GlobalWafers CoROCO:6488 -2.24%72 Net Margin % is 15.20% as of Dec. 2025, which is 26% below its 10-year median of 20.64. GuruFocus rates ROCO:6488 with a GF Score™ of 72/100 and a GF Value™ of NT$413.14 (Significantly Overvalued). The stock has 7 warning signs investors should review. Among 1,021 Semiconductors companies, GlobalWafers Co ranks better than 71.01% on this metric.
Net margin is calculated as Net Income divided by its Revenue. GlobalWafers Co's Net Income for the
three
months ended in Dec. 2025 was NT$2,205 Mil. GlobalWafers Co's Revenue for the
three
months ended in Dec. 2025 was NT$14,502 Mil. Therefore, GlobalWafers Co's net margin for the quarter that ended in Dec. 2025 was 15.20%.
The historical rank and industry rank for GlobalWafers Co's Net Margin % or its related term are showing as below:
ROCO:6488'
s Net Margin % Range Over the Past 10 Years
Min: 5.1 Med: 20.64 Max: 27.99
Current: 12.07
ROCO:6488's Net Margin % is ranked better than 71.01% of 1021
companies
in the Semiconductors industry
Industry Median: 4.17
vs ROCO:6488: 12.07
GlobalWafers Co (ROCO:6488) 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.
GlobalWafers Co Net Margin % Related Terms
GlobalWafers Co Net Margin % Historical Data
* Premium members only.
The historical data trend for GlobalWafers Co'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:6488 vs NVDA, AVGO, MU: Net Margin % Comparison
For the Semiconductors subindustry, GlobalWafers Co'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.
GlobalWafers Co Net Margin % vs Semiconductors Industry
For the Semiconductors industry and Technology sector, GlobalWafers Co's Net Margin % distribution charts can be found below:
* The bar in red indicates where GlobalWafers Co'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.
GlobalWafers Co (ROCO:6488) has a Net Margin % of 15.20% as of Dec. 2025. Net margin is the ratio of total net income to net sales. View historical data on GlobalWafers Co and its competitors. This is 26% below median its historical median of 20.64. Over the past decade, GlobalWafers Co's Net Margin % has ranged from 5.10 to 27.99. According to the industry distribution chart, GlobalWafers Co ranks #296 out of 1021 companies in the Semiconductors industry, placing it in the top 29%.
Is GlobalWafers Co's Net Margin % too high?
GlobalWafers Co's current Net Margin % of 15.20% is 26% below median its 10-year median of 20.64. Over the past 10 years, this metric has ranged from a low of 5.10 to a high of 27.99. The Semiconductors industry median Net Margin % is 4.17. GlobalWafers Co's value of 15.20% is 264.5% above this industry median. Based on the distribution chart, GlobalWafers Co ranks #296 out of 1021 companies in the Semiconductors industry, which is above the industry midpoint. Overall, GlobalWafers Co has a GF Score™ of 72/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does GlobalWafers Co's Net Margin % compare to NVDA and AVGO?
According to the Semiconductors industry distribution chart, GlobalWafers Co ranks #296 out of 1021 companies for Net Margin %. This puts GlobalWafers Co in the upper half of its industry. The industry median Net Margin % is 4.17. GlobalWafers Co's value of 15.20% is 264.5% above this benchmark. Historically, GlobalWafers Co's own Net Margin % has ranged from 5.10 to 27.99 over the past decade. While the company's 10-year median is 20.64 vs. the industry median of 4.17, GlobalWafers Co 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 4.17, based on 1,021 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. GlobalWafers Co's current Net Margin % of 15.20% is 264.5% 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 GlobalWafers Co and its competitors. For the Semiconductors industry, the median Net Margin % is 4.17 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. GlobalWafers Co's current Net Margin % is 15.20%, which is 26% below median its own 10-year median of 20.64. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is GlobalWafers Co stock overvalued right now?
Based on GuruFocus' analysis, GlobalWafers Co (ROCO:6488) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$413.14, compared to a current price of NT$915.00 — trading 121.5% above its estimated fair value. The current Net Margin % is 15.20%, which is 26% below median its 10-year median of 20.64 and 264.5% above the Semiconductors industry median of 4.17. GlobalWafers Co's overall GF Score™ is 72/100 with 7 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 GlobalWafers Co (ROCO:6488), the current Net Margin % is 15.20% 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 GlobalWafers Co (ROCO:6488) Overvalued in 2026?
Based on GuruFocus' analysis, GlobalWafers Co stock appears to be overvalued.
The current stock price of NT$915.00 is trading 121.5% above its estimated GF Value™ of NT$413.14.
GuruFocus considers GlobalWafers Co to be Significantly Overvalued.
Key valuation signals for ROCO:6488:
Net Margin %: 15.20% (26% below median its 10-year median of 20.64)
GF Value™: NT$413.14 vs. price of NT$915.00 (121.5% above fair value)
Industry Position: 264.5% above the Semiconductors median (#296 of 1021)
No single metric tells the full story. See the ROCO:6488 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
GlobalWafers is 46.64% owned by Sino-American Silicon Products after being spun off in 2011. The main source of the company's revenue is selling silicon wafers to chipmakers like TSMC and Texas Instruments. It also derives sales from gallium nitride products and green energy. GlobalWafers runs 18 production sites in nine countries across Asia, North America, and Europe. GlobalWafers is headquartered in Hsinchu, Taiwan, and employs over 7,084 people as of March 31, 2026. GlobalWafers had nearly 17% market share in silicon wafers in 2025.
72GF Score
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