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Shares Outstanding (EOP) are shares that have been authorized, issued, and purchased by investors and are held by them.
3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. A positive ratio may indicate share buybacks over the period, while a zero or negative ratio may reflect no repurchases or potential share issuance. Cia Energetica DE Minas Gerais - Cemig's current 3-Year Share Buyback Ratio was 0.00%.
During the past 13 years, Cia Energetica DE Minas Gerais - Cemig's highest 3-Year Share Buyback Ratio was 12.70%. The lowest was -6.30%. And the median was -3.70%.
MEX:CIGN's 3-Year Share Buyback Ratio is not ranked *
in the Utilities - Regulated industry.
Industry Median: -1.5 * Ranked among companies with meaningful 3-Year Share Buyback Ratio only.
Cia Energetica DE Minas Gerais - Cemig (MEX:CIGN) 3-Year Share Buyback Ratio Explanation
A negative number means the company might be issuing new shares. A positive number indicates that the company is buying back shares.
Be Aware
Investors usually like share buybacks. But as pointed by Warren Buffett, only if a company buys back shares at the prices below the stock's intrinsic value, it rewards remaining shareholders. If a company buys its overvalued stocks back, it destroys shareholder value.
Cia Energetica DE Minas Gerais - Cemig 3-Year Share Buyback Ratio Related Terms
MEX:CIGN vs NEE, SO, DUK: 3-Year Share Buyback Ratio Comparison
For the Utilities - Regulated Electric subindustry, Cia Energetica DE Minas Gerais - Cemig's 3-Year Share Buyback Ratio, along with its competitors' market caps and 3-Year Share Buyback 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 3-Year Share Buyback Ratio vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, Cia Energetica DE Minas Gerais - Cemig's 3-Year Share Buyback Ratio distribution charts can be found below:
* The bar in red indicates where Cia Energetica DE Minas Gerais - Cemig's 3-Year Share Buyback Ratio falls into.
Cia Energetica DE Minas Gerais - Cemig 3-Year Share Buyback Ratio Calculation
This is the annualized percentage change in shares outstanding from three years ago to the current year. The annualized percentage change is calculated with expontential compound based on the latest four years of annual data on Shares Outstanding (EOP).
Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the average dividends per share growth rate.
What does a 3-Year Share Buyback Ratio of 0.00 mean?
Cia Energetica DE Minas Gerais - Cemig (MEX:CIGN) has a 3-Year Share Buyback Ratio of 0.00 as of Mar. 2026. The 3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. View historical data for Cia Energetica DE Minas Gerais - Cemig and its competitors. According to the industry distribution chart, Cia Energetica DE Minas Gerais - Cemig ranks #999999 out of 231 companies in the Utilities - Regulated industry.
Is Cia Energetica DE Minas Gerais - Cemig's 3-Year Share Buyback Ratio too high?
Cia Energetica DE Minas Gerais - Cemig's current 3-Year Share Buyback Ratio is 0.00. Based on the distribution chart, Cia Energetica DE Minas Gerais - Cemig ranks #999999 out of 231 companies in the Utilities - Regulated industry, which is in the bottom quartile relative to peers. Overall, Cia Energetica DE Minas Gerais - Cemig has a GF Score™ of 57/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Cia Energetica DE Minas Gerais - Cemig's 3-Year Share Buyback Ratio compare to NEE and SO?
According to the Utilities - Regulated industry distribution chart, Cia Energetica DE Minas Gerais - Cemig ranks #999999 out of 231 companies for 3-Year Share Buyback Ratio. This places Cia Energetica DE Minas Gerais - Cemig in the lower half of its industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 3-Year Share Buyback Ratio for an Utilities - Regulated company?
A good 3-Year Share Buyback Ratio depends on the Utilities - Regulated industry context. However, 3-Year Share Buyback Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high 3-Year Share Buyback Ratio mean?
A high 3-Year Share Buyback Ratio can signal that a stock is expensive relative to its fundamentals. The 3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. View historical data for Cia Energetica DE Minas Gerais - Cemig and its competitors. Cia Energetica DE Minas Gerais - Cemig's current 3-Year Share Buyback Ratio is 0.00. 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?
Based on GuruFocus' analysis, Cia Energetica DE Minas Gerais - Cemig (MEX:CIGN) is currently considered Significantly Undervalued. The stock's GF Value™ is MXN8,476.90, compared to a current price of MXN38.00 — trading 99.6% below its estimated fair value. The current 3-Year Share Buyback Ratio is 0.00. Cia Energetica DE Minas Gerais - Cemig's overall GF Score™ is 57/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 3-Year Share Buyback Ratio calculated?
3-Year Share Buyback Ratio is calculated from a company's financial statements. For Cia Energetica DE Minas Gerais - Cemig (MEX:CIGN), the current 3-Year Share Buyback Ratio is 0.00 as of Mar. 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 undervalued.
The current stock price of MXN38.00 is trading 99.6% below its estimated GF Value™ of MXN8,476.90.
GuruFocus considers Cia Energetica DE Minas Gerais - Cemig to be Significantly Undervalued.
Key valuation signals for MEX:CIGN:
3-Year Share Buyback Ratio: 0.00
GF Value™: MXN8,476.90 vs. price of MXN38.00 (99.6% below fair value)
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 Business Description
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.
57GF Score
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