CIG vs. VST

Last updated Apr 1, 2026

Compare and contrast key facts about Companhia Energética de Minas Gerais (CIG) and Vistra Corp. (VST).

Performance

CIG vs. VST - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Companhia Energética de Minas Gerais (CIG) and Vistra Corp. (VST). The values are adjusted to include any dividend payments, if applicable.

CIG vs. VST - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
CIG Companhia Energética de Minas Gerais	21.73%	28.04%	9.38%	20.62%	60.40%	-6.09%	-7.92%	-1.14%	84.56%	-8.17%
VST Vistra Corp.	-6.69%	17.66%	261.52%	70.73%	5.08%	19.57%	-11.87%	2.46%	24.95%	18.19%

Fundamentals

EPS CIG : $1.72 VST : $4.17
PE Ratio CIG : 1.39 VST : 36.05
PEG Ratio CIG : 0.13 VST : 0.97
PS Ratio CIG : 0.16 VST : 1.92
Total Revenue (TTM) CIG : $42.79B VST : $17.74B
Gross Profit (TTM) CIG : $6.14B VST : $3.96B
EBITDA (TTM) CIG : $6.94B VST : -$2.59B

Returns By Period

In the year-to-date period, CIG achieves a 21.73% return, which is significantly higher than VST's -6.69% return.

CIG

• 1D: 2.58%
• 1M: 2.72%
• YTD: 21.73%
• 6M: 21.81%
• 1Y: 53.88%
• 3Y*: 22.74%
• 5Y*: 32.16%
• 10Y*: 18.13%

VST

• 1D: 1.89%
• 1M: -13.43%
• YTD: -6.69%
• 6M: -23.06%
• 1Y: 28.66%
• 3Y*: 86.61%
• 5Y*: 56.44%
• 10Y*: —

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

Return for Risk

CIG vs. VST — Risk / Return Rank

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

CIG

CIG Risk / Return Rank: 87
CIG Sharpe Ratio Rank: 89
CIG Sortino Ratio Rank: 85
CIG Omega Ratio Rank: 82
CIG Calmar Ratio Rank: 90
CIG Martin Ratio Rank: 89

VST

VST Risk / Return Rank: 59
VST Sharpe Ratio Rank: 61
VST Sortino Ratio Rank: 58
VST Omega Ratio Rank: 57
VST Calmar Ratio Rank: 60
VST Martin Ratio Rank: 59

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.

CIG vs. VST - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Companhia Energética de Minas Gerais (CIG) and Vistra Corp. (VST). 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	VST	Difference
Sharpe ratio Return per unit of total volatility	1.79	0.52	+1.27
Sortino ratio Return per unit of downside risk	2.39	1.04	+1.35
Omega ratio Gain probability vs. loss probability	1.29	1.14	+0.16
Calmar ratio Return relative to maximum drawdown	3.73	0.78	+2.95
Martin ratio Return relative to average drawdown	9.63	1.65	+7.97
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CIG vs. VST - Sharpe Ratio Comparison

The current CIG Sharpe Ratio is 1.79, which is higher than the VST Sharpe Ratio of 0.52. The chart below compares the historical Sharpe Ratios of CIG and VST, 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

	CIG	VST	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.79	0.52	+1.27
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.85	1.20	-0.35
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.38	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.15	0.73	-0.59

Correlation

The correlation between CIG and VST is 0.19, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

CIG vs. VST - Dividend Comparison

CIG's dividend yield for the trailing twelve months is around 10.48%, more than VST's 0.60% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CIG Companhia Energética de Minas Gerais	10.48%	12.02%	11.10%	5.50%	13.28%	10.94%	3.94%	3.35%	4.20%	1.98%	7.39%	7.78%
VST Vistra Corp.	0.60%	0.56%	0.63%	2.13%	3.12%	2.64%	2.75%	2.17%	0.00%	0.00%	14.97%	0.00%

Drawdowns

CIG vs. VST - Drawdown Comparison

The maximum CIG drawdown since its inception was -88.84%, which is greater than VST's maximum drawdown of -53.32%. Use the drawdown chart below to compare losses from any high point for CIG and VST.

Drawdown Indicators

	CIG	VST	Difference
Max Drawdown Largest peak-to-trough decline	-88.84%	-53.32%	-35.52%
Max Drawdown (1Y) Largest decline over 1 year	-14.04%	-34.51%	+20.47%
Max Drawdown (5Y) Largest decline over 5 years	-26.00%	-48.80%	+22.80%
Max Drawdown (10Y) Largest decline over 10 years	-65.73%	—	—
Current Drawdown Current decline from peak	0.00%	-30.83%	+30.83%
Average Drawdown Average peak-to-trough decline	-41.83%	-13.39%	-28.44%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.45%	16.29%	-10.84%

Volatility

CIG vs. VST - Volatility Comparison

The current volatility for Companhia Energética de Minas Gerais (CIG) is 10.54%, while Vistra Corp. (VST) has a volatility of 18.07%. This indicates that CIG experiences smaller price fluctuations and is considered to be less risky than VST based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CIG	VST	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.54%	18.07%	-7.53%
Volatility (6M) Calculated over the trailing 6-month period	22.72%	38.53%	-15.81%
Volatility (1Y) Calculated over the trailing 1-year period	30.27%	55.49%	-25.22%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	38.08%	47.36%	-9.28%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	47.54%	42.15%	+5.39%

Financials

CIG vs. VST - Profitability Comparison

The chart below illustrates the profitability comparison between Companhia Energética de Minas Gerais and Vistra Corp. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

CIG - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Companhia Energética de Minas Gerais reported a gross profit of 1.66B and revenue of 11.68B. Therefore, the gross margin over that period was 14.2%.

VST - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Vistra Corp. reported a gross profit of 0.00 and revenue of 3.35B. 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 Apr 2026, Companhia Energética de Minas Gerais reported an operating income of 1.31B and revenue of 11.68B, resulting in an operating margin of 11.3%.

VST - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Vistra Corp. reported an operating income of -818.00M and revenue of 3.35B, resulting in an operating margin of -24.5%.

CIG - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Companhia Energética de Minas Gerais reported a net income of 1.90B and revenue of 11.68B, resulting in a net margin of 16.3%.

VST - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Vistra Corp. reported a net income of 233.00M and revenue of 3.35B, resulting in a net margin of 7.0%.