AEP vs. AEE
AEP (American Electric Power Company, Inc.) and AEE (Ameren Corporation) are both stocks. Both operate in the Utilities - Regulated Electric industry within the Utilities sector. Over the past 10 years, AEP returned 10.62%/yr vs 11.07%/yr for AEE. A 0.73 correlation means they provide meaningful diversification when combined.
Performance
AEP vs. AEE - Performance Comparison
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Returns By Period
In the year-to-date period, AEP achieves a 11.91% return, which is significantly higher than AEE's 7.66% return. Both investments have delivered pretty close results over the past 10 years, with AEP having a 10.62% annualized return and AEE not far ahead at 11.07%.
AEP
- 1D
- 2.68%
- 1M
- -6.48%
- YTD
- 11.91%
- 6M
- 8.23%
- 1Y
- 27.09%
- 3Y*
- 19.39%
- 5Y*
- 12.11%
- 10Y*
- 10.62%
AEE
- 1D
- 1.61%
- 1M
- -5.97%
- YTD
- 7.66%
- 6M
- 6.67%
- 1Y
- 13.09%
- 3Y*
- 13.03%
- 5Y*
- 7.63%
- 10Y*
- 11.07%
AEP vs. AEE - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
AEP American Electric Power Company, Inc. | 11.91% | 29.38% | 18.18% | -10.98% | 10.38% | 10.68% | -9.01% | 30.52% | 5.38% | 20.95% |
AEE Ameren Corporation | 7.66% | 15.31% | 27.47% | -16.07% | 2.54% | 17.09% | 4.26% | 20.82% | 13.99% | 15.93% |
Correlation
The correlation between AEP and AEE is 0.75, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.75 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.73 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.78 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.78 |
Correlation (All Time) Calculated using the full available price history since Jan 5, 1998 | 0.73 |
The correlation between AEP and AEE has been stable across timeframes, ranging from 0.73 to 0.78 - a consistent structural relationship.
Fundamentals
AEP:
$69.54B
AEE:
$29.73B
AEP:
$6.82
AEE:
$5.57
AEP:
18.63
AEE:
19.19
AEP:
2.09
AEE:
2.15
AEP:
3.07
AEE:
3.29
AEP:
2.19
AEE:
2.19
AEP:
$22.16B
AEE:
$8.88B
AEP:
$8.95B
AEE:
$2.42B
AEP:
$8.70B
AEE:
$4.00B
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Return for Risk
AEP vs. AEE — Risk / Return Rank
AEP
AEE
AEP vs. AEE - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Electric Power Company, Inc. (AEP) and Ameren Corporation (AEE). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
| AEP | AEE | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.50 | 0.85 | +0.65 |
Sortino ratioReturn per unit of downside risk | 2.26 | 1.25 | +1.01 |
Omega ratioGain probability vs. loss probability | 1.27 | 1.15 | +0.12 |
Calmar ratioReturn relative to maximum drawdown | 2.94 | 1.66 | +1.28 |
Martin ratioReturn relative to average drawdown | 7.68 | 4.43 | +3.25 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| AEP | AEE | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.50 | 0.85 | +0.65 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.61 | 0.40 | +0.21 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.51 | 0.51 | 0.00 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.29 | 0.38 | -0.09 |
Drawdowns
AEP vs. AEE - Drawdown Comparison
The maximum AEP drawdown since its inception was -62.75%, roughly equal to the maximum AEE drawdown of -60.57%. Use the drawdown chart below to compare losses from any high point for AEP and AEE.
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Drawdown Indicators
| AEP | AEE | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -62.75% | -60.57% | -2.18% |
Max Drawdown (1Y)Largest decline over 1 year | -9.09% | -8.07% | -1.02% |
Max Drawdown (3Y)Largest decline over 3 years | -18.04% | -21.83% | +3.79% |
Max Drawdown (5Y)Largest decline over 5 years | -29.56% | -27.46% | -2.10% |
Max Drawdown (10Y)Largest decline over 10 years | -32.91% | -29.09% | -3.82% |
Current DrawdownCurrent decline from peak | -6.65% | -6.60% | -0.05% |
Average DrawdownAverage peak-to-trough decline | -17.55% | -11.71% | -5.84% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.48% | 3.03% | +0.45% |
Volatility
AEP vs. AEE - Volatility Comparison
American Electric Power Company, Inc. (AEP) has a higher volatility of 7.76% compared to Ameren Corporation (AEE) at 6.04%. This indicates that AEP's price experiences larger fluctuations and is considered to be riskier than AEE based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| AEP | AEE | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.76% | 6.04% | +1.72% |
Volatility (6M)Calculated over the trailing 6-month period | 13.63% | 12.41% | +1.22% |
Volatility (1Y)Calculated over the trailing 1-year period | 18.16% | 15.50% | +2.66% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 20.04% | 19.25% | +0.79% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 20.97% | 21.80% | -0.83% |
Dividends
AEP vs. AEE - Dividend Comparison
AEP's dividend yield for the trailing twelve months is around 2.97%, more than AEE's 2.70% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AEE Ameren Corporation | 2.70% | 2.84% | 3.01% | 3.48% | 2.65% | 2.47% | 2.56% | 2.50% | 2.83% | 3.01% | 4.08% | 3.83% |
AEP American Electric Power Company, Inc. | 2.97% | 3.24% | 3.87% | 4.15% | 3.34% | 3.37% | 3.41% | 2.87% | 3.39% | 3.25% | 3.61% | 3.69% |
Financials
AEP vs. AEE - Financials Comparison
This section allows you to compare key financial metrics between American Electric Power Company, Inc. and Ameren Corporation. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
AEP vs. AEE - Profitability Comparison
AEP - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, American Electric Power Company, Inc. reported a gross profit of 3.90B and revenue of 6.02B. Therefore, the gross margin over that period was 64.8%.
AEE - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Ameren Corporation reported a gross profit of 0.00 and revenue of 2.18B. Therefore, the gross margin over that period was 0.0%.
AEP - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, American Electric Power Company, Inc. reported an operating income of 1.36B and revenue of 6.02B, resulting in an operating margin of 22.6%.
AEE - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Ameren Corporation reported an operating income of 532.00M and revenue of 2.18B, resulting in an operating margin of 24.5%.
AEP - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, American Electric Power Company, Inc. reported a net income of 874.00M and revenue of 6.02B, resulting in a net margin of 14.5%.
AEE - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Ameren Corporation reported a net income of 357.00M and revenue of 2.18B, resulting in a net margin of 16.4%.
Frequently Asked Questions
AEP and AEE have a correlation of 0.75, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
AEP has higher volatility (7.76%) compared to AEE (6.04%). In terms of maximum drawdown, AEP dropped -62.75% vs AEE's -60.57%.
AEP currently has the higher Sharpe Ratio (1.50 vs 0.85), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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