Fulltech Fiber GlassROCO:1815 -3.02%59 Pretax Margin % is 31.40% as of Dec. 2025, which is 408% above its 10-year median of 6.18. GuruFocus rates ROCO:1815 with a GF Score™ of 59/100 and a GF Value™ of NT$35.94 (Significantly Overvalued). The stock has 1 warning sign investors should review. Among 2,472 Hardware companies, Fulltech Fiber Glass ranks better than 88.43% 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.
Fulltech Fiber Glass Pretax Margin % Related Terms
Fulltech Fiber Glass Pretax Margin % Historical Data
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The historical data trend for Fulltech Fiber Glass'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, Fulltech Fiber Glass'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.
Fulltech Fiber Glass Pretax Margin % vs Hardware Industry
For the Hardware industry and Technology sector, Fulltech Fiber Glass's Pretax Margin % distribution charts can be found below:
* The bar in red indicates where Fulltech Fiber Glass'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.
Fulltech Fiber Glass (ROCO:1815) has a Pretax Margin % of 31.40% as of Dec. 2025. Pre-Tax margin is the ratio of total pre-tax income to net sales. View historical data on Fulltech Fiber Glass and its competitors. This is 408% above median its historical median of 6.18. According to the industry distribution chart, Fulltech Fiber Glass ranks #286 out of 2472 companies in the Hardware industry, placing it in the top 11.6%.
Is Fulltech Fiber Glass' Pretax Margin % too high?
Fulltech Fiber Glass' current Pretax Margin % of 31.40% is 408% above median its 10-year median of 6.18. The Hardware industry median Pretax Margin % is 3.59. Fulltech Fiber Glass' value of 31.40% is 775.9% above this industry median. Based on the distribution chart, Fulltech Fiber Glass ranks #286 out of 2472 companies in the Hardware industry, which is in the top quartile — a strong position relative to peers. Overall, Fulltech Fiber Glass has a GF Score™ of 59/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Fulltech Fiber Glass' Pretax Margin % compare to APH and GLW?
According to the Hardware industry distribution chart, Fulltech Fiber Glass ranks #286 out of 2472 companies for Pretax Margin %. This places Fulltech Fiber Glass in the top 12% of its industry — outperforming the majority of peers. The industry median Pretax Margin % is 3.59. Fulltech Fiber Glass' value of 31.40% is 775.9% above this benchmark. While the company's 10-year median is 6.18 vs. the industry median of 3.59, Fulltech Fiber Glass 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 2,472 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. Fulltech Fiber Glass's current Pretax Margin % of 31.40% is 775.9% 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 Fulltech Fiber Glass 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. Fulltech Fiber Glass's current Pretax Margin % is 31.40%, which is 408% above median its own 10-year median of 6.18. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Fulltech Fiber Glass stock overvalued right now?
Based on GuruFocus' analysis, Fulltech Fiber Glass (ROCO:1815) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$35.94, compared to a current price of NT$96.50 — trading 168.5% above its estimated fair value. The current Pretax Margin % is 31.40%, which is 408% above median its 10-year median of 6.18 and 775.9% above the Hardware industry median of 3.59. Fulltech Fiber Glass' overall GF Score™ is 59/100 with 1 warning sign 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 Fulltech Fiber Glass (ROCO:1815), the current Pretax Margin % is 31.40% 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 Fulltech Fiber Glass (ROCO:1815) Overvalued in 2026?
Based on GuruFocus' analysis, Fulltech Fiber Glass stock appears to be overvalued.
The current stock price of NT$96.50 is trading 168.5% above its estimated GF Value™ of NT$35.94.
GuruFocus considers Fulltech Fiber Glass to be Significantly Overvalued.
Key valuation signals for ROCO:1815:
Pretax Margin %: 31.40% (408% above median its 10-year median of 6.18)
GF Value™: NT$35.94 vs. price of NT$96.50 (168.5% above fair value)
Industry Position: 775.9% above the Hardware median (#286 of 2472)
No single metric tells the full story. See the ROCO:1815 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Fulltech Fiber Glass Corp is engaged in producing and selling fiberglass yarn and fiberglass fabric, which are the main upstream materials for Printed Circuit Boards. The reportable segments of the company are the Fiberglass Yarn and the Fiberglass Fabric segment. Geographically, the company generates a majority of its revenue from Taiwan and the rest from China.
59GF Score
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