AEE vs. AWK

Last updated Apr 2, 2026

Compare and contrast key facts about Ameren Corporation (AEE) and American Water Works Company, Inc. (AWK).

Performance

AEE vs. AWK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Ameren Corporation (AEE) and American Water Works Company, Inc. (AWK). The values are adjusted to include any dividend payments, if applicable.

AEE vs. AWK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
AEE Ameren Corporation	11.70%	15.31%	27.47%	-16.07%	2.54%	17.09%	4.26%	20.82%	13.99%	15.93%
AWK American Water Works Company, Inc.	5.53%	7.40%	-3.53%	-11.68%	-17.89%	24.83%	26.88%	37.79%	1.32%	29.01%

Fundamentals

Market Cap AEE : $30.32B AWK : $26.67B
EPS AEE : $5.35 AWK : $5.70
PE Ratio AEE : 20.72 AWK : 24.01
PS Ratio AEE : 3.43 AWK : 5.19
PB Ratio AEE : 2.26 AWK : 2.46
Total Revenue (TTM) AEE : $8.80B AWK : $5.14B
Gross Profit (TTM) AEE : $3.36B AWK : $3.12B
EBITDA (TTM) AEE : $3.91B AWK : $1.70B

Returns By Period

In the year-to-date period, AEE achieves a 11.70% return, which is significantly higher than AWK's 5.53% return. Over the past 10 years, AEE has outperformed AWK with an annualized return of 11.46%, while AWK has yielded a comparatively lower 9.11% annualized return.

AEE

• 1D: 0.79%
• 1M: -1.20%
• YTD: 11.70%
• 6M: 8.62%
• 1Y: 13.23%
• 3Y*: 12.07%
• 5Y*: 9.61%
• 10Y*: 11.46%

AWK

• 1D: 0.51%
• 1M: 1.00%
• YTD: 5.53%
• 6M: 1.86%
• 1Y: -4.61%
• 3Y*: 0.02%
• 5Y*: 0.11%
• 10Y*: 9.11%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Return for Risk

AEE vs. AWK — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

AEE

AEE Risk / Return Rank: 66
AEE Sharpe Ratio Rank: 68
AEE Sortino Ratio Rank: 59
AEE Omega Ratio Rank: 58
AEE Calmar Ratio Rank: 73
AEE Martin Ratio Rank: 71

AWK

AWK Risk / Return Rank: 29
AWK Sharpe Ratio Rank: 31
AWK Sortino Ratio Rank: 26
AWK Omega Ratio Rank: 26
AWK Calmar Ratio Rank: 32
AWK Martin Ratio Rank: 32

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

AEE vs. AWK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Ameren Corporation (AEE) and American Water Works Company, Inc. (AWK). 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.

	AEE	AWK	Difference
Sharpe ratio Return per unit of total volatility	0.81	-0.20	+1.01
Sortino ratio Return per unit of downside risk	1.15	-0.13	+1.28
Omega ratio Gain probability vs. loss probability	1.15	0.99	+0.17
Calmar ratio Return relative to maximum drawdown	1.71	-0.28	+1.99
Martin ratio Return relative to average drawdown	3.74	-0.54	+4.28
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

AEE vs. AWK - Sharpe Ratio Comparison

The current AEE Sharpe Ratio is 0.81, which is higher than the AWK Sharpe Ratio of -0.20. The chart below compares the historical Sharpe Ratios of AEE and AWK, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	AEE	AWK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.81	-0.20	+1.01
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.51	0.00	+0.50
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.53	0.39	+0.14
Sharpe Ratio (All Time) Calculated using the full available price history	0.39	0.60	-0.21

Correlation

The correlation between AEE and AWK is 0.60, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

AEE vs. AWK - Dividend Comparison

AEE's dividend yield for the trailing twelve months is around 2.60%, more than AWK's 2.42% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AEE Ameren Corporation	2.60%	2.84%	3.01%	3.48%	2.65%	2.47%	2.56%	2.50%	2.83%	3.01%	4.08%	3.83%
AWK American Water Works Company, Inc.	2.42%	2.49%	2.41%	2.10%	1.68%	1.25%	1.40%	1.59%	1.96%	1.77%	2.02%	2.23%

Drawdowns

AEE vs. AWK - Drawdown Comparison

The maximum AEE drawdown since its inception was -60.57%, which is greater than AWK's maximum drawdown of -37.10%. Use the drawdown chart below to compare losses from any high point for AEE and AWK.

Drawdown Indicators

	AEE	AWK	Difference
Max Drawdown Largest peak-to-trough decline	-60.57%	-37.10%	-23.47%
Max Drawdown (1Y) Largest decline over 1 year	-7.90%	-17.61%	+9.71%
Max Drawdown (5Y) Largest decline over 5 years	-27.46%	-37.10%	+9.64%
Max Drawdown (10Y) Largest decline over 10 years	-29.09%	-37.10%	+8.01%
Current Drawdown Current decline from peak	-1.83%	-20.71%	+18.88%
Average Drawdown Average peak-to-trough decline	-11.76%	-9.34%	-2.42%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.62%	9.15%	-5.53%

Volatility

AEE vs. AWK - Volatility Comparison

The current volatility for Ameren Corporation (AEE) is 5.28%, while American Water Works Company, Inc. (AWK) has a volatility of 7.02%. This indicates that AEE experiences smaller price fluctuations and is considered to be less risky than AWK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	AEE	AWK	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.28%	7.02%	-1.74%
Volatility (6M) Calculated over the trailing 6-month period	10.88%	16.42%	-5.54%
Volatility (1Y) Calculated over the trailing 1-year period	16.35%	23.09%	-6.74%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.11%	22.77%	-3.66%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.76%	23.65%	-1.89%

Financials

AEE vs. AWK - Profitability Comparison

The chart below illustrates the profitability comparison between Ameren Corporation and American Water Works Company, Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

AEE - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Ameren Corporation reported a gross profit of 498.00M and revenue of 1.78B. Therefore, the gross margin over that period was 28.0%.

AWK - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, American Water Works Company, Inc. reported a gross profit of 723.00M and revenue of 1.27B. Therefore, the gross margin over that period was 56.9%.

AEE - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Ameren Corporation reported an operating income of 360.00M and revenue of 1.78B, resulting in an operating margin of 20.2%.

AWK - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, American Water Works Company, Inc. reported an operating income of 405.00M and revenue of 1.27B, resulting in an operating margin of 31.9%.

AEE - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Ameren Corporation reported a net income of 252.00M and revenue of 1.78B, resulting in a net margin of 14.1%.

AWK - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, American Water Works Company, Inc. reported a net income of 238.00M and revenue of 1.27B, resulting in a net margin of 18.7%.