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Zen VoceROCO:3581 -6.48%56 Gross Margin % is 31.93% as of Dec. 2025, which is 14% below its 10-year median of 37.34. GuruFocus rates ROCO:3581 with a GF Score™ of 56/100 and a GF Value™ of NT$38.01 (Significantly Overvalued). The stock has 2 warning signs investors should review. Among 1,011 Semiconductors companies, Zen Voce ranks better than 55.49% on this metric.
Gross Margin % is calculated as gross profit divided by its revenue. Zen Voce's Gross Profit for the
three
months ended in Dec. 2025 was NT$160 Mil. Zen Voce's Revenue for the
three
months ended in Dec. 2025 was NT$500 Mil. Therefore, Zen Voce's Gross Margin % for the quarter that ended in Dec. 2025 was 31.93%.
Warning Sign:
Zen Voce Corp gross margin has been in long-term decline. The average rate of decline per year is -4.7%.
The historical rank and industry rank for Zen Voce's Gross Margin % or its related term are showing as below:
ROCO:3581'
s Gross Margin % Range Over the Past 10 Years
Min: 29.75 Med: 37.34 Max: 40.04
Current: 33.1
During the past 13 years, the highestGross Margin % of Zen Voce was 40.04%. The lowest was 29.75%. And the median was 37.34%.
ROCO:3581's Gross Margin % is ranked better than 55.49% of 1011
companies
in the Semiconductors industry
Industry Median: 29.61
vs ROCO:3581: 33.10
Zen Voce had a gross margin of 31.93% for the quarter that ended in Dec. 2025 => Competition eroding margins
The 5-Year average Growth Rate of Gross Margin for Zen Voce was -4.70% per year.
Zen Voce (ROCO:3581) 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
Zen Voce had a gross margin of 31.93% 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.
Zen Voce Gross Margin % Related Terms
Zen Voce Gross Margin % Historical Data
* Premium members only.
The historical data trend for Zen Voce'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:3581 vs NVDA, AVGO, MU: Gross Margin % Comparison
For the Semiconductors subindustry, Zen Voce'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.
Zen Voce Gross Margin % vs Semiconductors Industry
For the Semiconductors industry and Technology sector, Zen Voce's Gross Margin % distribution charts can be found below:
* The bar in red indicates where Zen Voce'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.
Zen Voce (ROCO:3581) has a Gross Margin % of 31.93% as of Dec. 2025. Gross margin is the ratio of total gross profit to net sales. View historical data on Zen Voce and its competitors. This is 14% below median its historical median of 37.34. Over the past decade, Zen Voce's Gross Margin % has ranged from 29.75 to 40.04. According to the industry distribution chart, Zen Voce ranks #450 out of 1011 companies in the Semiconductors industry, placing it in the top 44.5%.
Is Zen Voce's Gross Margin % too high?
Zen Voce's current Gross Margin % of 31.93% is 14% below median its 10-year median of 37.34. Over the past 10 years, this metric has ranged from a low of 29.75 to a high of 40.04. The Semiconductors industry median Gross Margin % is 29.61. Zen Voce's value of 31.93% is 7.8% above this industry median. Based on the distribution chart, Zen Voce ranks #450 out of 1011 companies in the Semiconductors industry, which is above the industry midpoint. Overall, Zen Voce has a GF Score™ of 56/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Zen Voce's Gross Margin % compare to NVDA and AVGO?
According to the Semiconductors industry distribution chart, Zen Voce ranks #450 out of 1011 companies for Gross Margin %. This puts Zen Voce in the upper half of its industry. The industry median Gross Margin % is 29.61. Zen Voce's value of 31.93% is 7.8% above this benchmark. Historically, Zen Voce's own Gross Margin % has ranged from 29.75 to 40.04 over the past decade. While the company's 10-year median is 37.34 vs. the industry median of 29.61, Zen Voce 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 Gross Margin % for a Semiconductors company?
The median Gross Margin % among Semiconductors companies is 29.61, based on 1,011 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. Zen Voce's current Gross Margin % of 31.93% is 7.8% 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 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 Zen Voce 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. Zen Voce's current Gross Margin % is 31.93%, which is 14% below median its own 10-year median of 37.34. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Zen Voce stock overvalued right now?
Based on GuruFocus' analysis, Zen Voce (ROCO:3581) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$38.01, compared to a current price of NT$115.50 — trading 203.9% above its estimated fair value. The current Gross Margin % is 31.93%, which is 14% below median its 10-year median of 37.34 and 7.8% above the Semiconductors industry median of 29.61. Zen Voce's overall GF Score™ is 56/100 with 2 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 Zen Voce (ROCO:3581), the current Gross Margin % is 31.93% 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 Zen Voce (ROCO:3581) Overvalued in 2026?
Based on GuruFocus' analysis, Zen Voce stock appears to be overvalued.
The current stock price of NT$115.50 is trading 203.9% above its estimated GF Value™ of NT$38.01.
GuruFocus considers Zen Voce to be Significantly Overvalued.
Key valuation signals for ROCO:3581:
Gross Margin %: 31.93% (14% below median its 10-year median of 37.34)
GF Value™: NT$38.01 vs. price of NT$115.50 (203.9% above fair value)
Industry Position: 7.8% above the Semiconductors median (#450 of 1011)
No single metric tells the full story. See the ROCO:3581 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Zen Voce Corp is a Taiwan based company engaged in the business of providing semiconductor, optoelectronics and MEMS and LCD's equipment. It offers equipment products which include IC packaging machine design and manufacture of bumping, wafer cutting machine and cleaning machine design and manufacturing, and board cutting machine and cleaning machine design and manufacturing. The test products provided by the company includes Wafer test probe card PCB design and manufacturing, IC test HIFIX and CHANG KIT design and manufacturing, SOCKET IC design and manufacturing test, Acting IC HANDLER, and Acting SOCKET IC burn-in test.
56GF Score
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Gross Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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