ESTRF (Estre Ambiental) Shares Buyback Ratio %: 0.00 (As of Sep. 09, 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.

What is Estre Ambiental Shares Buyback Ratio %?

Estre Ambiental ESTRF -90.00% Shares Buyback Ratio % is 0.00 as of Sep. 09, 2026.

Shares Outstanding (EOP) are shares that have been authorized, issued, and purchased by investors and are held by them.

GuruFocus calculates shares buyback ratio using previous shares outstanding minus the current shares outstanding, and then divides by previous shares outstanding. Estre Ambiental's current shares buyback ratio was 0.00%.

Estre Ambiental Shares Buyback Ratio % Related Terms

Estre Ambiental Shares Buyback Ratio % Historical Data

* Premium members only.

The historical data trend for Estre Ambiental's Shares Buyback Ratio % can be seen below:

* 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.

Estre Ambiental Shares Buyback Ratio % Chart

Estre Ambiental Annual Data
Trend Dec15 Dec16 Dec17 Dec18
Shares Buyback Ratio %
0.00 0.00 -23.34 0.00

Estre Ambiental Semi-Annual Data
Dec15 Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19
Shares Buyback Ratio % Get a 7-Day Free Trial 0.00 -23.34 0.00 0.00 0.00

Estre Ambiental Shares Buyback Ratio % Calculation

Estre Ambiental's Shares Buyback Ratio for the fiscal year that ended in Dec. 2018 is calculated as

Shares Buyback Ratio=(Shares Outstanding (EOP) (A: Dec. 2017 ) - Shares Outstanding (EOP) (A: Dec. 2018 )) / Shares Outstanding (EOP) (A: Dec. 2017 )
=(45.637 - 45.637) / 45.637
=0.00%

Estre Ambiental's Shares Buyback Ratio for the quarter that ended in Jun. 2019 is calculated as

Shares Buyback Ratio=(Shares Outstanding (EOP) (A: Dec. 2018 ) - Shares Outstanding (EOP) (A: Jun. 2019 )) / Shares Outstanding (EOP) (A: Dec. 2018 )
=(45.637 - 45.637) / 45.637
=0.00%

* 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.

Frequently Asked Questions Learn more about Shares Buyback Ratio % →
What does a Shares Buyback Ratio % of 0.00 mean?
Estre Ambiental (ESTRF) has a Shares Buyback Ratio % of 0.00 as of Sep. 09, 2026. Share buyback ratio is the percent change of a company's shares outstanding from two periods. View historical data on Estre Ambiental and its competitors.
Is Estre Ambiental's Shares Buyback Ratio % too high?
Estre Ambiental's current Shares Buyback Ratio % is 0.00.
How does Estre Ambiental's Shares Buyback Ratio % compare to OCLN and HDII?
Estre Ambiental's Shares Buyback Ratio % of 0.00 can be compared against companies in the Waste Management industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Shares Buyback Ratio % for a Waste Management company?
A good Shares Buyback Ratio % depends on the Waste Management industry context. However, Shares 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 Shares Buyback Ratio % mean?
A high Shares Buyback Ratio % can signal that a stock is expensive relative to its fundamentals. Share buyback ratio is the percent change of a company's shares outstanding from two periods. View historical data on Estre Ambiental and its competitors. Estre Ambiental's current Shares 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 Estre Ambiental stock overvalued right now?
Estre Ambiental (ESTRF) has a current Shares Buyback Ratio % of 0.00. The current Shares Buyback Ratio % is 0.00. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Shares Buyback Ratio % calculated?
Shares Buyback Ratio % is calculated from a company's financial statements. For Estre Ambiental (ESTRF), the current Shares Buyback Ratio % is 0.00 as of Sep. 09, 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.

Estre Ambiental Business Description

Address 4509, Avenida Brigadeiro Faria Lima, 8th Floor,Vila Olimpia, Sao Paulo, SP, BRA, 04538-133
Estre Ambiental Inc waste management company in Brazil which operates in the Southeast, South and Northeast regions of Brazil. It operates its own landfills and is engaged in the final treatment of hazardous wastes, temporary storage of waste, collection and burning of landfill biogas, environmental consulting services, recycling, reverse manufacturing of electrical and electronic devices and waste collection, among others activities. The operations are grouped into four business segments Collection and Cleaning Services; Landfills; Oil and Gas; and Value Recovery. It generates a vast majority of its revenue from the collection and cleaning services segment.