CIG vs. NRG
CIG (Companhia Energética de Minas Gerais) and NRG (NRG Energy, Inc.) are both stocks. Both are in the Utilities sector — CIG in Utilities - Diversified, NRG in Utilities - Independent Power Producers. Over the past 10 years, CIG returned 20.20%/yr vs 25.18%/yr for NRG. At a 0.28 correlation, their price movements are largely independent.
Performance
CIG vs. NRG - Performance Comparison
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Returns By Period
In the year-to-date period, CIG achieves a 9.77% return, which is significantly higher than NRG's -15.48% return. Over the past 10 years, CIG has underperformed NRG with an annualized return of 20.20%, while NRG has yielded a comparatively higher 25.18% annualized return.
CIG
- 1D
- -1.86%
- 1M
- -12.39%
- YTD
- 9.77%
- 6M
- 7.70%
- 1Y
- 27.13%
- 3Y*
- 16.35%
- 5Y*
- 22.98%
- 10Y*
- 20.20%
NRG
- 1D
- 0.19%
- 1M
- -13.60%
- YTD
- -15.48%
- 6M
- -19.30%
- 1Y
- -15.99%
- 3Y*
- 62.27%
- 5Y*
- 35.21%
- 10Y*
- 25.18%
CIG vs. NRG - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
CIG Companhia Energética de Minas Gerais | 9.77% | 28.04% | 9.38% | 20.62% | 60.40% | -6.09% | -7.92% | -1.14% | 84.56% | -8.17% |
NRG NRG Energy, Inc. | -15.48% | 78.91% | 78.58% | 69.36% | -23.47% | 18.54% | -2.14% | 0.69% | 39.59% | 133.69% |
Correlation
The correlation between CIG and NRG is 0.31, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.31 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.20 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.21 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.24 |
Correlation (All Time) Calculated using the full available price history since Dec 3, 2003 | 0.28 |
The correlation between CIG and NRG shifts across timeframes, from 0.20 (3 years) to 0.31 (1 year), reflecting how their relationship changes across market environments.
Fundamentals
CIG:
$6.04B
NRG:
$27.82B
CIG:
$1.69
NRG:
$1.21
CIG:
1.25
NRG:
110.45
CIG:
0.12
NRG:
1.66
CIG:
0.14
NRG:
0.82
CIG:
0.21
NRG:
6.59
CIG:
$43.35B
NRG:
$32.38B
CIG:
$6.06B
NRG:
$4.69B
CIG:
$6.81B
NRG:
$2.57B
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Return for Risk
CIG vs. NRG — Risk / Return Rank
CIG
NRG
CIG vs. NRG - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Companhia Energética de Minas Gerais (CIG) and NRG Energy, Inc. (NRG). 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.
| CIG | NRG | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.27 | ||
| Sortino ratioReturn per unit of downside risk | +1.65 | ||
| Omega ratioGain probability vs. loss probability | 1.17 | 0.97 | +0.20 |
| Calmar ratioReturn relative to maximum drawdown | 1.27 | -0.49 | +1.76 |
| Martin ratioReturn relative to average drawdown | 3.75 | -1.26 | +5.01 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| CIG | NRG | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.91 | -0.36 | +1.27 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.61 | 0.89 | -0.27 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.43 | 0.64 | -0.21 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.14 | 0.36 | -0.22 |
Drawdowns
CIG vs. NRG - Drawdown Comparison
The maximum CIG drawdown since its inception was -88.84%, which is greater than NRG's maximum drawdown of -79.41%. Use the drawdown chart below to compare losses from any high point for CIG and NRG.
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Drawdown Indicators
| CIG | NRG | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -88.84% | -79.41% | -9.43% |
Max Drawdown (1Y)Largest decline over 1 year | -21.43% | -32.57% | +11.14% |
Max Drawdown (3Y)Largest decline over 3 years | -22.06% | -32.57% | +10.51% |
Max Drawdown (5Y)Largest decline over 5 years | -26.00% | -32.62% | +6.62% |
Max Drawdown (10Y)Largest decline over 10 years | -65.73% | -48.76% | -16.97% |
Current DrawdownCurrent decline from peak | -21.05% | -27.09% | +6.04% |
Average DrawdownAverage peak-to-trough decline | -41.64% | -28.00% | -13.64% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 7.25% | 12.80% | -5.55% |
Volatility
CIG vs. NRG - Volatility Comparison
The current volatility for Companhia Energética de Minas Gerais (CIG) is 8.62%, while NRG Energy, Inc. (NRG) has a volatility of 15.26%. This indicates that CIG experiences smaller price fluctuations and is considered to be less risky than NRG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| CIG | NRG | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 8.62% | 15.26% | -6.64% |
Volatility (6M)Calculated over the trailing 6-month period | 22.93% | 34.36% | -11.43% |
Volatility (1Y)Calculated over the trailing 1-year period | 30.00% | 44.34% | -14.34% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 37.64% | 39.93% | -2.29% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 46.78% | 39.28% | +7.50% |
Dividends
CIG vs. NRG - Dividend Comparison
CIG's dividend yield for the trailing twelve months is around 11.26%, more than NRG's 1.37% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
CIG Companhia Energética de Minas Gerais | 11.26% | 12.02% | 11.10% | 5.50% | 13.28% | 10.94% | 3.94% | 3.35% | 4.20% | 1.98% | 7.39% | 7.78% |
NRG NRG Energy, Inc. | 1.37% | 1.11% | 1.81% | 2.92% | 4.40% | 3.02% | 3.20% | 0.30% | 0.30% | 0.42% | 1.92% | 4.93% |
Financials
CIG vs. NRG - Financials Comparison
This section allows you to compare key financial metrics between Companhia Energética de Minas Gerais and NRG Energy, Inc.. 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
CIG vs. NRG - Profitability Comparison
CIG - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Companhia Energética de Minas Gerais reported a gross profit of 1.62B and revenue of 10.27B. Therefore, the gross margin over that period was 15.8%.
NRG - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, NRG Energy, Inc. reported a gross profit of 0.00 and revenue of 10.26B. Therefore, the gross margin over that period was 0.0%.
CIG - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Companhia Energética de Minas Gerais reported an operating income of 1.31B and revenue of 10.27B, resulting in an operating margin of 12.8%.
NRG - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, NRG Energy, Inc. reported an operating income of 328.00M and revenue of 10.26B, resulting in an operating margin of 3.2%.
CIG - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Companhia Energética de Minas Gerais reported a net income of 960.23M and revenue of 10.27B, resulting in a net margin of 9.4%.
NRG - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, NRG Energy, Inc. reported a net income of 125.00M and revenue of 10.26B, resulting in a net margin of 1.2%.
Frequently Asked Questions
CIG and NRG have a correlation of 0.31, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
NRG has higher volatility (15.26%) compared to CIG (8.62%). In terms of maximum drawdown, CIG dropped -88.84% vs NRG's -79.41%.
CIG currently has the higher Sharpe Ratio (0.91 vs -0.36), 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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