Eris TechnologyROCO:3675 +7.78%79 Pretax Margin % is 11.17% as of Dec. 2025, which is 5% above its 10-year median of 10.65. GuruFocus rates ROCO:3675 with a GF Score™ of 79/100 and a GF Value™ of NT$285.51 (Significantly Overvalued). The stock has 10 warning signs investors should review. Among 2,471 Hardware companies, Eris Technology ranks better than 63.58% on this metric.
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.
Eris Technology Pretax Margin % Related Terms
Eris Technology Pretax Margin % Historical Data
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The historical data trend for Eris Technology'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.
For the Electronic Components subindustry, Eris Technology'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.
Eris Technology Pretax Margin % vs Hardware Industry
For the Hardware industry and Technology sector, Eris Technology's Pretax Margin % distribution charts can be found below:
* The bar in red indicates where Eris Technology'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.
Eris Technology (ROCO:3675) has a Pretax Margin % of 11.17% as of Dec. 2025. Pre-Tax margin is the ratio of total pre-tax income to net sales. View historical data on Eris Technology and its competitors. This is near median its historical median of 10.65. Over the past decade, Eris Technology's Pretax Margin % has ranged from 1.12 to 20.37. According to the industry distribution chart, Eris Technology ranks #900 out of 2471 companies in the Hardware industry, placing it in the top 36.4%.
Is Eris Technology's Pretax Margin % too high?
Eris Technology's current Pretax Margin % of 11.17% is near median its 10-year median of 10.65. Over the past 10 years, this metric has ranged from a low of 1.12 to a high of 20.37. The Hardware industry median Pretax Margin % is 3.59. Eris Technology's value of 11.17% is 211.1% above this industry median. Based on the distribution chart, Eris Technology ranks #900 out of 2471 companies in the Hardware industry, which is above the industry midpoint. Overall, Eris Technology has a GF Score™ of 79/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Eris Technology's Pretax Margin % compare to APH and GLW?
According to the Hardware industry distribution chart, Eris Technology ranks #900 out of 2471 companies for Pretax Margin %. This puts Eris Technology in the upper half of its industry. The industry median Pretax Margin % is 3.59. Eris Technology's value of 11.17% is 211.1% above this benchmark. Historically, Eris Technology's own Pretax Margin % has ranged from 1.12 to 20.37 over the past decade. While the company's 10-year median is 10.65 vs. the industry median of 3.59, Eris 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 Pretax Margin % for a Hardware company?
The median Pretax Margin % among Hardware companies is 3.59, 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. Eris Technology's current Pretax Margin % of 11.17% is 211.1% 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 Eris Technology and its competitors. For the Hardware industry, the median Pretax Margin % is 3.59 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Eris Technology's current Pretax Margin % is 11.17%, which is near median its own 10-year median of 10.65. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Eris Technology stock overvalued right now?
Based on GuruFocus' analysis, Eris Technology (ROCO:3675) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$285.51, compared to a current price of NT$450.00 — trading 57.6% above its estimated fair value. The current Pretax Margin % is 11.17%, which is near median its 10-year median of 10.65 and 211.1% above the Hardware industry median of 3.59. Eris Technology's overall GF Score™ is 79/100 with 10 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 Eris Technology (ROCO:3675), the current Pretax Margin % is 11.17% 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 Eris Technology (ROCO:3675) Overvalued in 2026?
Based on GuruFocus' analysis, Eris Technology stock appears to be overvalued.
The current stock price of NT$450.00 is trading 57.6% above its estimated GF Value™ of NT$285.51.
GuruFocus considers Eris Technology to be Significantly Overvalued.
Key valuation signals for ROCO:3675:
Pretax Margin %: 11.17% (near median its 10-year median of 10.65)
GF Value™: NT$285.51 vs. price of NT$450.00 (57.6% above fair value)
Industry Position: 211.1% above the Hardware median (#900 of 2471)
No single metric tells the full story. See the ROCO:3675 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Eris Technology Corp manufactures tests and sells rectifier diodes, wafers and light-emitting diodes. The Company mainly manufactures tests and sells rectifier diodes, wafers, and a light-emitting diode. Its products include Schottky Diodes, TVS Diodes, Zener Diodes, Bridge Diodes, Wafers, LEDs, and relevant devices. It operates in two departments. Eris Technology and Jie Cheng - mainly manufacturing and selling in diodes, Yea Shin - mainly manufacturing and selling in wafers and SeCos - mainly R&D, design and sales of diodes, ICs, heat sinks and chips. The majority is from Eris Technology and Jie Cheng. Geographically, it operates in Taiwan, Asia, Europe, North USA, and Australia, out of which the majority is from Taiwan.
79GF Score
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