Winstek Semiconductor CoROCO:3265 -1.86%76 Pretax Margin % is 23.94% as of Dec. 2025, which is 7% above its 10-year median of 22.32. GuruFocus rates ROCO:3265 with a GF Score™ of 76/100 and a GF Value™ of NT$117.17 (Significantly Overvalued). The stock has 7 warning signs investors should review. Among 1,020 Semiconductors companies, Winstek Semiconductor Co ranks better than 80.1% on this metric.
The historical rank and industry rank for Winstek Semiconductor Co's Pretax Margin % or its related term are showing as below:
ROCO:3265'
s Pretax Margin % Range Over the Past 10 Years
Min: 8.71 Med: 22.32 Max: 33.16
Current: 19.67
ROCO:3265's Pretax Margin % is ranked better than 80.1% of 1020
companies
in the Semiconductors industry
Industry Median: 5.11
vs ROCO:3265: 19.67
Winstek Semiconductor Co (ROCO:3265) 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.
Winstek Semiconductor Co Pretax Margin % Related Terms
Winstek Semiconductor Co Pretax Margin % Historical Data
* 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:3265 vs NVDA, AVGO, MU: Pretax Margin % Comparison
For the Semiconductors subindustry, Winstek Semiconductor Co'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.
Winstek Semiconductor Co Pretax Margin % vs Semiconductors Industry
For the Semiconductors industry and Technology sector, Winstek Semiconductor Co's Pretax Margin % distribution charts can be found below:
* The bar in red indicates where Winstek Semiconductor Co'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.
Winstek Semiconductor Co (ROCO:3265) has a Pretax Margin % of 23.94% as of Dec. 2025. Pre-Tax margin is the ratio of total pre-tax income to net sales. View historical data on Winstek Semiconductor Co and its competitors. This is near median its historical median of 22.32. Over the past decade, Winstek Semiconductor Co's Pretax Margin % has ranged from 8.71 to 33.16. According to the industry distribution chart, Winstek Semiconductor Co ranks #203 out of 1020 companies in the Semiconductors industry, placing it in the top 19.9%.
Is Winstek Semiconductor Co's Pretax Margin % too high?
Winstek Semiconductor Co's current Pretax Margin % of 23.94% is near median its 10-year median of 22.32. Over the past 10 years, this metric has ranged from a low of 8.71 to a high of 33.16. The Semiconductors industry median Pretax Margin % is 5.11. Winstek Semiconductor Co's value of 23.94% is 368.5% above this industry median. Based on the distribution chart, Winstek Semiconductor Co ranks #203 out of 1020 companies in the Semiconductors industry, which is in the top quartile — a strong position relative to peers. Overall, Winstek Semiconductor Co has a GF Score™ of 76/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Winstek Semiconductor Co's Pretax Margin % compare to NVDA and AVGO?
According to the Semiconductors industry distribution chart, Winstek Semiconductor Co ranks #203 out of 1020 companies for Pretax Margin %. This places Winstek Semiconductor Co in the top 20% of its industry — outperforming the majority of peers. The industry median Pretax Margin % is 5.11. Winstek Semiconductor Co's value of 23.94% is 368.5% above this benchmark. Historically, Winstek Semiconductor Co's own Pretax Margin % has ranged from 8.71 to 33.16 over the past decade. While the company's 10-year median is 22.32 vs. the industry median of 5.11, Winstek Semiconductor 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 Pretax Margin % for a Semiconductors company?
The median Pretax Margin % among Semiconductors companies is 5.11, based on 1,020 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. Winstek Semiconductor Co's current Pretax Margin % of 23.94% is 368.5% 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 Winstek Semiconductor Co and its competitors. For the Semiconductors industry, the median Pretax Margin % is 5.11 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Winstek Semiconductor Co's current Pretax Margin % is 23.94%, which is near median its own 10-year median of 22.32. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Winstek Semiconductor Co stock overvalued right now?
Based on GuruFocus' analysis, Winstek Semiconductor Co (ROCO:3265) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$117.17, compared to a current price of NT$185.00 — trading 57.9% above its estimated fair value. The current Pretax Margin % is 23.94%, which is near median its 10-year median of 22.32 and 368.5% above the Semiconductors industry median of 5.11. Winstek Semiconductor Co's overall GF Score™ is 76/100 with 7 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 Winstek Semiconductor Co (ROCO:3265), the current Pretax Margin % is 23.94% 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 Winstek Semiconductor Co (ROCO:3265) Overvalued in 2026?
Based on GuruFocus' analysis, Winstek Semiconductor Co stock appears to be overvalued.
The current stock price of NT$185.00 is trading 57.9% above its estimated GF Value™ of NT$117.17.
GuruFocus considers Winstek Semiconductor Co to be Significantly Overvalued.
Key valuation signals for ROCO:3265:
Pretax Margin %: 23.94% (near median its 10-year median of 22.32)
GF Value™: NT$117.17 vs. price of NT$185.00 (57.9% above fair value)
Industry Position: 368.5% above the Semiconductors median (#203 of 1020)
No single metric tells the full story. See the ROCO:3265 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Winstek Semiconductor Co Ltd is engaged in testing and packing services for chips and wafers. The company offers services in Test, Bump, Backend services, and vertical analysis.
76GF Score
Get the complete analysis for ROCO:3265
Pretax 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:3265 has been successfully added to your 
