Excelliance MosROCO:5299 63 Gross Margin % is 34.47% as of Mar. 2026, which is 4% above its 10-year median of 33.26. GuruFocus rates ROCO:5299 with a GF Score™ of 63/100 and a GF Value™ of NT$73.89 (Significantly Overvalued). The stock has 9 warning signs investors should review. Among 1,010 Semiconductors companies, Excelliance Mos ranks better than 60.79% on this metric.
Excelliance Mos Corp gross margin has been in long-term decline. The average rate of decline per year is -3.8%.
The historical rank and industry rank for Excelliance Mos's Gross Margin % or its related term are showing as below:
ROCO:5299'
s Gross Margin % Range Over the Past 10 Years
Min: 25.4 Med: 33.26 Max: 41.7
Current: 35.23
During the past 13 years, the highestGross Margin % of Excelliance Mos was 41.70%. The lowest was 25.40%. And the median was 33.26%.
ROCO:5299's Gross Margin % is ranked better than 60.79% of 1010
companies
in the Semiconductors industry
Industry Median: 29.61
vs ROCO:5299: 35.23
Excelliance Mos had a gross margin of 34.47% for the quarter that ended in Mar. 2026 => Competition eroding margins
The 5-Year average Growth Rate of Gross Margin for Excelliance Mos was -3.80% per year.
Excelliance Mos (ROCO:5299) 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
Excelliance Mos had a gross margin of 34.47% for the quarter that ended in Mar. 2026 => 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.
Excelliance Mos Gross Margin % Related Terms
Excelliance Mos Gross Margin % Historical Data
* Premium members only.
The historical data trend for Excelliance Mos'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:5299 vs NVDA, AVGO, MU: Gross Margin % Comparison
For the Semiconductors subindustry, Excelliance Mos'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.
Excelliance Mos Gross Margin % vs Semiconductors Industry
For the Semiconductors industry and Technology sector, Excelliance Mos's Gross Margin % distribution charts can be found below:
* The bar in red indicates where Excelliance Mos'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.
Excelliance Mos (ROCO:5299) has a Gross Margin % of 34.47% as of Mar. 2026. Gross margin is the ratio of total gross profit to net sales. View historical data on Excelliance Mos and its competitors. This is near median its historical median of 33.26. Over the past decade, Excelliance Mos' Gross Margin % has ranged from 25.40 to 41.70. According to the industry distribution chart, Excelliance Mos ranks #396 out of 1010 companies in the Semiconductors industry, placing it in the top 39.2%.
Is Excelliance Mos' Gross Margin % too high?
Excelliance Mos' current Gross Margin % of 34.47% is near median its 10-year median of 33.26. Over the past 10 years, this metric has ranged from a low of 25.40 to a high of 41.70. The Semiconductors industry median Gross Margin % is 29.61. Excelliance Mos' value of 34.47% is 16.4% above this industry median. Based on the distribution chart, Excelliance Mos ranks #396 out of 1010 companies in the Semiconductors industry, which is above the industry midpoint. Overall, Excelliance Mos has a GF Score™ of 63/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Excelliance Mos' Gross Margin % compare to NVDA and AVGO?
According to the Semiconductors industry distribution chart, Excelliance Mos ranks #396 out of 1010 companies for Gross Margin %. This puts Excelliance Mos in the upper half of its industry. The industry median Gross Margin % is 29.61. Excelliance Mos' value of 34.47% is 16.4% above this benchmark. Historically, Excelliance Mos' own Gross Margin % has ranged from 25.40 to 41.70 over the past decade. While the company's 10-year median is 33.26 vs. the industry median of 29.61, Excelliance Mos 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 1,010 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. Excelliance Mos's current Gross Margin % of 34.47% is 16.4% 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 Excelliance Mos 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. Excelliance Mos's current Gross Margin % is 34.47%, which is near median its own 10-year median of 33.26. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Excelliance Mos stock overvalued right now?
Based on GuruFocus' analysis, Excelliance Mos (ROCO:5299) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$73.89, compared to a current price of NT$118.00 — trading 59.7% above its estimated fair value. The current Gross Margin % is 34.47%, which is near median its 10-year median of 33.26 and 16.4% above the Semiconductors industry median of 29.61. Excelliance Mos' overall GF Score™ is 63/100 with 9 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 Excelliance Mos (ROCO:5299), the current Gross Margin % is 34.47% as of Mar. 2026. 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 Excelliance Mos (ROCO:5299) Overvalued in 2026?
Based on GuruFocus' analysis, Excelliance Mos stock appears to be overvalued.
The current stock price of NT$118.00 is trading 59.7% above its estimated GF Value™ of NT$73.89.
GuruFocus considers Excelliance Mos to be Significantly Overvalued.
Key valuation signals for ROCO:5299:
Gross Margin %: 34.47% (near median its 10-year median of 33.26)
GF Value™: NT$73.89 vs. price of NT$118.00 (59.7% above fair value)
Industry Position: 16.4% above the Semiconductors median (#396 of 1010)
No single metric tells the full story. See the ROCO:5299 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Excelliance Mos Corp is a power device and IC design company specializing in power semiconductor process development, high-efficiency power devices, integrated circuits, and system design, empowered by its vertically integrated capabilities. The company's product portfolio mainly includes Power MOSFETs, AC/DC integrated circuits, and AC/DC controllers. These products are mainly used in laptops, desktops, LCD TVs, monitors, digital cameras, cell phones, and other related products. Geographically, the company generates maximum revenue from Taiwan, and the rest from China and other markets.
63GF Score
Get the complete analysis for ROCO:5299
Gross Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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