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MGEE vs. IVV
Performance
Return for Risk
Drawdowns
Volatility
Dividends

MGEE vs. IVV

Last updated Jul 14, 2026
Documentation

MGEE (MGE Energy, Inc.) is a stock, while IVV (iShares Core S&P 500 ETF) is S&P 500 fund tracking the S&P 500 Index. Over the past 10 years, MGEE returned 6.07%/yr vs 15.14%/yr for IVV. At a 0.46 correlation, their price movements are largely independent.

Performance

MGEE vs. IVV - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in MGE Energy, Inc. (MGEE) and iShares Core S&P 500 ETF (IVV). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, MGEE achieves a 6.06% return, which is significantly lower than IVV's 10.46% return. Over the past 10 years, MGEE has underperformed IVV with an annualized return of 6.07%, while IVV has yielded a comparatively higher 15.14% annualized return.

MGEE

1D
0.49%
1M
5.81%
6M
5.61%
YTD
6.06%
1Y
-2.48%
3Y*
3.79%
5Y*
3.89%
10Y*
6.07%

IVV

1D
-0.73%
1M
1.27%
6M
8.36%
YTD
10.46%
1Y
21.57%
3Y*
20.16%
5Y*
13.01%
10Y*
15.14%
*Multi-year figures are annualized to reflect compound growth (CAGR)

MGEE vs. IVV - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
MGEE
MGE Energy, Inc.		6.06%-14.75%32.80%5.10%-12.57%19.90%-9.30%34.04%-2.90%-1.48%
IVV
iShares Core S&P 500 ETF		10.46%17.85%24.93%26.31%-18.16%28.76%18.40%31.07%-4.49%21.75%

Correlation

The correlation between MGEE and IVV is -0.01, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

Correlation
Correlation (1Y)
Calculated over the trailing 1-year period

-0.01

Correlation (3Y)
Calculated over the trailing 3-year period

0.15

Correlation (5Y)
Calculated over the trailing 5-year period

0.24

Correlation (10Y)
Calculated over the trailing 10-year period

0.30

Correlation (All Time)
Calculated using the full available price history since May 19, 2000

0.46

The correlation between MGEE and IVV shifts across timeframes, from -0.01 (1 year) to 0.46 (all time), reflecting how their relationship changes across market environments.

Compare stocks, funds, or ETFs

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MGE Energy, Inc.

iShares Core S&P 500 ETF

Often compared with MGEE:
MGEE vs. OTTRMGEE vs. GLDMGEE vs. IMOMGEE vs. QQQMGEE vs. WECMGEE vs. SREMGEE vs. SPY
Often compared with IVV:
IVV vs. VOOIVV vs. SPYIVV vs. FXAIXIVV vs. QQQIVV vs. VTIIVV vs. IOOIVV vs. CSPX.L

Return for Risk

MGEE vs. IVV — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
MGEE
MGEE Risk / Return Rank: 3737
Overall Rank
MGEE Sharpe Ratio Rank: 4040
Sharpe Ratio Rank
MGEE Sortino Ratio Rank: 3333
Sortino Ratio Rank
MGEE Omega Ratio Rank: 3333
Omega Ratio Rank
MGEE Calmar Ratio Rank: 4040
Calmar Ratio Rank
MGEE Martin Ratio Rank: 4040
Martin Ratio Rank
IVV
IVV Risk / Return Rank: 6666
Overall Rank
IVV Sharpe Ratio Rank: 6666
Sharpe Ratio Rank
IVV Sortino Ratio Rank: 6565
Sortino Ratio Rank
IVV Omega Ratio Rank: 6666
Omega Ratio Rank
IVV Calmar Ratio Rank: 6161
Calmar Ratio Rank
IVV Martin Ratio Rank: 7272
Martin Ratio Rank
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. IVV - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for MGE Energy, Inc. (MGEE) and iShares Core S&P 500 ETF (IVV). 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.

MGEEIVVDifference
Sharpe ratioReturn per unit of total volatility
-0.12
1.72

-1.84

Sortino ratioReturn per unit of downside risk
-0.02
2.38

-2.40

Omega ratioGain probability vs. loss probability

1.00

1.31

-0.32

Calmar ratioReturn relative to maximum drawdown

-0.15

2.44

-2.59

Martin ratioReturn relative to average drawdown

-0.30

10.60

-10.90

MGEE vs. IVV - Sharpe Ratio Comparison

The current MGEE Sharpe Ratio is -0.12, which is lower than the IVV Sharpe Ratio of 1.72. The chart below compares the historical Sharpe Ratios of MGEE and IVV, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

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Drawdowns

MGEE vs. IVV - Drawdown Comparison

The maximum MGEE drawdown since its inception was -33.91%, smaller than the maximum IVV drawdown of -55.25%. Use the drawdown chart below to compare losses from any high point for MGEE and IVV.

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Drawdown Indicators

MGEEIVVDifference

Max Drawdown

Largest peak-to-trough decline

-33.91%

-55.25%

+21.34%

Max Drawdown (1Y)

Largest decline over 1 year

-16.61%

-8.89%

-7.72%

Max Drawdown (3Y)

Largest decline over 3 years

-30.88%

-18.75%

-12.13%

Max Drawdown (5Y)

Largest decline over 5 years

-30.88%

-24.53%

-6.35%

Max Drawdown (10Y)

Largest decline over 10 years

-33.91%

-33.90%

-0.01%

Current Drawdown

Current decline from peak

-21.12%

-1.11%

-20.01%

Average Drawdown

Average peak-to-trough decline

-7.68%

-10.74%

+3.06%

Ulcer Index

Depth and duration of drawdowns from previous peaks

8.36%

2.04%

+6.32%

Volatility

MGEE vs. IVV - Volatility Comparison

MGE Energy, Inc. (MGEE) has a higher volatility of 6.02% compared to iShares Core S&P 500 ETF (IVV) at 4.32%. This indicates that MGEE's price experiences larger fluctuations and is considered to be riskier than IVV based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

MGEEIVVDifference

Volatility (1M)

Calculated over the trailing 1-month period

6.02%

4.32%

+1.70%

Volatility (6M)

Calculated over the trailing 6-month period

16.75%

10.05%

+6.70%

Volatility (1Y)

Calculated over the trailing 1-year period

20.90%

12.60%

+8.30%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

23.36%

17.01%

+6.35%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

27.46%

18.05%

+9.41%

Dividends

MGEE vs. IVV - Dividend Comparison

MGEE's dividend yield for the trailing twelve months is around 2.31%, more than IVV's 1.09% yield.

PositionTTM20252024202320222021202020192018201720162015
IVV
iShares Core S&P 500 ETF		1.09%1.17%1.30%1.44%1.66%1.20%1.57%1.85%2.21%1.75%2.01%2.27%
MGEE
MGE Energy, Inc.		2.31%2.36%1.87%2.31%2.26%1.84%2.06%1.75%2.20%2.00%1.85%2.49%

Frequently Asked Questions

MGEE and IVV have a correlation of -0.01, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

MGEE has higher volatility (6.02%) compared to IVV (4.32%). In terms of maximum drawdown, MGEE dropped -33.91% vs IVV's -55.25%.

IVV currently has the higher Sharpe Ratio (1.72 vs -0.12), 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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