Ruby TechROCO:8048 +1.95%80 Gross Margin % is 35.90% as of Dec. 2025, which is 15% above its 10-year median of 31.27. GuruFocus rates ROCO:8048 with a GF Score™ of 80/100 and a GF Value™ of NT$41.73 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 2,453 Hardware companies, Ruby Tech ranks better than 69.18% on this metric.
Gross Margin % is calculated as gross profit divided by its revenue. Ruby Tech's Gross Profit for the
three
months ended in Dec. 2025 was NT$104 Mil. Ruby Tech's Revenue for the
three
months ended in Dec. 2025 was NT$289 Mil. Therefore, Ruby Tech's Gross Margin % for the quarter that ended in Dec. 2025 was 35.90%.
The historical rank and industry rank for Ruby Tech's Gross Margin % or its related term are showing as below:
ROCO:8048'
s Gross Margin % Range Over the Past 10 Years
Min: 25.02 Med: 31.27 Max: 34.67
Current: 34.67
During the past 13 years, the highestGross Margin % of Ruby Tech was 34.67%. The lowest was 25.02%. And the median was 31.27%.
ROCO:8048's Gross Margin % is ranked better than 69.18% of 2453
companies
in the Hardware industry
Industry Median: 24.52
vs ROCO:8048: 34.67
Ruby Tech had a gross margin of 35.90% for the quarter that ended in Dec. 2025 => Competition eroding margins
The 5-Year average Growth Rate of Gross Margin for Ruby Tech was 0.70% per year.
Ruby Tech (ROCO:8048) 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
Ruby Tech had a gross margin of 35.90% 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.
Ruby Tech Gross Margin % Related Terms
Ruby Tech Gross Margin % Historical Data
* Premium members only.
The historical data trend for Ruby Tech'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:8048 vs CSCO, CIEN, MSI: Gross Margin % Comparison
For the Communication Equipment subindustry, Ruby Tech'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.
Ruby Tech Gross Margin % vs Hardware Industry
For the Hardware industry and Technology sector, Ruby Tech's Gross Margin % distribution charts can be found below:
* The bar in red indicates where Ruby Tech'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.
Ruby Tech (ROCO:8048) has a Gross Margin % of 35.90% as of Dec. 2025. Gross margin is the ratio of total gross profit to net sales. View historical data on Ruby Tech and its competitors. This is 15% above median its historical median of 31.27. Over the past decade, Ruby Tech's Gross Margin % has ranged from 25.02 to 34.67. According to the industry distribution chart, Ruby Tech ranks #756 out of 2453 companies in the Hardware industry, placing it in the top 30.8%.
Is Ruby Tech's Gross Margin % too high?
Ruby Tech's current Gross Margin % of 35.90% is 15% above median its 10-year median of 31.27. Over the past 10 years, this metric has ranged from a low of 25.02 to a high of 34.67. The Hardware industry median Gross Margin % is 24.52. Ruby Tech's value of 35.90% is 46.4% above this industry median. Based on the distribution chart, Ruby Tech ranks #756 out of 2453 companies in the Hardware industry, which is above the industry midpoint. Overall, Ruby Tech has a GF Score™ of 80/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Ruby Tech's Gross Margin % compare to CSCO and CIEN?
According to the Hardware industry distribution chart, Ruby Tech ranks #756 out of 2453 companies for Gross Margin %. This puts Ruby Tech in the upper half of its industry. The industry median Gross Margin % is 24.52. Ruby Tech's value of 35.90% is 46.4% above this benchmark. Historically, Ruby Tech's own Gross Margin % has ranged from 25.02 to 34.67 over the past decade. While the company's 10-year median is 31.27 vs. the industry median of 24.52, Ruby Tech 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 24.52, based on 2,453 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. Ruby Tech's current Gross Margin % of 35.90% is 46.4% 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 Ruby Tech and its competitors. For the Hardware industry, the median Gross Margin % is 24.52 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Ruby Tech's current Gross Margin % is 35.90%, which is 15% above median its own 10-year median of 31.27. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Ruby Tech stock overvalued right now?
Based on GuruFocus' analysis, Ruby Tech (ROCO:8048) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$41.73, compared to a current price of NT$62.70 — trading 50.3% above its estimated fair value. The current Gross Margin % is 35.90%, which is 15% above median its 10-year median of 31.27 and 46.4% above the Hardware industry median of 24.52. Ruby Tech's overall GF Score™ is 80/100 with 6 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 Ruby Tech (ROCO:8048), the current Gross Margin % is 35.90% 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 Ruby Tech (ROCO:8048) Overvalued in 2026?
Based on GuruFocus' analysis, Ruby Tech stock appears to be overvalued.
The current stock price of NT$62.70 is trading 50.3% above its estimated GF Value™ of NT$41.73.
GuruFocus considers Ruby Tech to be Significantly Overvalued.
Key valuation signals for ROCO:8048:
Gross Margin %: 35.90% (15% above median its 10-year median of 31.27)
GF Value™: NT$41.73 vs. price of NT$62.70 (50.3% above fair value)
Industry Position: 46.4% above the Hardware median (#756 of 2453)
No single metric tells the full story. See the ROCO:8048 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Ruby Tech Corp is engaged in the research, manufacturing, and trading of optical fiber network equipment for central offices and customer premises, network management switches, and outdoor wireless networking equipment. It is focused on OEM/ODM Business of Networking Products such as PoE Ethernet Switches, Industrial Switches, GEPON OLT/ONU, etc. The reportable segments of the company are: i) Computer and its peripheral equipment: Department 1, and ii) Computer and its peripheral equipment: Department 2. The majority of revenue is derived from Department 1.
80GF 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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