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 10.16%/yr vs 10.88%/yr for AEE. Their 0.73 correlation means they have sometimes moved together and sometimes differently.
Performance
AEP vs. AEE - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, AEP achieves a 12.56% return, which is significantly higher than AEE's 11.29% return. Over the past 10 years, AEP has underperformed AEE with an annualized return of 10.16%, while AEE has yielded a comparatively higher 10.88% annualized return.
AEP
- 1D
- 0.05%
- 1M
- -7.70%
- 6M
- 8.37%
- YTD
- 12.56%
- 1Y
- 16.13%
- 3Y*
- 19.35%
- 5Y*
- 11.69%
- 10Y*
- 10.16%
- ALL TIME*
- 6.23%
AEE
- 1D
- 0.79%
- 1M
- -4.70%
- 6M
- 7.60%
- YTD
- 11.29%
- 1Y
- 10.40%
- 3Y*
- 12.42%
- 5Y*
- 8.62%
- 10Y*
- 10.88%
- ALL TIME*
- 8.19%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $157.21M | $162.44M | $196.49M | |
| $506.06M | $573.81M | $668.56M |
AEP vs. AEE - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
AEP American Electric Power Company, Inc. | 12.56% | 29.38% | 18.18% | -10.98% | 10.38% | 10.68% | -9.01% | 30.52% | 5.38% | 20.95% |
AEE Ameren Corporation | 11.29% | 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 0.79, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.79 |
Correlation (3Y) Balances recent behavior with more history. | 0.74 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.79 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.78 |
Correlation (All Time) Calculated using the full available price history since Jan 2, 1998 | 0.73 |
The correlation between AEP and AEE has been stable across timeframes, ranging from 0.73 to 0.79 - a consistent structural relationship.
Fundamentals
AEP:
$69.56B
AEE:
$30.33B
AEP:
$5.83
AEE:
$5.67
AEP:
21.94
AEE:
19.33
AEP:
2.47
AEE:
2.17
AEP:
3.06
AEE:
3.45
AEP:
2.19
AEE:
2.23
AEP:
$22.52B
AEE:
$8.75B
AEP:
$11.03B
AEE:
$1.49B
AEP:
$8.60B
AEE:
$4.18B
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| AEP | AEE | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.21 | ||
| Sortino ratioReturn per unit of downside risk | +0.37 | ||
| Omega ratioGain probability vs. loss probability | 1.16 | 1.12 | +0.04 |
| Calmar ratioReturn relative to maximum drawdown | 1.83 | 1.42 | +0.41 |
| Martin ratioReturn relative to average drawdown | 4.26 | 3.23 | +1.02 |
Loading charts...
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.
Loading charts...
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% | -8.09% | -1.00% |
Max Drawdown (3Y)Largest decline over 3 years | -13.10% | -16.76% | +3.66% |
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 | -7.82% | -7.36% | -0.46% |
Average DrawdownAverage peak-to-trough decline | -17.51% | -11.67% | -5.84% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.90% | 3.56% | +0.34% |
Volatility
AEP vs. AEE - Volatility Comparison
American Electric Power Company, Inc. (AEP) and Ameren Corporation (AEE) have volatilities of 6.27% and 6.21%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| AEP | AEE | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.27% | 6.21% | +0.06% |
Volatility (6M)Calculated over the trailing 6-month period | 14.62% | 14.21% | +0.41% |
Volatility (1Y)Calculated over the trailing 1-year period | 18.82% | 17.18% | +1.64% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 20.12% | 19.43% | +0.69% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 21.07% | 21.92% | -0.85% |
Dividends
AEP vs. AEE - Dividend Comparison
AEP's dividend yield for the trailing twelve months is around 2.96%, more than AEE's 2.66% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AEE Ameren Corporation | 2.66% | 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. | 2.96% | 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 Aug 2026, American Electric Power Company, Inc. reported a gross profit of 3.84B and revenue of 5.45B. Therefore, the gross margin over that period was 70.6%.
AEE - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Ameren Corporation reported a gross profit of -1.08B and revenue of 2.09B. Therefore, the gross margin over that period was -51.7%.
AEP - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, American Electric Power Company, Inc. reported an operating income of 2.58B and revenue of 5.45B, resulting in an operating margin of 47.5%.
AEE - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Ameren Corporation reported an operating income of 459.00M and revenue of 2.09B, resulting in an operating margin of 21.9%.
AEP - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, American Electric Power Company, Inc. reported a net income of 713.00M and revenue of 5.45B, resulting in a net margin of 13.1%.
AEE - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Ameren Corporation reported a net income of 314.00M and revenue of 2.09B, resulting in a net margin of 15.0%.
Frequently Asked Questions
AEP and AEE have a correlation of 0.79, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
AEP has higher volatility (6.27%) compared to AEE (6.21%). In terms of maximum drawdown, AEP dropped -62.75% vs AEE's -60.57%.
AEP currently has the higher Sharpe Ratio (0.88 vs 0.67), 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.
Find the right allocation for AEP and AEE
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer