Compania deneamento de Minas Gerais - COPASA MG (BSP:CSMG3) 3-Year Share Buyback Ratio: 0.00% (As of Jun. 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

BSP:CSMG3 Compania de Saneamento de Minas Gerais - COPASA MG BSP:CSMG3
81 GF Score
Price R$54.50
GF Value R$25.85
Valuation Significantly Overvalued
! 3 Warning Signs
View Full Analysis

What is Compania deneamento de Minas Gerais - COPASA MG 3-Year Share Buyback Ratio?

Compania deneamento de Minas Gerais - COPASA MG BSP:CSMG3 +2.19% 81 3-Year Share Buyback Ratio is 0.00 as of Jun. 2026. GuruFocus rates BSP:CSMG3 with a GF Score™ of 81/100 and a GF Value™ of R$25.85 (Significantly Overvalued). The stock has 3 warning signs investors should review. Among 230 Utilities - Regulated companies, Compania deneamento de Minas Gerais - COPASA MG ranks worse than 434782.17% on this metric.

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. Compania deneamento de Minas Gerais - COPASA MG's current 3-Year Share Buyback Ratio was 0.00%.

The historical rank and industry rank for Compania deneamento de Minas Gerais - COPASA MG's 3-Year Share Buyback Ratio or its related term are showing as below:

During the past 13 years, Compania deneamento de Minas Gerais - COPASA MG's highest 3-Year Share Buyback Ratio was 0.10%. The lowest was -1.50%. And the median was 0.00%.

BSP:CSMG3's 3-Year Share Buyback Ratio is not ranked *
in the Utilities - Regulated industry.
Industry Median: -1.45
* Ranked among companies with meaningful 3-Year Share Buyback Ratio only.

Compania deneamento de Minas Gerais - COPASA MG (BSP:CSMG3) 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.


Compania deneamento de Minas Gerais - COPASA MG 3-Year Share Buyback Ratio Related Terms


BSP:CSMG3 vs AWK, WTRG, AWR: 3-Year Share Buyback Ratio Comparison

For the Utilities - Regulated Water subindustry, Compania deneamento de Minas Gerais - COPASA MG'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.


Compania deneamento de Minas Gerais - COPASA MG 3-Year Share Buyback Ratio vs Utilities - Regulated Industry

For the Utilities - Regulated industry and Utilities sector, Compania deneamento de Minas Gerais - COPASA MG's 3-Year Share Buyback Ratio distribution charts can be found below:

* The bar in red indicates where Compania deneamento de Minas Gerais - COPASA MG's 3-Year Share Buyback Ratio falls into.


BSP:CSMG3
81GF Score
Compania de Saneamento de Minas Gerais - COPASA MG BSP:CSMG3
3-Year Share Buyback Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Compania deneamento de Minas Gerais - COPASA MG 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?
Compania deneamento de Minas Gerais - COPASA MG (BSP:CSMG3) has a 3-Year Share Buyback Ratio of 0.00 as of Jun. 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 Compania deneamento de Minas Gerais - COPASA MG and its competitors. According to the industry distribution chart, Compania deneamento de Minas Gerais - COPASA MG ranks #999999 out of 230 companies in the Utilities - Regulated industry.
Is Compania deneamento de Minas Gerais - COPASA MG's 3-Year Share Buyback Ratio too high?
Compania deneamento de Minas Gerais - COPASA MG's current 3-Year Share Buyback Ratio is 0.00. Based on the distribution chart, Compania deneamento de Minas Gerais - COPASA MG ranks #999999 out of 230 companies in the Utilities - Regulated industry, which is in the bottom quartile relative to peers. Overall, Compania deneamento de Minas Gerais - COPASA MG has a GF Score™ of 81/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Compania deneamento de Minas Gerais - COPASA MG's 3-Year Share Buyback Ratio compare to AWK and WTRG?
According to the Utilities - Regulated industry distribution chart, Compania deneamento de Minas Gerais - COPASA MG ranks #999999 out of 230 companies for 3-Year Share Buyback Ratio. This places Compania deneamento de Minas Gerais - COPASA MG 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 Compania deneamento de Minas Gerais - COPASA MG and its competitors. Compania deneamento de Minas Gerais - COPASA MG'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 Compania deneamento de Minas Gerais - COPASA MG stock overvalued right now?
Based on GuruFocus' analysis, Compania deneamento de Minas Gerais - COPASA MG (BSP:CSMG3) is currently considered Significantly Overvalued. The stock's GF Value™ is R$25.85, compared to a current price of R$54.50 — trading 110.8% above its estimated fair value. The current 3-Year Share Buyback Ratio is 0.00. Compania deneamento de Minas Gerais - COPASA MG's overall GF Score™ is 81/100 with 3 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 Compania deneamento de Minas Gerais - COPASA MG (BSP:CSMG3), the current 3-Year Share Buyback Ratio is 0.00 as of Jun. 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 Compania deneamento de Minas Gerais - COPASA MG (BSP:CSMG3) Overvalued in 2026?

Based on GuruFocus' analysis, Compania deneamento de Minas Gerais - COPASA MG stock appears to be overvalued. The current stock price of R$54.50 is trading 110.8% above its estimated GF Value™ of R$25.85. GuruFocus considers Compania deneamento de Minas Gerais - COPASA MG to be Significantly Overvalued.

Key valuation signals for BSP:CSMG3:

  • 3-Year Share Buyback Ratio: 0.00
  • GF Value™: R$25.85 vs. price of R$54.50 (110.8% above fair value)
  • GF Score™: 81/100 with 3 warning signs

No single metric tells the full story. See the BSP:CSMG3 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Compania deneamento de Minas Gerais - COPASA MG Business Description

Address Rua Mar de Espanha 525, Santo Antonio, Belo Horizonte, MG, BRA, 30330900
Compania de Saneamento de Minas Gerais - COPASA MG provides water supply, sewage, and solid waste services. The company operates out of subsidiaries COPASA Servicos de Irrigacao S.A., COPASA Aguas Minerais de Minas S.A, and COPANOR. COPASA Servicos de Irrigacao S.A. manages, performs, and sells irrigation system services. COPASA Aguas Minerais de Minas S.A. produces, bottles, distributes, and sells mineral water. COPANOR provides water supply and sewage treatment services across the North and Northeast regions of the State of Minas Gerais. A majority of revenue is derived from water services while the rest is derived from sewage services. The company operates out of Brazil, where an amount of revenue is generated.
81GF Score

Get the complete analysis for BSP:CSMG3

3-Year Share Buyback Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

R$54.50
Price
R$25.85
GF Value