COOSF (Carbios) Buyback Yield %: -0.47 (As of Jul. 01, 2026)


COOSF Carbios SA COOSF
64 GF Score
Price $7.15
GF Value $926.69
Valuation Possible Value Trap
! 3 Warning Signs
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What is Carbios Buyback Yield %?

Carbios COOSF 64 Buyback Yield % is -0.47 as of Jul. 01, 2026. GuruFocus rates COOSF with a GF Score™ of 64/100 and a GF Value™ of $926.69 (Possible Value Trap). The stock has 3 warning signs investors should review. Among 349 Chemicals companies, Carbios ranks worse than 66.19% on this metric.

Buyback yield is the net repurchase of shares outstanding over the market capital of the company. It is a measure of shareholder return.

Carbios's current buyback yield was -0.47%.


Carbios Buyback Yield % Historical Data

* Premium members only.

The historical data trend for Carbios's Buyback Yield % 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.

Carbios Buyback Yield % Chart

Carbios Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Buyback Yield %
Get a 7-Day Free Trial Premium Member Only Premium Member Only -24.18 -0.16 -27.93 -0.06 -0.23

Carbios Semi-Annual Data
Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
Buyback Yield % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only -28.31 -38.41 -0.06 -0.09 -0.24

COOSF vs LIN, SHW, ECL: Buyback Yield % Comparison

For the Specialty Chemicals subindustry, Carbios's Buyback Yield %, along with its competitors' market caps and Buyback Yield % 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.


Carbios Buyback Yield % vs Chemicals Industry

For the Chemicals industry and Basic Materials sector, Carbios's Buyback Yield % distribution charts can be found below:

* The bar in red indicates where Carbios's Buyback Yield % falls into.


COOSF
64GF Score
Carbios SA COOSF
Buyback Yield % is just one metric. See GF Score™, valuation, warning signs, and more.
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Carbios Buyback Yield % Calculation

Buyback yield is a measure of shareholder return.

Carbios's Buyback Yield for the fiscal year that ended in Dec. 2025 is calculated as

Buyback Yield=Net Issuance of Stock / Market Cap
=- (Repurchase of Stock + Issuance of Stock) / Market Cap
=- (0 + 0.521) / 228.5885
=-0.23%

Carbios's annualized Buyback Yield for the quarter that ended in Dec. 2025 is calculated as

Buyback Yield=Net Issuance of Stock(TTM) / Market Cap
=- (Repurchase of Stock + Issuance of Stock) (TTM)** / Market Cap
=- (0 + 0.521) / 228.5885
=-0.23%

* 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.

** If the quarter corresponds to the year-end period, we will use the annual Repurchase of Stock and Issuance of Stock data .

Frequently Asked Questions Learn more about Buyback Yield % →
What does a Buyback Yield % of -0.47 mean?
Carbios (COOSF) has a Buyback Yield % of -0.47 as of Jul. 01, 2026. Share buyback yield equals the net issuance of stock divided by market cap. View historical data on Carbios and its competitors. According to the industry distribution chart, Carbios ranks #231 out of 349 companies in the Chemicals industry, placing it in the top 66.2%.
Is Carbios' Buyback Yield % too high?
Carbios' current Buyback Yield % is -0.47. Based on the distribution chart, Carbios ranks #231 out of 349 companies in the Chemicals industry, which is below the industry midpoint. Overall, Carbios has a GF Score™ of 64/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Carbios' Buyback Yield % compare to LIN and SHW?
According to the Chemicals industry distribution chart, Carbios ranks #231 out of 349 companies for Buyback Yield %. This places Carbios in the lower half of its industry. The industry median Buyback Yield % is 0.02. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Buyback Yield % for a Chemicals company?
The median Buyback Yield % among Chemicals companies is 0.02, based on 349 companies in the industry. Companies in the top quartile (top 25%) have a Buyback Yield % significantly above this median, while those in the bottom quartile fall well below. However, Buyback Yield % 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 Buyback Yield % mean?
A high Buyback Yield % can signal that a stock is expensive relative to its fundamentals. Share buyback yield equals the net issuance of stock divided by market cap. View historical data on Carbios and its competitors. For the Chemicals industry, the median Buyback Yield % is 0.02 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Carbios's current Buyback Yield % is -0.47. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Carbios stock overvalued right now?
Based on GuruFocus' analysis, Carbios (COOSF) is currently considered Possible Value Trap. The stock's GF Value™ is $926.69, compared to a current price of $7.15 — trading 99.2% below its estimated fair value. The current Buyback Yield % is -0.47. Carbios' overall GF Score™ is 64/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Buyback Yield % calculated?
Buyback Yield % is calculated from a company's financial statements. For Carbios (COOSF), the current Buyback Yield % is -0.47 as of Jul. 01, 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 Carbios (COOSF) Overvalued in 2026?

Based on GuruFocus' analysis, Carbios stock appears to be undervalued. The current stock price of $7.15 is trading 99.2% below its estimated GF Value™ of $926.69. GuruFocus considers Carbios to be Possible Value Trap.

Key valuation signals for COOSF:

  • Buyback Yield %: -0.47
  • GF Value™: $926.69 vs. price of $7.15 (99.2% below fair value)
  • GF Score™: 64/100 with 3 warning signs

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


Carbios Business Description

Other Exchanges ALCRB:France3C1:Germany
Address 5, Rue de la Baume, Paris, FRA, 75008
Carbios SA specializes in developing industrial bio-process for the recycling of plastic waste and the production of the biopolymer. The company creates a new generation of fully biodegradable plastics with a controlled lifespan, a process enabling infinite biorecycling of plastic waste (PET) and a new biological pathway to produce biosourced polymers. It uses Biodegradation; Biorecycling and Bioproduction techniques.
64GF Score

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Buyback Yield % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$7.15
Price
$926.69
GF Value