TFBS Bioscience (ROCO:6939) OCF Yield %: -1.34 (As of Jul. 11, 2026)


ROCO:6939 TFBS Bioscience Inc ROCO:6939
49 GF Score
Price NT$20.70
GF Value NT$32.15
Valuation Possible Value Trap
! 6 Warning Signs
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What is TFBS Bioscience OCF Yield %?

TFBS Bioscience ROCO:6939 49 OCF Yield % is -1.34 as of Jul. 11, 2026. GuruFocus rates ROCO:6939 with a GF Score™ of 49/100 and a GF Value™ of NT$32.15 (Possible Value Trap). The stock has 6 warning signs investors should review. Among 214 Medical Diagnostics & Research companies, TFBS Bioscience ranks worse than 60.28% on this metric.

OCF Yield % is calculated as Cash Flow from Operations divided by Market Capitalization. It is a financial solvency ratio that compares the operating cash flow a company is expected to earn against its market value.

As of today, TFBS Bioscience's Trailing 12-Month Cash Flow from Operations is NT$-9.7 Mil, and Market Cap is NT$724.9 Mil. Therefore, TFBS Bioscience's OCF Yield % for today is -1.34%.

The historical rank and industry rank for TFBS Bioscience's OCF Yield % or its related term are showing as below:

ROCO:6939' s OCF Yield % Range Over the Past 10 Years
Min: -1.47   Med: 2.86   Max: 5.38
Current: -1.34


During the past 6 years, the highest OCF Yield % of TFBS Bioscience was 5.38%. The lowest was -1.47%. And the median was 2.86%.

ROCO:6939's OCF Yield % is ranked worse than
60.28% of 214 companies
in the Medical Diagnostics & Research industry
Industry Median: 1.01 vs ROCO:6939: -1.34

TFBS Bioscience's OCF Margin % for the quarter that ended in Dec. 2025 was %.


TFBS Bioscience OCF Yield % Explanation

Similar to Earnings Yield %, OCF Yield % is financial solvency ratio. A lower ratio suggests a less attractive investment, indicating that investors might not receive substantial returns in proportion to their investment. Conversely, a high operating cash flow yield signals that a company generates sufficient cash to comfortably meet its debts, obligations, and dividend payments, making it a promising investment choice.


TFBS Bioscience OCF Yield % Related Terms


TFBS Bioscience OCF Yield % Historical Data

* Premium members only.

The historical data trend for TFBS Bioscience's OCF 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.

TFBS Bioscience OCF Yield % Chart

TFBS Bioscience Annual Data
Trend Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
OCF Yield %
Get a 7-Day Free Trial 0.00 0.00 2.30 2.91 -1.33

TFBS Bioscience Semi-Annual Data
Dec20 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
OCF Yield % Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.97 2.43 2.29 -4.03 1.69

ROCO:6939 vs TMO, DHR, IDXX: OCF Yield % Comparison

For the Diagnostics & Research subindustry, TFBS Bioscience's OCF Yield %, along with its competitors' market caps and OCF 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.


TFBS Bioscience OCF Yield % vs Medical Diagnostics & Research Industry

For the Medical Diagnostics & Research industry and Healthcare sector, TFBS Bioscience's OCF Yield % distribution charts can be found below:

* The bar in red indicates where TFBS Bioscience's OCF Yield % falls into.


ROCO:6939
49GF Score
TFBS Bioscience Inc ROCO:6939
OCF Yield % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

TFBS Bioscience OCF Yield % Calculation

OCF Yield % is a financial solvency ratio that compares the operating cash flow a company is expected to earn against its market value.

TFBS Bioscience's OCF Yield % for the fiscal year that ended in Dec. 2025 is calculated as

OCF Yield %=Cash Flow from Operations / Market Cap
=-9.741 / 731.8971
=-1.33%

TFBS Bioscience's annualized OCF Yield % for the quarter that ended in Dec. 2025 is calculated as

OCF Yield %=Cash Flow from Operations * Annualized Factor / Market Cap
=6.187 * 2 / 731.8971
=1.69%

* 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 OCF Yield % →
What does a OCF Yield % of -1.34 mean?
TFBS Bioscience (ROCO:6939) has a OCF Yield % of -1.34 as of Jul. 11, 2026. OCF Yield is calculated as Cash Flow from Operations divided by Market Capitalization. View historical data on TFBS Bioscience and its competitors. According to the industry distribution chart, TFBS Bioscience ranks #129 out of 214 companies in the Medical Diagnostics & Research industry, placing it in the top 60.3%.
Is TFBS Bioscience's OCF Yield % too high?
TFBS Bioscience's current OCF Yield % is -1.34. Based on the distribution chart, TFBS Bioscience ranks #129 out of 214 companies in the Medical Diagnostics & Research industry, which is below the industry midpoint. Overall, TFBS Bioscience has a GF Score™ of 49/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does TFBS Bioscience's OCF Yield % compare to TMO and DHR?
According to the Medical Diagnostics & Research industry distribution chart, TFBS Bioscience ranks #129 out of 214 companies for OCF Yield %. This places TFBS Bioscience in the lower half of its industry. The industry median OCF Yield % is 1.01. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good OCF Yield % for a Medical Diagnostics & Research company?
The median OCF Yield % among Medical Diagnostics & Research companies is 1.01, based on 214 companies in the industry. Companies in the top quartile (top 25%) have a OCF Yield % significantly above this median, while those in the bottom quartile fall well below. However, OCF 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 OCF Yield % mean?
A high OCF Yield % can signal that a stock is expensive relative to its fundamentals. OCF Yield is calculated as Cash Flow from Operations divided by Market Capitalization. View historical data on TFBS Bioscience and its competitors. For the Medical Diagnostics & Research industry, the median OCF Yield % is 1.01 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. TFBS Bioscience's current OCF Yield % is -1.34. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is TFBS Bioscience stock overvalued right now?
Based on GuruFocus' analysis, TFBS Bioscience (ROCO:6939) is currently considered Possible Value Trap. The stock's GF Value™ is NT$32.15, compared to a current price of NT$20.70 — trading 35.6% below its estimated fair value. The current OCF Yield % is -1.34. TFBS Bioscience's overall GF Score™ is 49/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is OCF Yield % calculated?
OCF Yield % is calculated from a company's financial statements. For TFBS Bioscience (ROCO:6939), the current OCF Yield % is -1.34 as of Jul. 11, 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 TFBS Bioscience (ROCO:6939) Overvalued in 2026?

Based on GuruFocus' analysis, TFBS Bioscience stock appears to be undervalued. The current stock price of NT$20.70 is trading 35.6% below its estimated GF Value™ of NT$32.15. GuruFocus considers TFBS Bioscience to be Possible Value Trap.

Key valuation signals for ROCO:6939:

  • OCF Yield %: -1.34
  • GF Value™: NT$32.15 vs. price of NT$20.70 (35.6% below fair value)
  • GF Score™: 49/100 with 6 warning signs

No single metric tells the full story. See the ROCO:6939 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


TFBS Bioscience Business Description

Address No. 103, Lane 169, Kang-ning Street, 3rd Floor, Xizhi District, New Taipei, TWN
TFBS Bioscience Inc is a Contract Research Organization (CRO) providing biological testing in Taiwan. Its services include viral vector manufacturing for cell and gene therapy products and biosafety testing and product release testing for cell and gene therapy products, vaccines, and biologic products.
49GF Score

Get the complete analysis for ROCO:6939

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

NT$20.70
Price
NT$32.15
GF Value