Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.
Ecocera Optronics CoROCO:6597 -0.88%87 Gross Margin % is 31.84% as of Dec. 2025, which is 64% above its 10-year median of 19.42. GuruFocus rates ROCO:6597 with a GF Score™ of 87/100 and a GF Value™ of NT$69.69 (Fairly Valued). The stock has 7 warning signs investors should review. Among 2,457 Hardware companies, Ecocera Optronics Co ranks better than 59.38% on this metric.
The historical rank and industry rank for Ecocera Optronics Co's Gross Margin % or its related term are showing as below:
ROCO:6597'
s Gross Margin % Range Over the Past 10 Years
Min: 4.85 Med: 19.42 Max: 29.77
Current: 29.77
During the past 12 years, the highestGross Margin % of Ecocera Optronics Co was 29.77%. The lowest was 4.85%. And the median was 19.42%.
ROCO:6597's Gross Margin % is ranked better than 59.38% of 2457
companies
in the Hardware industry
Industry Median: 24.54
vs ROCO:6597: 29.77
Ecocera Optronics Co had a gross margin of 31.84% for the quarter that ended in Dec. 2025 => Competition eroding margins
The 5-Year average Growth Rate of Gross Margin for Ecocera Optronics Co was 30.80% per year.
Ecocera Optronics Co (ROCO:6597) 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
Ecocera Optronics Co had a gross margin of 31.84% 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.
Ecocera Optronics Co Gross Margin % Related Terms
Ecocera Optronics Co Gross Margin % Historical Data
* Premium members only.
The historical data trend for Ecocera Optronics 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.
For the Electronic Components subindustry, Ecocera Optronics 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.
Ecocera Optronics Co Gross Margin % vs Hardware Industry
For the Hardware industry and Technology sector, Ecocera Optronics Co's Gross Margin % distribution charts can be found below:
* The bar in red indicates where Ecocera Optronics 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.
Ecocera Optronics Co (ROCO:6597) has a Gross Margin % of 31.84% as of Dec. 2025. Gross margin is the ratio of total gross profit to net sales. View historical data on Ecocera Optronics Co and its competitors. This is 64% above median its historical median of 19.42. Over the past decade, Ecocera Optronics Co's Gross Margin % has ranged from 4.85 to 29.77. According to the industry distribution chart, Ecocera Optronics Co ranks #998 out of 2457 companies in the Hardware industry, placing it in the top 40.6%.
Is Ecocera Optronics Co's Gross Margin % too high?
Ecocera Optronics Co's current Gross Margin % of 31.84% is 64% above median its 10-year median of 19.42. Over the past 10 years, this metric has ranged from a low of 4.85 to a high of 29.77. The Hardware industry median Gross Margin % is 24.54. Ecocera Optronics Co's value of 31.84% is 29.7% above this industry median. Based on the distribution chart, Ecocera Optronics Co ranks #998 out of 2457 companies in the Hardware industry, which is above the industry midpoint. Overall, Ecocera Optronics Co has a GF Score™ of 87/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Ecocera Optronics Co's Gross Margin % compare to APH and GLW?
According to the Hardware industry distribution chart, Ecocera Optronics Co ranks #998 out of 2457 companies for Gross Margin %. This puts Ecocera Optronics Co in the upper half of its industry. The industry median Gross Margin % is 24.54. Ecocera Optronics Co's value of 31.84% is 29.7% above this benchmark. Historically, Ecocera Optronics Co's own Gross Margin % has ranged from 4.85 to 29.77 over the past decade. While the company's 10-year median is 19.42 vs. the industry median of 24.54, Ecocera Optronics 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 Gross Margin % for a Hardware company?
The median Gross Margin % among Hardware companies is 24.54, based on 2,457 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. Ecocera Optronics Co's current Gross Margin % of 31.84% is 29.7% 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 Ecocera Optronics Co and its competitors. For the Hardware industry, the median Gross Margin % is 24.54 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Ecocera Optronics Co's current Gross Margin % is 31.84%, which is 64% above median its own 10-year median of 19.42. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Ecocera Optronics Co stock overvalued right now?
Based on GuruFocus' analysis, Ecocera Optronics Co (ROCO:6597) is currently considered Fairly Valued. The stock's GF Value™ is NT$69.69, compared to a current price of NT$67.20 — trading 3.6% below its estimated fair value. The current Gross Margin % is 31.84%, which is 64% above median its 10-year median of 19.42 and 29.7% above the Hardware industry median of 24.54. Ecocera Optronics Co's overall GF Score™ is 87/100 with 7 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 Ecocera Optronics Co (ROCO:6597), the current Gross Margin % is 31.84% 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 Ecocera Optronics Co (ROCO:6597) Overvalued in 2026?
Based on GuruFocus' analysis, Ecocera Optronics Co stock appears to be undervalued.
The current stock price of NT$67.20 is trading 3.6% below its estimated GF Value™ of NT$69.69.
GuruFocus considers Ecocera Optronics Co to be Fairly Valued.
Key valuation signals for ROCO:6597:
Gross Margin %: 31.84% (64% above median its 10-year median of 19.42)
GF Value™: NT$69.69 vs. price of NT$67.20 (3.6% below fair value)
Industry Position: 29.7% above the Hardware median (#998 of 2457)
No single metric tells the full story. See the ROCO:6597 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Ecocera Optronics Co Ltd is a Taiwan-based company engaged in the production of ceramic substrates and ceramic circuit boards. The company's products are used in LED lighting, automotive lighting, mobile phone LED flash, UV, display, and other applications.
87GF Score
Get the complete analysis for ROCO:6597
Gross Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
ROCO:6597 has been successfully added to your 
