OGE vs. AEE

Last updated Apr 1, 2026

Compare and contrast key facts about OGE Energy Corp. (OGE) and Ameren Corporation (AEE).

Performance

OGE vs. AEE - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in OGE Energy Corp. (OGE) and Ameren Corporation (AEE). The values are adjusted to include any dividend payments, if applicable.

OGE vs. AEE - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
OGE OGE Energy Corp.	13.44%	7.60%	23.69%	-7.54%	7.58%	26.54%	-24.91%	17.54%	23.90%	1.95%
AEE Ameren Corporation	10.82%	15.31%	27.47%	-16.07%	2.54%	17.09%	4.26%	20.82%	13.99%	15.93%

Fundamentals

Market Cap OGE : $9.71B AEE : $30.09B
EPS OGE : $2.33 AEE : $5.35
PE Ratio OGE : 20.61 AEE : 20.56
PB Ratio OGE : 1.95 AEE : 2.24
Total Revenue (TTM) OGE : $0.00 AEE : $8.80B
Gross Profit (TTM) OGE : $0.00 AEE : $3.36B
EBITDA (TTM) OGE : $0.00 AEE : $3.91B

Returns By Period

In the year-to-date period, OGE achieves a 13.44% return, which is significantly higher than AEE's 10.82% return. Over the past 10 years, OGE has underperformed AEE with an annualized return of 9.68%, while AEE has yielded a comparatively higher 11.37% annualized return.

OGE

• 1D: 0.15%
• 1M: -2.40%
• YTD: 13.44%
• 6M: 5.67%
• 1Y: 8.44%
• 3Y*: 13.19%
• 5Y*: 12.89%
• 10Y*: 9.68%

AEE

• 1D: 0.22%
• 1M: -2.31%
• YTD: 10.82%
• 6M: 6.79%
• 1Y: 12.65%
• 3Y*: 11.78%
• 5Y*: 9.44%
• 10Y*: 11.37%

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

Return for Risk

OGE vs. AEE — Risk / Return Rank

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

OGE

OGE Risk / Return Rank: 57
OGE Sharpe Ratio Rank: 60
OGE Sortino Ratio Rank: 50
OGE Omega Ratio Rank: 49
OGE Calmar Ratio Rank: 64
OGE Martin Ratio Rank: 62

AEE

AEE Risk / Return Rank: 67
AEE Sharpe Ratio Rank: 69
AEE Sortino Ratio Rank: 60
AEE Omega Ratio Rank: 59
AEE Calmar Ratio Rank: 74
AEE Martin Ratio Rank: 72

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.

OGE vs. AEE - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for OGE Energy Corp. (OGE) 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.

	OGE	AEE	Difference
Sharpe ratio Return per unit of total volatility	0.52	0.78	-0.26
Sortino ratio Return per unit of downside risk	0.79	1.11	-0.32
Omega ratio Gain probability vs. loss probability	1.10	1.15	-0.05
Calmar ratio Return relative to maximum drawdown	0.99	1.70	-0.71
Martin ratio Return relative to average drawdown	2.12	3.71	-1.59
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

OGE vs. AEE - Sharpe Ratio Comparison

The current OGE Sharpe Ratio is 0.52, which is lower than the AEE Sharpe Ratio of 0.78. The chart below compares the historical Sharpe Ratios of OGE and AEE, 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

	OGE	AEE	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.52	0.78	-0.26
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.70	0.50	+0.20
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.44	0.52	-0.08
Sharpe Ratio (All Time) Calculated using the full available price history	0.51	0.39	+0.12

Correlation

The correlation between OGE and AEE is 0.65, 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

OGE vs. AEE - Dividend Comparison

OGE's dividend yield for the trailing twelve months is around 3.53%, more than AEE's 2.62% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
OGE OGE Energy Corp.	3.53%	3.95%	4.06%	4.75%	4.16%	4.21%	4.91%	3.33%	3.48%	3.77%	3.37%	3.90%
AEE Ameren Corporation	2.62%	2.84%	3.01%	3.48%	2.65%	2.47%	2.56%	2.50%	2.83%	3.01%	4.08%	3.83%

Drawdowns

OGE vs. AEE - Drawdown Comparison

The maximum OGE drawdown since its inception was -48.85%, smaller than the maximum AEE drawdown of -60.57%. Use the drawdown chart below to compare losses from any high point for OGE and AEE.

Drawdown Indicators

	OGE	AEE	Difference
Max Drawdown Largest peak-to-trough decline	-48.85%	-60.57%	+11.72%
Max Drawdown (1Y) Largest decline over 1 year	-9.65%	-7.90%	-1.75%
Max Drawdown (5Y) Largest decline over 5 years	-21.94%	-27.46%	+5.52%
Max Drawdown (10Y) Largest decline over 10 years	-48.85%	-29.09%	-19.76%
Current Drawdown Current decline from peak	-2.62%	-2.60%	-0.02%
Average Drawdown Average peak-to-trough decline	-9.27%	-11.76%	+2.49%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.52%	3.62%	+0.90%

Volatility

OGE vs. AEE - Volatility Comparison

The current volatility for OGE Energy Corp. (OGE) is 4.57%, while Ameren Corporation (AEE) has a volatility of 5.26%. This indicates that OGE experiences smaller price fluctuations and is considered to be less risky than AEE based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	OGE	AEE	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.57%	5.26%	-0.69%
Volatility (6M) Calculated over the trailing 6-month period	10.51%	10.88%	-0.37%
Volatility (1Y) Calculated over the trailing 1-year period	16.37%	16.35%	+0.02%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.61%	19.10%	-0.49%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.94%	21.76%	+0.18%

Financials

OGE vs. AEE - Profitability Comparison

The chart below illustrates the profitability comparison between OGE Energy Corp. and Ameren Corporation over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

OGE - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, OGE Energy Corp. reported a gross profit of -1.31B and revenue of -2.53B. Therefore, the gross margin over that period was 51.8%.

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%.

OGE - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, OGE Energy Corp. reported an operating income of -661.20M and revenue of -2.53B, resulting in an operating margin of 26.1%.

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%.

OGE - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, OGE Energy Corp. reported a net income of 69.20M and revenue of -2.53B, resulting in a net margin of -2.7%.

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%.