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Joel Greenblatt defined Return on Capital differently in his book The Little Book That Still Beats the Market (Little Books. Big Profits). He defines ROC (Joel Greenblatt) % as EBIT divided by the total of Property, Plant and Equipment and net working capital. Goldtek Technology Co's annualized ROC (Joel Greenblatt) % for the quarter that ended in Dec. 2025 was -20.63%.
The historical rank and industry rank for Goldtek Technology Co's ROC (Joel Greenblatt) % or its related term are showing as below:
ROCO:6638'
s ROC (Joel Greenblatt) % Range Over the Past 10 Years
Min: -42.93 Med: 70.71 Max: 912.3
Current: -42.93
During the past 13 years, Goldtek Technology Co's highest ROC (Joel Greenblatt) % was 912.30%. The lowest was -42.93%. And the median was 70.71%.
ROCO:6638's ROC (Joel Greenblatt) % is ranked worse than 88.68% of 2492
companies
in the Hardware industry
Industry Median: 10.475
vs ROCO:6638: -42.93
Goldtek Technology Co's 5-Year average Growth Rate of ROC (Joel Greenblatt) % was 0.00% per year.
Goldtek Technology Co (ROCO:6638) ROC (Joel Greenblatt) % Explanation
The way Joel Greenblatt defines Return on Capital is a more accurate measure of how efficiently the company generates returns onthe capital actually invested in the business. EBIT is used instead of net income because the tax and interest payment may be affected by factors other than the core business operation. Intangible assets are not included in the calculation because they don't need to be replaced.
Goldtek Technology Co ROC (Joel Greenblatt) % Related Terms
Goldtek Technology Co ROC (Joel Greenblatt) % Historical Data
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The historical data trend for Goldtek Technology Co's ROC (Joel Greenblatt) % 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.
Goldtek Technology Co ROC (Joel Greenblatt) % Chart
ROCO:6638 vs CSCO, MSI, HPE: ROC (Joel Greenblatt) % Comparison
For the Communication Equipment subindustry, Goldtek Technology Co's ROC (Joel Greenblatt) %, along with its competitors' market caps and ROC (Joel Greenblatt) % 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.
Goldtek Technology Co ROC (Joel Greenblatt) % vs Hardware Industry
For the Hardware industry and Technology sector, Goldtek Technology Co's ROC (Joel Greenblatt) % distribution charts can be found below:
* The bar in red indicates where Goldtek Technology Co's ROC (Joel Greenblatt) % falls into.
Goldtek Technology Co ROC (Joel Greenblatt) % Calculation
Joel Greenblatt defined Return on Capital differently in his book The Little Book That Still Beats the Market (Little Books. Big Profits) . He defines Return on Capital as follows:
EBIT stands for Earnings Before Interest and Taxes.
Fixed Assets are also known as non-current assets. They include the Property, Plant and Equipment that the firm needs in its operation.
GuruFocus calculates net working capital as: (Accounts Receivable + Total Inventories + Other Current Assets) - (Accounts Payable & Accrued Expense + Deferred Revenue + Other Current Liabilities). We're trying to account for OPERATING assets and liabilities (part of daily business) when calculating working capital. Cash and marketable securities are considered NON-OPERATING assets and are not included in calculation. We will also back out all interest bearing debt, short term debt and the portion of long term debt that is due in the current period from the current liabilities. This debt will be considered when computing cost of capital and it would be inappropriate to count it twice.
Note:
The EBIT data used here is two times the semi-annual (Dec. 2025) EBIT data.
* 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.
What does a ROC (Joel Greenblatt) % of -20.63% mean?
Goldtek Technology Co (ROCO:6638) has a ROC (Joel Greenblatt) % of -20.63% as of Dec. 2025. Joel Greenblatt's return on capital is the ratio of EBIT to average fixed assets and net working capital. View historical data on Goldtek Technology Co and its competitors. According to the industry distribution chart, Goldtek Technology Co ranks #2210 out of 2492 companies in the Hardware industry, placing it in the top 88.7%.
Is Goldtek Technology Co's ROC (Joel Greenblatt) % too high?
Goldtek Technology Co's current ROC (Joel Greenblatt) % is -20.63%. Based on the distribution chart, Goldtek Technology Co ranks #2210 out of 2492 companies in the Hardware industry, which is in the bottom quartile relative to peers. Overall, Goldtek Technology Co has a GF Score™ of 58/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Goldtek Technology Co's ROC (Joel Greenblatt) % compare to CSCO and MSI?
According to the Hardware industry distribution chart, Goldtek Technology Co ranks #2210 out of 2492 companies for ROC (Joel Greenblatt) %. This places Goldtek Technology Co in the lower half of its industry. The industry median ROC (Joel Greenblatt) % is 10.48. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good ROC (Joel Greenblatt) % for a Hardware company?
The median ROC (Joel Greenblatt) % among Hardware companies is 10.48, based on 2,492 companies in the industry. Companies in the top quartile (top 25%) have a ROC (Joel Greenblatt) % significantly above this median, while those in the bottom quartile fall well below. However, ROC (Joel Greenblatt) % 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 ROC (Joel Greenblatt) % mean?
A high ROC (Joel Greenblatt) % can signal that a stock is expensive relative to its fundamentals. Joel Greenblatt's return on capital is the ratio of EBIT to average fixed assets and net working capital. View historical data on Goldtek Technology Co and its competitors. For the Hardware industry, the median ROC (Joel Greenblatt) % is 10.48 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Goldtek Technology Co's current ROC (Joel Greenblatt) % is -20.63%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Goldtek Technology Co stock overvalued right now?
Based on GuruFocus' analysis, Goldtek Technology Co (ROCO:6638) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$34.26, compared to a current price of NT$45.95 — trading 34.1% above its estimated fair value. The current ROC (Joel Greenblatt) % is -20.63%. Goldtek Technology Co's overall GF Score™ is 58/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is ROC (Joel Greenblatt) % calculated?
ROC (Joel Greenblatt) % is calculated from a company's financial statements. For Goldtek Technology Co (ROCO:6638), the current ROC (Joel Greenblatt) % is -20.63% as of Dec. 2025. 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 Goldtek Technology Co (ROCO:6638) Overvalued in 2026?
Based on GuruFocus' analysis, Goldtek Technology Co stock appears to be overvalued.
The current stock price of NT$45.95 is trading 34.1% above its estimated GF Value™ of NT$34.26.
GuruFocus considers Goldtek Technology Co to be Significantly Overvalued.
Key valuation signals for ROCO:6638:
ROC (Joel Greenblatt) %: -20.63%
GF Value™: NT$34.26 vs. price of NT$45.95 (34.1% above fair value)
No single metric tells the full story. See the ROCO:6638 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Goldtek Technology Co Ltd is engaged in customization and contract manufacturing for information and communication technology devices for various industries. Its services include software development, PCBA board level design, and turn-key solution which includes ID/ME design, hardware/software development, quality testing, manufacturing and EMC/Safety certification tests.
58GF Score
Get the complete analysis for ROCO:6638
ROC (Joel Greenblatt) % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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