Taiwan Advanced Nanotech (ROCO:6797) OCF Yield %: -5.09 (As of Jul. 14, 2026)

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ROCO:6797 Taiwan Advanced Nanotech Inc ROCO:6797
59 GF Score
Price NT$13.20
GF Value NT$13.40
Valuation Fairly Valued
! 4 Warning Signs
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What is Taiwan Advanced Nanotech OCF Yield %?

Taiwan Advanced Nanotech ROCO:6797 59 OCF Yield % is -5.09 as of Jul. 14, 2026. GuruFocus rates ROCO:6797 with a GF Score™ of 59/100 and a GF Value™ of NT$13.40 (Fairly Valued). The stock has 4 warning signs investors should review. Among 852 Medical Devices & Instruments companies, Taiwan Advanced Nanotech ranks worse than 70.77% 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, Taiwan Advanced Nanotech's Trailing 12-Month Cash Flow from Operations is NT$-21.0 Mil, and Market Cap is NT$396.8 Mil. Therefore, Taiwan Advanced Nanotech's OCF Yield % for today is -5.09%.

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

ROCO:6797' s OCF Yield % Range Over the Past 10 Years
Min: -56.85   Med: 11.66   Max: 40.95
Current: -5.09


During the past 9 years, the highest OCF Yield % of Taiwan Advanced Nanotech was 40.95%. The lowest was -56.85%. And the median was 11.66%.

ROCO:6797's OCF Yield % is ranked worse than
70.77% of 852 companies
in the Medical Devices & Instruments industry
Industry Median: 1.715 vs ROCO:6797: -5.09

Taiwan Advanced Nanotech's OCF Margin % for the quarter that ended in Dec. 2025 was %.


Taiwan Advanced Nanotech 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.


Taiwan Advanced Nanotech OCF Yield % Related Terms


Taiwan Advanced Nanotech OCF Yield % Historical Data

* Premium members only.

The historical data trend for Taiwan Advanced Nanotech'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.

Taiwan Advanced Nanotech OCF Yield % Chart

Taiwan Advanced Nanotech Annual Data
Trend Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
OCF Yield %
Get a 7-Day Free Trial Premium Member Only 24.68 22.92 -26.47 -3.06 -4.47

Taiwan Advanced Nanotech Semi-Annual Data
Dec17 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
OCF 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 -12.09 -5.05 1.34 -15.21 6.66

ROCO:6797 vs ABT, SYK, MDT: OCF Yield % Comparison

For the Medical Devices subindustry, Taiwan Advanced Nanotech'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.


Taiwan Advanced Nanotech OCF Yield % vs Medical Devices & Instruments Industry

For the Medical Devices & Instruments industry and Healthcare sector, Taiwan Advanced Nanotech's OCF Yield % distribution charts can be found below:

* The bar in red indicates where Taiwan Advanced Nanotech's OCF Yield % falls into.


ROCO:6797
59GF Score
Taiwan Advanced Nanotech Inc ROCO:6797
OCF Yield % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Taiwan Advanced Nanotech 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.

Taiwan Advanced Nanotech's OCF Yield % for the fiscal year that ended in Dec. 2025 is calculated as

OCF Yield %=Cash Flow from Operations / Market Cap
=-20.959 / 468.9984
=-4.47%

Taiwan Advanced Nanotech'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
=15.614 * 2 / 468.9984
=6.66%

* 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 -5.09 mean?
Taiwan Advanced Nanotech (ROCO:6797) has a OCF Yield % of -5.09 as of Jul. 14, 2026. OCF Yield is calculated as Cash Flow from Operations divided by Market Capitalization. View historical data on Taiwan Advanced Nanotech and its competitors. According to the industry distribution chart, Taiwan Advanced Nanotech ranks #603 out of 852 companies in the Medical Devices & Instruments industry, placing it in the top 70.8%.
Is Taiwan Advanced Nanotech's OCF Yield % too high?
Taiwan Advanced Nanotech's current OCF Yield % is -5.09. Based on the distribution chart, Taiwan Advanced Nanotech ranks #603 out of 852 companies in the Medical Devices & Instruments industry, which is below the industry midpoint. Overall, Taiwan Advanced Nanotech has a GF Score™ of 59/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Taiwan Advanced Nanotech's OCF Yield % compare to ABT and SYK?
According to the Medical Devices & Instruments industry distribution chart, Taiwan Advanced Nanotech ranks #603 out of 852 companies for OCF Yield %. This places Taiwan Advanced Nanotech in the lower half of its industry. The industry median OCF Yield % is 1.72. 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 Devices & Instruments company?
The median OCF Yield % among Medical Devices & Instruments companies is 1.72, based on 852 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 Taiwan Advanced Nanotech and its competitors. For the Medical Devices & Instruments industry, the median OCF Yield % is 1.72 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Taiwan Advanced Nanotech's current OCF Yield % is -5.09. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Taiwan Advanced Nanotech stock overvalued right now?
Based on GuruFocus' analysis, Taiwan Advanced Nanotech (ROCO:6797) is currently considered Fairly Valued. The stock's GF Value™ is NT$13.40, compared to a current price of NT$13.20 — trading 1.5% below its estimated fair value. The current OCF Yield % is -5.09. Taiwan Advanced Nanotech's overall GF Score™ is 59/100 with 4 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 Taiwan Advanced Nanotech (ROCO:6797), the current OCF Yield % is -5.09 as of Jul. 14, 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 Taiwan Advanced Nanotech (ROCO:6797) Overvalued in 2026?

Based on GuruFocus' analysis, Taiwan Advanced Nanotech stock appears to be undervalued. The current stock price of NT$13.20 is trading 1.5% below its estimated GF Value™ of NT$13.40. GuruFocus considers Taiwan Advanced Nanotech to be Fairly Valued.

Key valuation signals for ROCO:6797:

  • OCF Yield %: -5.09
  • GF Value™: NT$13.40 vs. price of NT$13.20 (1.5% below fair value)
  • GF Score™: 59/100 with 4 warning signs

No single metric tells the full story. See the ROCO:6797 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Taiwan Advanced Nanotech Business Description

Address No. 188, Wenhe Road, 6th Floor, Leshan Lane, Guishan District, Taoyuan City, TWN, 330
Taiwan Advanced Nanotech Inc is engaged in development and manufacturing of various functional nanoparticles and automated nucleic acid extraction machines and trading related businesses. With expertise in automation, buffer optimization and modification of magnetic beads, it focuses on offering customer convenient and practical solutions to advance research, life science and molecular diagnostics. It offers various products to meet the requirements of customers. The company's products include Automated Extraction Instruments; Reagent Kit; Mag Nanoparticles; and Consumables.
59GF Score

Get the complete analysis for ROCO:6797

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

NT$13.20
Price
NT$13.40
GF Value