GlobalWafers CoROCO:6488 +6.37%66 Gross Margin % is 25.70% as of Dec. 2025, which is 31% below its 10-year median of 37.29. GuruFocus rates ROCO:6488 with a GF Score™ of 66/100 and a GF Value™ of NT$415.09 (Significantly Overvalued). The stock has 10 warning signs investors should review. Among 1,008 Semiconductors companies, GlobalWafers Co ranks worse than 61.61% on this metric.
GlobalWafers Co Ltd gross margin has been in long-term decline. The average rate of decline per year is -7.8%.
The historical rank and industry rank for GlobalWafers Co's Gross Margin % or its related term are showing as below:
ROCO:6488'
s Gross Margin % Range Over the Past 10 Years
Min: 22.41 Med: 37.29 Max: 43.17
Current: 24.13
During the past 13 years, the highestGross Margin % of GlobalWafers Co was 43.17%. The lowest was 22.41%. And the median was 37.29%.
ROCO:6488's Gross Margin % is ranked worse than 61.61% of 1008
companies
in the Semiconductors industry
Industry Median: 29.61
vs ROCO:6488: 24.13
GlobalWafers Co had a gross margin of 25.70% for the quarter that ended in Dec. 2025 => Competition eroding margins
The 5-Year average Growth Rate of Gross Margin for GlobalWafers Co was -7.80% per year.
GlobalWafers Co (ROCO:6488) Gross Margin % Explanation
Warren Buffett believes that firms with excellent long term economics tend to have consistently higher margins.
Durable competitive advantage creates a high Gross Margin % because of the freedom to price in excess of cost. Companies can be categorized by their Gross Margin %
1. Greater than 40% = Durable competitive advantage
2. Less than 40% = Competition eroding margins
3. Less than 20% = no sustainable competitive advantage
Consistency of Gross Margin is key
GlobalWafers Co had a gross margin of 25.70% for the quarter that ended in Dec. 2025 => Competition eroding margins
Be Aware
If a company loses its competitive advantages, usually its gross margin declines well before its sales declines. Watching Gross Margin % and Operating Margin % closely helps avoid value trap situations.
GlobalWafers Co Gross Margin % Related Terms
GlobalWafers Co Gross Margin % Historical Data
* Premium members only.
The historical data trend for GlobalWafers Co's Gross 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: Gross Margin % Comparison
For the Semiconductors subindustry, GlobalWafers Co's Gross Margin %, along with its competitors' market caps and Gross 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 Gross Margin % vs Semiconductors Industry
For the Semiconductors industry and Technology sector, GlobalWafers Co's Gross Margin % distribution charts can be found below:
* The bar in red indicates where GlobalWafers Co's Gross 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.
A positive Gross Profit is only the first step for a company to make a net profit. The gross profit needs to be big enough to also cover related labor, equipment, rental, marketing/advertising, research and development and a lot of other costs in selling the products.
GlobalWafers Co (ROCO:6488) has a Gross Margin % of 25.70% as of Dec. 2025. Gross margin is the ratio of total gross profit to net sales. View historical data on GlobalWafers Co and its competitors. This is 31% below median its historical median of 37.29. Over the past decade, GlobalWafers Co's Gross Margin % has ranged from 22.41 to 43.17. According to the industry distribution chart, GlobalWafers Co ranks #621 out of 1008 companies in the Semiconductors industry, placing it in the top 61.6%.
Is GlobalWafers Co's Gross Margin % too high?
GlobalWafers Co's current Gross Margin % of 25.70% is 31% below median its 10-year median of 37.29. Over the past 10 years, this metric has ranged from a low of 22.41 to a high of 43.17. The Semiconductors industry median Gross Margin % is 29.61. GlobalWafers Co's value of 25.70% is 13.2% below this industry median. Based on the distribution chart, GlobalWafers Co ranks #621 out of 1008 companies in the Semiconductors industry, which is below the industry midpoint. Overall, GlobalWafers Co has a GF Score™ of 66/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does GlobalWafers Co's Gross Margin % compare to NVDA and AVGO?
According to the Semiconductors industry distribution chart, GlobalWafers Co ranks #621 out of 1008 companies for Gross Margin %. This places GlobalWafers Co in the lower half of its industry. The industry median Gross Margin % is 29.61. GlobalWafers Co's value of 25.70% is 13.2% below this benchmark. Historically, GlobalWafers Co's own Gross Margin % has ranged from 22.41 to 43.17 over the past decade. While the company's 10-year median is 37.29 vs. the industry median of 29.61, GlobalWafers Co has consistently been below 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 Gross Margin % for a Semiconductors company?
The median Gross Margin % among Semiconductors companies is 29.61, based on 1,008 companies in the industry. Companies in the top quartile (top 25%) have a Gross Margin % significantly above this median, while those in the bottom quartile fall well below. However, Gross Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. GlobalWafers Co's current Gross Margin % of 25.70% is 13.2% below 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 Gross Margin % mean?
A high Gross Margin % can signal that a stock is expensive relative to its fundamentals. Gross margin is the ratio of total gross profit to net sales. View historical data on GlobalWafers Co and its competitors. For the Semiconductors industry, the median Gross Margin % is 29.61 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. GlobalWafers Co's current Gross Margin % is 25.70%, which is 31% below median its own 10-year median of 37.29. 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$415.09, compared to a current price of NT$1,335.00 — trading 221.6% above its estimated fair value. The current Gross Margin % is 25.70%, which is 31% below median its 10-year median of 37.29 and 13.2% below the Semiconductors industry median of 29.61. GlobalWafers Co's overall GF Score™ is 66/100 with 10 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Gross Margin % calculated?
Gross Margin % is calculated from a company's financial statements. For GlobalWafers Co (ROCO:6488), the current Gross Margin % is 25.70% 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$1,335.00 is trading 221.6% above its estimated GF Value™ of NT$415.09.
GuruFocus considers GlobalWafers Co to be Significantly Overvalued.
Key valuation signals for ROCO:6488:
Gross Margin %: 25.70% (31% below median its 10-year median of 37.29)
GF Value™: NT$415.09 vs. price of NT$1,335.00 (221.6% above fair value)
Industry Position: 13.2% below the Semiconductors median (#621 of 1008)
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.
66GF Score
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