MGEE vs. SRE

Last updated Jun 3, 2026

MGEE (MGE Energy, Inc.) and SRE (Sempra Energy) are both stocks. Both operate in the Utilities - Diversified industry within the Utilities sector. Over the past 10 years, MGEE returned 5.82%/yr vs 8.43%/yr for SRE. At a 0.44 correlation, their price movements are largely independent.

Performance

MGEE vs. SRE - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in MGE Energy, Inc. (MGEE) and Sempra Energy (SRE). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MGEE achieves a -3.97% return, which is significantly lower than SRE's 2.13% return. Over the past 10 years, MGEE has underperformed SRE with an annualized return of 5.82%, while SRE has yielded a comparatively higher 8.43% annualized return.

MGEE

• 1D: 2.44%
• 1M: -7.11%
• YTD: -3.97%
• 6M: -5.19%
• 1Y: -15.65%
• 3Y*: 2.70%
• 5Y*: 1.83%
• 10Y*: 5.82%

SRE

• 1D: 2.78%
• 1M: -5.41%
• YTD: 2.13%
• 6M: -0.13%
• 1Y: 18.28%
• 3Y*: 10.86%
• 5Y*: 8.89%
• 10Y*: 8.43%

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

MGEE vs. SRE - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MGEE MGE Energy, Inc.	-3.97%	-14.75%	32.80%	5.10%	-12.57%	19.90%	-9.30%	34.04%	-2.90%	-1.48%
SRE Sempra Energy	2.13%	3.94%	21.11%	-0.06%	20.30%	7.39%	-12.78%	44.01%	4.49%	9.43%

Correlation

The correlation between MGEE and SRE is 0.49, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.49
Correlation (3Y) Calculated over the trailing 3-year period	0.53
Correlation (5Y) Calculated over the trailing 5-year period	0.57
Correlation (10Y) Calculated over the trailing 10-year period	0.55
Correlation (All Time) Calculated using the full available price history since Jun 30, 1998	0.44

The correlation between MGEE and SRE shifts across timeframes, from 0.44 (all time) to 0.57 (5 years), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap MGEE : $2.72B SRE : $58.53B
EPS MGEE : $3.90 SRE : $3.17
PE Ratio MGEE : 19.06 SRE : 28.26
PEG Ratio MGEE : 3.03 SRE : 1.76
PS Ratio MGEE : 3.55 SRE : 4.30
PB Ratio MGEE : 2.18 SRE : 1.48
Total Revenue (TTM) MGEE : $767.39M SRE : $13.61B
Gross Profit (TTM) MGEE : $744.92M SRE : $4.94B
EBITDA (TTM) MGEE : $282.54M SRE : $4.51B

Return for Risk

MGEE vs. SRE — Risk / Return Rank

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

MGEE

MGEE Risk / Return Rank: 9
MGEE Sharpe Ratio Rank: 9
MGEE Sortino Ratio Rank: 11
MGEE Omega Ratio Rank: 12
MGEE Calmar Ratio Rank: 9
MGEE Martin Ratio Rank: 4

SRE

SRE Risk / Return Rank: 66
SRE Sharpe Ratio Rank: 69
SRE Sortino Ratio Rank: 62
SRE Omega Ratio Rank: 60
SRE Calmar Ratio Rank: 67
SRE Martin Ratio Rank: 71

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.

MGEE vs. SRE - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for MGE Energy, Inc. (MGEE) and Sempra Energy (SRE). 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.

	MGEE	SRE	Difference
Sharpe ratio Return per unit of total volatility	-0.77	0.92	-1.69
Sortino ratio Return per unit of downside risk	-0.94	1.36	-2.31
Omega ratio Gain probability vs. loss probability	0.88	1.17	-0.28
Calmar ratio Return relative to maximum drawdown	-0.82	1.38	-2.20
Martin ratio Return relative to average drawdown	-1.55	4.03	-5.58
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MGEE vs. SRE - Sharpe Ratio Comparison

The current MGEE Sharpe Ratio is -0.77, which is lower than the SRE Sharpe Ratio of 0.92. The chart below compares the historical Sharpe Ratios of MGEE and SRE, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	MGEE	SRE	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.77	0.92	-1.69
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.08	0.39	-0.31
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.21	0.34	-0.13
Sharpe Ratio (All Time) Calculated using the full available price history	0.38	0.42	-0.04

Drawdowns

MGEE vs. SRE - Drawdown Comparison

The maximum MGEE drawdown since its inception was -33.91%, smaller than the maximum SRE drawdown of -45.00%. Use the drawdown chart below to compare losses from any high point for MGEE and SRE.

Drawdown Indicators

	MGEE	SRE	Difference
Max Drawdown Largest peak-to-trough decline	-33.91%	-45.00%	+11.09%
Max Drawdown (1Y) Largest decline over 1 year	-19.07%	-12.65%	-6.42%
Max Drawdown (3Y) Largest decline over 3 years	-30.88%	-31.62%	+0.74%
Max Drawdown (5Y) Largest decline over 5 years	-30.88%	-31.62%	+0.74%
Max Drawdown (10Y) Largest decline over 10 years	-33.91%	-45.00%	+11.09%
Current Drawdown Current decline from peak	-28.58%	-10.23%	-18.35%
Average Drawdown Average peak-to-trough decline	-7.63%	-10.12%	+2.49%
Ulcer Index Depth and duration of drawdowns from previous peaks	10.14%	4.32%	+5.82%

Volatility

MGEE vs. SRE - Volatility Comparison

MGE Energy, Inc. (MGEE) has a higher volatility of 9.76% compared to Sempra Energy (SRE) at 6.45%. This indicates that MGEE's price experiences larger fluctuations and is considered to be riskier than SRE based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MGEE	SRE	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.76%	6.45%	+3.31%
Volatility (6M) Calculated over the trailing 6-month period	16.39%	14.67%	+1.72%
Volatility (1Y) Calculated over the trailing 1-year period	20.42%	19.87%	+0.55%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.31%	22.83%	+0.48%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	27.43%	24.87%	+2.56%

Dividends

MGEE vs. SRE - Dividend Comparison

MGEE's dividend yield for the trailing twelve months is around 2.55%, less than SRE's 2.90% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MGEE MGE Energy, Inc.	2.55%	2.36%	1.87%	2.31%	2.26%	1.84%	2.06%	1.75%	2.20%	2.00%	1.85%	2.49%
SRE Sempra Energy	2.90%	2.92%	2.83%	3.18%	2.96%	3.33%	3.28%	2.55%	3.31%	3.08%	3.37%	2.98%

Financials

MGEE vs. SRE - Profitability Comparison

The chart below illustrates the profitability comparison between MGE Energy, Inc. and Sempra Energy over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

MGEE - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, MGE Energy, Inc. reported a gross profit of 240.24M and revenue of 242.70M. Therefore, the gross margin over that period was 99.0%.

SRE - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Sempra Energy reported a gross profit of 2.08B and revenue of 3.66B. Therefore, the gross margin over that period was 56.9%.

MGEE - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, MGE Energy, Inc. reported an operating income of 53.15M and revenue of 242.70M, resulting in an operating margin of 21.9%.

SRE - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Sempra Energy reported an operating income of 0.00 and revenue of 3.66B, resulting in an operating margin of 0.0%.

MGEE - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, MGE Energy, Inc. reported a net income of 48.48M and revenue of 242.70M, resulting in a net margin of 20.0%.

SRE - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Sempra Energy reported a net income of 1.15B and revenue of 3.66B, resulting in a net margin of 31.5%.

Frequently Asked Questions

Can I hold both MGEE and SRE in my portfolio?

MGEE and SRE have a correlation of 0.49, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MGEE or SRE?

MGEE has higher volatility (9.76%) compared to SRE (6.45%). In terms of maximum drawdown, MGEE dropped -33.91% vs SRE's -45.00%.

Which has better risk-adjusted returns?

SRE currently has the higher Sharpe Ratio (0.92 vs -0.77), 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.