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MEX:CIGN's Shiller PE Ratio is ranked better than 72.18% of 399
companies
in the Utilities - Regulated industry
Industry Median: 16.75
vs MEX:CIGN: 11.41
E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years.
Cia Energetica DE Minas Gerais - Cemig's adjusted earnings per share data for the three months ended in Jun. 2026 was MXN1.137. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is MXN6.25 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Cia Energetica DE Minas Gerais - Cemig (MEX:CIGN) Shiller PE Ratio Explanation
Compared with the regular PE Ratio, which works poorly for cyclical businesses, the Shiller PE Ratio smoothed out the fluctuations of profit margins during business cycles. Therefore it is more accurate in reflecting the valuation of the company.
If a company has consistent business performance, the Shiller PE Ratio should give similar results to regular PE Ratio.
Compared with the PS Ratio, the Shiller PE Ratio makes the comparison between different industries more meaningful.
Be Aware
Shiller PE Ratio assumes that over the long term, businesses and profitability revert to their means. If a company's business model does not work in the future compared with the past, Shiller PE Ratio and PS Ratio will give false valuations.
Cia Energetica DE Minas Gerais - Cemig Shiller PE Ratio Related Terms
Cia Energetica DE Minas Gerais - Cemig Shiller PE Ratio Historical Data
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
Cia Energetica DE Minas Gerais - Cemig Shiller PE Ratio Chart
Cia Energetica DE Minas Gerais - Cemig Annual Data
MEX:CIGN vs NEE, SO, DUK: Shiller PE Ratio Comparison
For the Utilities - Regulated Electric subindustry, Cia Energetica DE Minas Gerais - Cemig's Shiller PE Ratio, along with its competitors' market caps and Shiller PE Ratio data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Cia Energetica DE Minas Gerais - Cemig Shiller PE Ratio vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, Cia Energetica DE Minas Gerais - Cemig's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where Cia Energetica DE Minas Gerais - Cemig's Shiller PE Ratio falls into.
Cia Energetica DE Minas Gerais - Cemig Shiller PE Ratio Calculation
For Shiller PE Ratio, the earnings of the past 10 years are inflation-adjusted and averaged. The result is used for P/E calculation. Since it looks at the average over the last 10 years, the Shiller PE Ratio is also called PE10.
The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The same calculation is applied here to individual companies.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
Add all the adjusted EPS together and divide 10 will get our E10.
Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.
Cia Energetica DE Minas Gerais - Cemig (MEX:CIGN) has a Shiller PE Ratio of 5.28 as of Sep. 16, 2026. Shiller price-earnings ratio is the ratio of share price to a company's inflation-adjusted earnings over a 10-year period. View historical data on Cia Energetica DE Minas Gerais - Cemig and its competitors. This is 24% below median its historical median of 6.99. Over the past decade, Cia Energetica DE Minas Gerais - Cemig's Shiller PE Ratio has ranged from 2.25 to 13.17. According to the industry distribution chart, Cia Energetica DE Minas Gerais - Cemig ranks #111 out of 399 companies in the Utilities - Regulated industry, placing it in the top 27.8%.
Is Cia Energetica DE Minas Gerais - Cemig's Shiller PE Ratio too high?
Cia Energetica DE Minas Gerais - Cemig's current Shiller PE Ratio of 5.28 is 24% below median its 10-year median of 6.99. Over the past 10 years, this metric has ranged from a low of 2.25 to a high of 13.17. The Utilities - Regulated industry median Shiller PE Ratio is 16.75. Cia Energetica DE Minas Gerais - Cemig's value of 5.28 is 68.5% below this industry median. Based on the distribution chart, Cia Energetica DE Minas Gerais - Cemig ranks #111 out of 399 companies in the Utilities - Regulated industry, which is above the industry midpoint. Overall, Cia Energetica DE Minas Gerais - Cemig has a GF Score™ of 68/100, reflecting its overall financial health beyond just this single metric.
How does Cia Energetica DE Minas Gerais - Cemig's Shiller PE Ratio compare to NEE and SO?
According to the Utilities - Regulated industry distribution chart, Cia Energetica DE Minas Gerais - Cemig ranks #111 out of 399 companies for Shiller PE Ratio. This puts Cia Energetica DE Minas Gerais - Cemig in the upper half of its industry. The industry median Shiller PE Ratio is 16.75. Cia Energetica DE Minas Gerais - Cemig's value of 5.28 is 68.5% below this benchmark. Historically, Cia Energetica DE Minas Gerais - Cemig's own Shiller PE Ratio has ranged from 2.25 to 13.17 over the past decade. While the company's 10-year median is 6.99 vs. the industry median of 16.75, Cia Energetica DE Minas Gerais - Cemig has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Shiller PE Ratio for an Utilities - Regulated company?
The median Shiller PE Ratio among Utilities - Regulated companies is 16.75, based on 399 companies in the industry. Companies in the top quartile (top 25%) have a Shiller PE Ratio significantly above this median, while those in the bottom quartile fall well below. However, Shiller PE Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Cia Energetica DE Minas Gerais - Cemig's current Shiller PE Ratio of 5.28 is 68.5% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Shiller PE Ratio mean?
A high Shiller PE Ratio can signal that a stock is expensive relative to its fundamentals. Shiller price-earnings ratio is the ratio of share price to a company's inflation-adjusted earnings over a 10-year period. View historical data on Cia Energetica DE Minas Gerais - Cemig and its competitors. For the Utilities - Regulated industry, the median Shiller PE Ratio is 16.75 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Cia Energetica DE Minas Gerais - Cemig's current Shiller PE Ratio is 5.28, which is 24% below median its own 10-year median of 6.99. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Cia Energetica DE Minas Gerais - Cemig stock overvalued right now?
Cia Energetica DE Minas Gerais - Cemig (MEX:CIGN) has a current Shiller PE Ratio of 5.28. The stock's GF Value™ is MXN27.74, compared to a current price of MXN33.00 — trading 19% above its estimated fair value. The current Shiller PE Ratio is 5.28, which is 24% below median its 10-year median of 6.99 and 68.5% below the Utilities - Regulated industry median of 16.75. Cia Energetica DE Minas Gerais - Cemig's overall GF Score™ is 68/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Shiller PE Ratio calculated?
Shiller PE Ratio is calculated from a company's financial statements. For Cia Energetica DE Minas Gerais - Cemig (MEX:CIGN), the current Shiller PE Ratio is 5.28 as of Sep. 16, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is Cia Energetica DE Minas Gerais - Cemig (MEX:CIGN) Overvalued in 2026?
Based on GuruFocus' analysis, Cia Energetica DE Minas Gerais - Cemig stock appears to be overvalued.
The current stock price of MXN33.00 is trading 19% above its estimated GF Value™ of MXN27.74.
Key valuation signals for MEX:CIGN:
Shiller PE Ratio: 5.28 (24% below median its 10-year median of 6.99)
GF Value™: MXN27.74 vs. price of MXN33.00 (19% above fair value)
Industry Position: 68.5% below the Utilities - Regulated median (#111 of 399)
No single metric tells the full story. See the MEX:CIGN stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Cia Energetica DE Minas Gerais - Cemig is a Brazilian energy company engaged in the generation, transmission, distribution, and commercialization of electricity, as well as natural gas distribution. The company operates through six segments: Generation, Transmission, Trading, Distribution, Gas, and Investees. Its activities include power generation mainly from hydroelectric sources, operation and maintenance of transmission and distribution infrastructure, electricity sales to captive and free-market customers, and gas distribution in Minas Gerais. The company derives a majority of its revenue from the Distribution segment, which comprises the distribution and sale of electricity to captive customers, and the operation and maintenance of infrastructure and related services.
68GF Score
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