEG
Dividend Yield (TTM)0.63%0.68%
Dividend Payout Ratio (TTM)51.48%15.92%

Valuation

P/E Ratio (TTM)

Ameren (AEE) at 19.63 is near its industry’s usual P/E ratio, while Constellation Energy (CEG) at 24.43 sits in the richer quartile — CEG needs stronger growth or earnings quality to justify the premium.

AEE

Utilities industry group

19.63

Max
31.22
Q3
23.30
Median
19.64
AEE
19.63
Q1
15.17
Min
3.34

CEG

Utilities industry group

24.43

Max
31.22
CEG
24.43
Q3
23.30
Median
19.64
Q1
15.17
Min
3.34
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Ameren (AEE) vs. Constellation Energy (CEG): A comparison of their P/E ratio against the Utilities industry group benchmark.

P/S Ratio (TTM)

Constellation Energy (CEG) at 2.83 is priced about in line with its industry on P/S ratio, while Ameren (AEE) at 3.63 sits in the pricier quartile — AEE costs more per dollar of sales.

AEE

Utilities industry group

3.63

Max
6.35
AEE
3.63
Q3
3.63
Median
2.63
Q1
1.52
Min
0.00

CEG

Utilities industry group

2.83

Max
6.35
Q3
3.63
CEG
2.83
Median
2.63
Q1
1.52
Min
0.00
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Ameren (AEE) vs. Constellation Energy (CEG): A comparison of their P/S ratio against the Utilities industry group benchmark.

P/B Ratio (MRQ)

Ameren (AEE) at 2.20 is valued about in line with its industry on P/B ratio, while Constellation Energy (CEG) at 2.78 carries an above-peer premium to book — CEG is pricier on assets.

AEE

Utilities industry group

2.20

Max
3.12
Q3
2.21
AEE
2.20
Median
1.83
Q1
1.46
Min
0.34

CEG

Utilities industry group

2.78

Max
3.12
CEG
2.78
Q3
2.21
Median
1.83
Q1
1.46
Min
0.34
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Ameren (AEE) vs. Constellation Energy (CEG): A comparison of their P/B ratio against the Utilities industry group benchmark.

Valuation Metrics

Valuation metrics for Ameren (AEE) and Constellation Energy (CEG)
MetricAEECEG
P/E Ratio (TTM)19.6324.43
P/S Ratio (TTM)3.632.83
P/B Ratio (MRQ)2.202.78
Free Cash Flow Yield (TTM)-8.06%-7.48%