Diamond Biotechnology Co (ROCO:6815) EV-to-FCF: -371.85 (As of Jul. 18, 2026)

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Director of Data and Quant Analytics at GuruFocus
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ROCO:6815 Diamond Biotechnology Co Ltd ROCO:6815
80 GF Score
Price NT$29.70
GF Value NT$48.10
Valuation Possible Value Trap
! 7 Warning Signs
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What is Diamond Biotechnology Co EV-to-FCF?

Diamond Biotechnology Co ROCO:6815 +3.85% 80 EV-to-FCF is -371.85 as of Jul. 18, 2026. GuruFocus rates ROCO:6815 with a GF Score™ of 80/100 and a GF Value™ of NT$48.10 (Possible Value Trap). The stock has 7 warning signs investors should review. Among 414 Medical Devices & Instruments companies, Diamond Biotechnology Co ranks worse than 241545.65% on this metric.

EV-to-FCF is calculated as enterprise value divided by its free cash flow. As of today, Diamond Biotechnology Co's Enterprise Value is NT$1,197.0 Mil. Diamond Biotechnology Co's Free Cash Flow for the trailing twelve months (TTM) ended in Dec. 2025 was NT$-3.2 Mil. Therefore, Diamond Biotechnology Co's EV-to-FCF for today is -371.85.

The historical rank and industry rank for Diamond Biotechnology Co's EV-to-FCF or its related term are showing as below:

ROCO:6815' s EV-to-FCF Range Over the Past 10 Years
Min: -854.05   Med: 16.33   Max: 298.65
Current: -330.75

During the past 9 years, the highest EV-to-FCF of Diamond Biotechnology Co was 298.65. The lowest was -854.05. And the median was 16.33.

ROCO:6815's EV-to-FCF is ranked worse than
100% of 414 companies
in the Medical Devices & Instruments industry
Industry Median: 23.635 vs ROCO:6815: -330.75

EV-to-FCF is a valuation multiple that allows analysts and investors to compare stocks, preferably in the same sector or industry. This important multiple is often used in conjunction with, or as an alternative to, the PE Ratio (TTM) to determine the fair market value of a company.

As of today (2026-07-18), Diamond Biotechnology Co's stock price is NT$29.70. Diamond Biotechnology Co's Earnings per Share (Diluted) for the trailing twelve months (TTM) ended in Dec. 2025 was NT$-1.780. Therefore, Diamond Biotechnology Co's PE Ratio (TTM) for today is At Loss.


Diamond Biotechnology Co  (ROCO:6815) EV-to-FCF Explanation

EV-to-FCF is a valuation multiple that allows analysts and investors to compare stocks, preferably in the same sector or industry. This important multiple is often used in conjunction with, or as an alternative to, the PE Ratio (TTM) to determine the fair market value of a company.

Diamond Biotechnology Co's PE Ratio (TTM) for today is calculated as:

PE Ratio (TTM)=Share Price (Today)/Earnings per Share (Diluted) (TTM)
=29.70/-1.780
=At Loss

Diamond Biotechnology Co's share price for today is NT$29.70.
For company reported semi-annually, GuruFocus uses latest annual data as the TTM data. Diamond Biotechnology Co's Earnings per Share (Diluted) for the trailing twelve months (TTM) ended in Dec. 2025 was NT$-1.780.

* 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.

Enterprise Value is used because it is a more complete measure in reflecting how much an investor pays when buying a company. Free Cash Flow is an important financial metric because it represents the actual amount of cash at a company's disposal. Companies with a low EV-to-FCF ratio, combined with a strong balance sheet are generally considered as undervalued.


Diamond Biotechnology Co EV-to-FCF Related Terms


Diamond Biotechnology Co EV-to-FCF Historical Data

* Premium members only.

The historical data trend for Diamond Biotechnology Co's EV-to-FCF 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 EV-to-FCF Chart

Diamond Biotechnology Co Annual Data
Trend Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
EV-to-FCF
Get a 7-Day Free Trial Premium Member Only -57.36 11.60 -17.27 288.02 -768.13

Diamond Biotechnology Co Semi-Annual Data
Dec17 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
EV-to-FCF 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 -17.27 0.00 288.02 0.00 -768.13

ROCO:6815 vs ABT, SYK, MDT: EV-to-FCF Comparison

For the Medical Devices subindustry, Diamond Biotechnology Co's EV-to-FCF, along with its competitors' market caps and EV-to-FCF 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 EV-to-FCF vs Medical Devices & Instruments Industry

For the Medical Devices & Instruments industry and Healthcare sector, Diamond Biotechnology Co's EV-to-FCF distribution charts can be found below:

* The bar in red indicates where Diamond Biotechnology Co's EV-to-FCF falls into.


ROCO:6815
80GF Score
Diamond Biotechnology Co Ltd ROCO:6815
EV-to-FCF is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Diamond Biotechnology Co EV-to-FCF Calculation

Diamond Biotechnology Co's EV-to-FCF for today is calculated as:

EV-to-FCF=Enterprise Value (Today)/Free Cash Flow (TTM)
=1196.979/-3.219
=-371.85

Diamond Biotechnology Co's current Enterprise Value is NT$1,197.0 Mil.
For company reported semi-annually, GuruFocus uses latest annual data as the TTM data. Diamond Biotechnology Co's Free Cash Flow for the trailing twelve months (TTM) ended in Dec. 2025 was NT$-3.2 Mil.

* 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 EV-to-FCF →
What does a EV-to-FCF of -371.85 mean?
Diamond Biotechnology Co (ROCO:6815) has a EV-to-FCF of -371.85 as of Jul. 18, 2026. EV to FCF ratio is the company's enterprise value divided by free cash flow. View historical data on Diamond Biotechnology Co and its competitors. According to the industry distribution chart, Diamond Biotechnology Co ranks #999999 out of 414 companies in the Medical Devices & Instruments industry.
Is Diamond Biotechnology Co's EV-to-FCF too high?
Diamond Biotechnology Co's current EV-to-FCF is -371.85. Based on the distribution chart, Diamond Biotechnology Co ranks #999999 out of 414 companies in the Medical Devices & Instruments industry, which is in the bottom quartile relative to peers. Overall, Diamond Biotechnology Co has a GF Score™ of 80/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Diamond Biotechnology Co's EV-to-FCF compare to ABT and SYK?
According to the Medical Devices & Instruments industry distribution chart, Diamond Biotechnology Co ranks #999999 out of 414 companies for EV-to-FCF. This places Diamond Biotechnology Co in the lower half of its industry. The industry median EV-to-FCF is 23.64. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good EV-to-FCF for a Medical Devices & Instruments company?
The median EV-to-FCF among Medical Devices & Instruments companies is 23.64, based on 414 companies in the industry. Companies in the top quartile (top 25%) have a EV-to-FCF significantly above this median, while those in the bottom quartile fall well below. However, EV-to-FCF 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 EV-to-FCF mean?
A high EV-to-FCF can signal that a stock is expensive relative to its fundamentals. EV to FCF ratio is the company's enterprise value divided by free cash flow. View historical data on Diamond Biotechnology Co and its competitors. For the Medical Devices & Instruments industry, the median EV-to-FCF is 23.64 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Diamond Biotechnology Co's current EV-to-FCF is -371.85. 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$48.10, compared to a current price of NT$29.70 — trading 38.3% below its estimated fair value. The current EV-to-FCF is -371.85. Diamond Biotechnology Co's overall GF Score™ is 80/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is EV-to-FCF calculated?
EV-to-FCF is calculated from a company's financial statements. For Diamond Biotechnology Co (ROCO:6815), the current EV-to-FCF is -371.85 as of Jul. 18, 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$29.70 is trading 38.3% below its estimated GF Value™ of NT$48.10. GuruFocus considers Diamond Biotechnology Co to be Possible Value Trap.

Key valuation signals for ROCO:6815:

  • EV-to-FCF: -371.85
  • GF Value™: NT$48.10 vs. price of NT$29.70 (38.3% below fair value)
  • GF Score™: 80/100 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.
80GF Score

Get the complete analysis for ROCO:6815

EV-to-FCF is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

NT$29.70
Price
NT$48.10
GF Value