Ruby TechROCO:8048 +1.95%80 Pretax Margin % is 21.27% as of Dec. 2025, which is 27% above its 10-year median of 16.81. GuruFocus rates ROCO:8048 with a GF Score™ of 80/100 and a GF Value™ of NT$41.72 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 2,471 Hardware companies, Ruby Tech ranks better than 88.63% on this metric.
Pre-Tax margin is calculated as Pre-Tax Income divided by its Revenue. Ruby Tech's Pre-Tax Income for the
three
months ended in Dec. 2025 was NT$62 Mil. Ruby Tech's Revenue for the
three
months ended in Dec. 2025 was NT$289 Mil. Therefore, Ruby Tech's pretax margin for the quarter that ended in Dec. 2025 was 21.27%.
The historical rank and industry rank for Ruby Tech's Pretax Margin % or its related term are showing as below:
ROCO:8048'
s Pretax Margin % Range Over the Past 10 Years
Min: 12.19 Med: 16.81 Max: 20.09
Current: 17.81
ROCO:8048's Pretax Margin % is ranked better than 88.63% of 2471
companies
in the Hardware industry
Industry Median: 3.58
vs ROCO:8048: 17.81
Ruby Tech (ROCO:8048) Pretax Margin % Explanation
The pretax margin, as know as pretax profit margin, is widely used to measure the operating efficiency of a company before deducting taxes.
The pretax margin is sometimes preferred over the net margin as tax expenditures can make profitability comparisons between companies misleading.
It is a useful tool to compare companies operating in the same sector and less effective when comparing companies from other sectors as each industry generally has different operating expenses and sales patterns.
The long term trend of the pretax margin is a good indicator of the competitiveness and health of the business.
Ruby Tech Pretax Margin % Related Terms
Ruby Tech Pretax Margin % Historical Data
* Premium members only.
The historical data trend for Ruby Tech's Pretax 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: Pretax Margin % Comparison
For the Communication Equipment subindustry, Ruby Tech's Pretax Margin %, along with its competitors' market caps and Pretax 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 Pretax Margin % vs Hardware Industry
For the Hardware industry and Technology sector, Ruby Tech's Pretax Margin % distribution charts can be found below:
* The bar in red indicates where Ruby Tech's Pretax 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.
Ruby Tech (ROCO:8048) has a Pretax Margin % of 21.27% as of Dec. 2025. Pre-Tax margin is the ratio of total pre-tax income to net sales. View historical data on Ruby Tech and its competitors. This is 27% above median its historical median of 16.81. Over the past decade, Ruby Tech's Pretax Margin % has ranged from 12.19 to 20.09. According to the industry distribution chart, Ruby Tech ranks #281 out of 2471 companies in the Hardware industry, placing it in the top 11.4%.
Is Ruby Tech's Pretax Margin % too high?
Ruby Tech's current Pretax Margin % of 21.27% is 27% above median its 10-year median of 16.81. Over the past 10 years, this metric has ranged from a low of 12.19 to a high of 20.09. The Hardware industry median Pretax Margin % is 3.58. Ruby Tech's value of 21.27% is 494.1% above this industry median. Based on the distribution chart, Ruby Tech ranks #281 out of 2471 companies in the Hardware industry, which is in the top quartile — a strong position relative to peers. 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 Pretax Margin % compare to CSCO and CIEN?
According to the Hardware industry distribution chart, Ruby Tech ranks #281 out of 2471 companies for Pretax Margin %. This places Ruby Tech in the top 11% of its industry — outperforming the majority of peers. The industry median Pretax Margin % is 3.58. Ruby Tech's value of 21.27% is 494.1% above this benchmark. Historically, Ruby Tech's own Pretax Margin % has ranged from 12.19 to 20.09 over the past decade. While the company's 10-year median is 16.81 vs. the industry median of 3.58, 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 Pretax Margin % for a Hardware company?
The median Pretax Margin % among Hardware companies is 3.58, based on 2,471 companies in the industry. Companies in the top quartile (top 25%) have a Pretax Margin % significantly above this median, while those in the bottom quartile fall well below. However, Pretax Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Ruby Tech's current Pretax Margin % of 21.27% is 494.1% 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 Pretax Margin % mean?
A high Pretax Margin % can signal that a stock is expensive relative to its fundamentals. Pre-Tax margin is the ratio of total pre-tax income to net sales. View historical data on Ruby Tech and its competitors. For the Hardware industry, the median Pretax Margin % is 3.58 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Ruby Tech's current Pretax Margin % is 21.27%, which is 27% above median its own 10-year median of 16.81. 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$41.72, compared to a current price of NT$62.70 — trading 50.3% above its estimated fair value. The current Pretax Margin % is 21.27%, which is 27% above median its 10-year median of 16.81 and 494.1% above the Hardware industry median of 3.58. 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 Pretax Margin % calculated?
Pretax Margin % is calculated from a company's financial statements. For Ruby Tech (ROCO:8048), the current Pretax Margin % is 21.27% 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$41.72.
GuruFocus considers Ruby Tech to be Significantly Overvalued.
Key valuation signals for ROCO:8048:
Pretax Margin %: 21.27% (27% above median its 10-year median of 16.81)
GF Value™: NT$41.72 vs. price of NT$62.70 (50.3% above fair value)
Industry Position: 494.1% above the Hardware median (#281 of 2471)
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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