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JMicron TechnologyROCO:4925 -9.23%39 Gross Margin % is 55.23% as of Dec. 2025, which is 6% below its 10-year median of 58.67. GuruFocus rates ROCO:4925 with a GF Score™ of 39/100 and a GF Value™ of NT$40.40 (Significantly Overvalued). The stock has 5 warning signs investors should review. Among 1,011 Semiconductors companies, JMicron Technology ranks better than 84.97% on this metric.
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
JMicron Technology had a gross margin of 55.23% for the quarter that ended in Dec. 2025 => Durable competitive advantage
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.
JMicron Technology Gross Margin % Related Terms
JMicron Technology Gross Margin % Historical Data
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The historical data trend for JMicron Technology'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:4925 vs NVDA, AVGO, MU: Gross Margin % Comparison
For the Semiconductors subindustry, JMicron Technology'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.
JMicron Technology Gross Margin % vs Semiconductors Industry
For the Semiconductors industry and Technology sector, JMicron Technology's Gross Margin % distribution charts can be found below:
* The bar in red indicates where JMicron Technology'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.
JMicron Technology (ROCO:4925) has a Gross Margin % of 55.23% as of Dec. 2025. Gross margin is the ratio of total gross profit to net sales. View historical data on JMicron Technology and its competitors. This is near median its historical median of 58.67. Over the past decade, JMicron Technology's Gross Margin % has ranged from 37.78 to 64.98. According to the industry distribution chart, JMicron Technology ranks #152 out of 1011 companies in the Semiconductors industry, placing it in the top 15%.
Is JMicron Technology's Gross Margin % too high?
JMicron Technology's current Gross Margin % of 55.23% is near median its 10-year median of 58.67. Over the past 10 years, this metric has ranged from a low of 37.78 to a high of 64.98. The Semiconductors industry median Gross Margin % is 29.61. JMicron Technology's value of 55.23% is 86.5% above this industry median. Based on the distribution chart, JMicron Technology ranks #152 out of 1011 companies in the Semiconductors industry, which is in the top quartile — a strong position relative to peers. Overall, JMicron Technology has a GF Score™ of 39/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does JMicron Technology's Gross Margin % compare to NVDA and AVGO?
According to the Semiconductors industry distribution chart, JMicron Technology ranks #152 out of 1011 companies for Gross Margin %. This places JMicron Technology in the top 15% of its industry — outperforming the majority of peers. The industry median Gross Margin % is 29.61. JMicron Technology's value of 55.23% is 86.5% above this benchmark. Historically, JMicron Technology's own Gross Margin % has ranged from 37.78 to 64.98 over the past decade. While the company's 10-year median is 58.67 vs. the industry median of 29.61, JMicron Technology 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. JMicron Technology's current Gross Margin % of 55.23% is 86.5% 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 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 JMicron Technology 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. JMicron Technology's current Gross Margin % is 55.23%, which is near median its own 10-year median of 58.67. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is JMicron Technology stock overvalued right now?
Based on GuruFocus' analysis, JMicron Technology (ROCO:4925) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$40.40, compared to a current price of NT$118.00 — trading 192.1% above its estimated fair value. The current Gross Margin % is 55.23%, which is near median its 10-year median of 58.67 and 86.5% above the Semiconductors industry median of 29.61. JMicron Technology's overall GF Score™ is 39/100 with 5 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 JMicron Technology (ROCO:4925), the current Gross Margin % is 55.23% 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 JMicron Technology (ROCO:4925) Overvalued in 2026?
Based on GuruFocus' analysis, JMicron Technology stock appears to be overvalued.
The current stock price of NT$118.00 is trading 192.1% above its estimated GF Value™ of NT$40.40.
GuruFocus considers JMicron Technology to be Significantly Overvalued.
Key valuation signals for ROCO:4925:
Gross Margin %: 55.23% (near median its 10-year median of 58.67)
GF Value™: NT$40.40 vs. price of NT$118.00 (192.1% above fair value)
Industry Position: 86.5% above the Semiconductors median (#152 of 1011)
No single metric tells the full story. See the ROCO:4925 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
JMicron Technology Corp operates as a fabless IC company that specializes in designing high-speed data and signal interfaces. It offers bridge controller series that offers a range of high-speed and super-speed FireWire and SATAII/III interfaces for data storage applications.
39GF Score
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