Diamond Biotechnology Co (ROCO:6815) Buyback Yield %: 1.40 (As of Aug. 04, 2026)

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ROCO:6815 Diamond Biotechnology Co Ltd ROCO:6815
77 GF Score
Price NT$25.50
GF Value NT$48.15
Valuation Possible Value Trap
! 7 Warning Signs
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What is Diamond Biotechnology Co Buyback Yield %?

Diamond Biotechnology Co ROCO:6815 -4.49% 77 Buyback Yield % is 1.40 as of Aug. 04, 2026. GuruFocus rates ROCO:6815 with a GF Score™ of 77/100 and a GF Value™ of NT$48.15 (Possible Value Trap). The stock has 7 warning signs investors should review. Among 346 Medical Devices & Instruments companies, Diamond Biotechnology Co ranks better than 82.66% 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.

Diamond Biotechnology Co's current buyback yield was 1.40%.


Diamond Biotechnology Co Buyback Yield % Related Terms


Diamond Biotechnology Co Buyback Yield % Historical Data

* Premium members only.

The historical data trend for Diamond Biotechnology Co'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.

Diamond Biotechnology Co Buyback Yield % Chart

Diamond Biotechnology Co Annual Data
Trend Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Buyback Yield %
Get a 7-Day Free Trial Premium Member Only 0.00 0.00 0.00 -8.39 0.63

Diamond Biotechnology Co Semi-Annual Data
Dec17 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 0.00 -7.47 -8.39 0.84 0.63

ROCO:6815 vs ABT, SYK, MDT: Buyback Yield % Comparison

For the Medical Devices subindustry, Diamond Biotechnology Co'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.


Diamond Biotechnology Co Buyback Yield % vs Medical Devices & Instruments Industry

For the Medical Devices & Instruments industry and Healthcare sector, Diamond Biotechnology Co's Buyback Yield % distribution charts can be found below:

* The bar in red indicates where Diamond Biotechnology Co's Buyback Yield % falls into.


ROCO:6815
77GF Score
Diamond Biotechnology Co Ltd ROCO:6815
Buyback Yield % is just one metric. See GF Score™, valuation, warning signs, and more.
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Diamond Biotechnology Co Buyback Yield % Calculation

Buyback yield is a measure of shareholder return.

Diamond Biotechnology Co'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
=- (-15.475 + 0) / 2448.566
=0.63%

Diamond Biotechnology Co'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
=- (-15.475 + 0) / 2448.566
=0.63%

* 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 1.40 mean?
Diamond Biotechnology Co (ROCO:6815) has a Buyback Yield % of 1.40 as of Aug. 04, 2026. Share buyback yield equals the net issuance of stock divided by market cap. View historical data on Diamond Biotechnology Co and its competitors. According to the industry distribution chart, Diamond Biotechnology Co ranks #60 out of 346 companies in the Medical Devices & Instruments industry, placing it in the top 17.3%.
Is Diamond Biotechnology Co's Buyback Yield % too high?
Diamond Biotechnology Co's current Buyback Yield % is 1.40. Based on the distribution chart, Diamond Biotechnology Co ranks #60 out of 346 companies in the Medical Devices & Instruments industry, which is in the top quartile — a strong position relative to peers. Overall, Diamond Biotechnology Co has a GF Score™ of 77/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Diamond Biotechnology Co's Buyback Yield % compare to ABT and SYK?
According to the Medical Devices & Instruments industry distribution chart, Diamond Biotechnology Co ranks #60 out of 346 companies for Buyback Yield %. This places Diamond Biotechnology Co in the top 17% of its industry — outperforming the majority of peers. 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 Medical Devices & Instruments company?
A good Buyback Yield % depends on the Medical Devices & Instruments industry context. 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 Diamond Biotechnology Co and its competitors. Diamond Biotechnology Co's current Buyback Yield % is 1.40. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Diamond Biotechnology Co stock overvalued right now?
Based on GuruFocus' analysis, Diamond Biotechnology Co (ROCO:6815) is currently considered Possible Value Trap. The stock's GF Value™ is NT$48.15, compared to a current price of NT$25.50 — trading 47% below its estimated fair value. The current Buyback Yield % is 1.40. Diamond Biotechnology Co's overall GF Score™ is 77/100 with 7 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 Diamond Biotechnology Co (ROCO:6815), the current Buyback Yield % is 1.40 as of Aug. 04, 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 Diamond Biotechnology Co (ROCO:6815) Overvalued in 2026?

Based on GuruFocus' analysis, Diamond Biotechnology Co stock appears to be undervalued. The current stock price of NT$25.50 is trading 47% below its estimated GF Value™ of NT$48.15. GuruFocus considers Diamond Biotechnology Co to be Possible Value Trap.

Key valuation signals for ROCO:6815:

  • Buyback Yield %: 1.40
  • GF Value™: NT$48.15 vs. price of NT$25.50 (47% below fair value)
  • GF Score™: 77/100 with 7 warning signs

No single metric tells the full story. See the ROCO:6815 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Diamond Biotechnology Co Business Description

Address No. 45, Section 2, Fuxing South Road, Da'an District, 11th Floor, Taipei, TWN
Diamond Biotechnology Co Ltd is engaged in the research and development of medical equipment, and medical consumables. It also manufactures and sells medical beauty-level skincare products.
77GF Score

Get the complete analysis for ROCO:6815

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

NT$25.50
Price
NT$48.15
GF Value