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Keystone MicrotechROCO:6683 -8.16%79 Net Margin % is 25.03% as of Dec. 2025, which is 1% below its 10-year median of 25.22. GuruFocus rates ROCO:6683 with a GF Score™ of 79/100 and a GF Value™ of NT$486.03 (Significantly Overvalued). The stock has 2 warning signs investors should review. Among 1,023 Semiconductors companies, Keystone Microtech ranks better than 84.95% on this metric.
The historical rank and industry rank for Keystone Microtech's Net Margin % or its related term are showing as below:
ROCO:6683'
s Net Margin % Range Over the Past 10 Years
Min: 18.39 Med: 25.22 Max: 28.33
Current: 19.62
ROCO:6683's Net Margin % is ranked better than 84.95% of 1023
companies
in the Semiconductors industry
Industry Median: 4.25
vs ROCO:6683: 19.62
Keystone Microtech (ROCO:6683) Net Margin % Explanation
Although Net Income and Earnings-per-Share (EPS) are the most widely used parameter in measuring a company's profitability and valuation, it is the least reliable. The reason is that reported earnings can be manipulated easily by adjusting any numbers such as Depreciation, Depletion and Amotorization and non-recurring items.
But the long term trend of the net margin is a good indicator of the competitiveness and health of the business.
Keystone Microtech Net Margin % Related Terms
Keystone Microtech Net Margin % Historical Data
* Premium members only.
The historical data trend for Keystone Microtech's Net Margin % 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.
ROCO:6683 vs AMAT, LRCX, KLAC: Net Margin % Comparison
For the Semiconductor Equipment & Materials subindustry, Keystone Microtech's Net Margin %, along with its competitors' market caps and Net Margin % 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.
Keystone Microtech Net Margin % vs Semiconductors Industry
For the Semiconductors industry and Technology sector, Keystone Microtech's Net Margin % distribution charts can be found below:
* The bar in red indicates where Keystone Microtech's Net Margin % falls into.
* 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.
Keystone Microtech (ROCO:6683) has a Net Margin % of 25.03% as of Dec. 2025. Net margin is the ratio of total net income to net sales. View historical data on Keystone Microtech and its competitors. This is near median its historical median of 25.22. Over the past decade, Keystone Microtech's Net Margin % has ranged from 18.39 to 28.33. According to the industry distribution chart, Keystone Microtech ranks #154 out of 1023 companies in the Semiconductors industry, placing it in the top 15.1%.
Is Keystone Microtech's Net Margin % too high?
Keystone Microtech's current Net Margin % of 25.03% is near median its 10-year median of 25.22. Over the past 10 years, this metric has ranged from a low of 18.39 to a high of 28.33. The Semiconductors industry median Net Margin % is 4.25. Keystone Microtech's value of 25.03% is 488.9% above this industry median. Based on the distribution chart, Keystone Microtech ranks #154 out of 1023 companies in the Semiconductors industry, which is in the top quartile — a strong position relative to peers. Overall, Keystone Microtech has a GF Score™ of 79/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Keystone Microtech's Net Margin % compare to AMAT and LRCX?
According to the Semiconductors industry distribution chart, Keystone Microtech ranks #154 out of 1023 companies for Net Margin %. This places Keystone Microtech in the top 15% of its industry — outperforming the majority of peers. The industry median Net Margin % is 4.25. Keystone Microtech's value of 25.03% is 488.9% above this benchmark. Historically, Keystone Microtech's own Net Margin % has ranged from 18.39 to 28.33 over the past decade. While the company's 10-year median is 25.22 vs. the industry median of 4.25, Keystone Microtech has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Net Margin % for a Semiconductors company?
The median Net Margin % among Semiconductors companies is 4.25, based on 1,023 companies in the industry. Companies in the top quartile (top 25%) have a Net Margin % significantly above this median, while those in the bottom quartile fall well below. However, Net Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Keystone Microtech's current Net Margin % of 25.03% is 488.9% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Net Margin % mean?
A high Net Margin % can signal that a stock is expensive relative to its fundamentals. Net margin is the ratio of total net income to net sales. View historical data on Keystone Microtech and its competitors. For the Semiconductors industry, the median Net Margin % is 4.25 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Keystone Microtech's current Net Margin % is 25.03%, which is near median its own 10-year median of 25.22. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Keystone Microtech stock overvalued right now?
Based on GuruFocus' analysis, Keystone Microtech (ROCO:6683) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$486.03, compared to a current price of NT$1,350.00 — trading 177.8% above its estimated fair value. The current Net Margin % is 25.03%, which is near median its 10-year median of 25.22 and 488.9% above the Semiconductors industry median of 4.25. Keystone Microtech's overall GF Score™ is 79/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Net Margin % calculated?
Net Margin % is calculated from a company's financial statements. For Keystone Microtech (ROCO:6683), the current Net Margin % is 25.03% 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 Keystone Microtech (ROCO:6683) Overvalued in 2026?
Based on GuruFocus' analysis, Keystone Microtech stock appears to be overvalued.
The current stock price of NT$1,350.00 is trading 177.8% above its estimated GF Value™ of NT$486.03.
GuruFocus considers Keystone Microtech to be Significantly Overvalued.
Key valuation signals for ROCO:6683:
Net Margin %: 25.03% (near median its 10-year median of 25.22)
GF Value™: NT$486.03 vs. price of NT$1,350.00 (177.8% above fair value)
Industry Position: 488.9% above the Semiconductors median (#154 of 1023)
No single metric tells the full story. See the ROCO:6683 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Keystone Microtech Corp operates as a semiconductor device manufacturing company. The company is mainly an important operating department engaged in the manufacture and sale of various circuit testing solutions for semiconductors, including IC front-end test solutions (probe cards and substrates), IC back-end test solutions (load boards and burn-in boards), and other related testing boards. Geographically, it operates in Taiwan and other regions, out of which the majority of its revenue is derived from Taiwan.
79GF Score
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