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Wafer WorksROCO:6182 -9.94%60 Pretax Margin % is 9.24% as of Dec. 2025, which is 32% below its 10-year median of 13.50. GuruFocus rates ROCO:6182 with a GF Score™ of 60/100 and a GF Value™ of NT$33.54 (Significantly Overvalued). The stock has 9 warning signs investors should review. Among 1,023 Semiconductors companies, Wafer Works ranks better than 53.27% on this metric.
Pre-Tax margin is calculated as Pre-Tax Income divided by its Revenue. Wafer Works's Pre-Tax Income for the
three
months ended in Dec. 2025 was NT$225 Mil. Wafer Works's Revenue for the
three
months ended in Dec. 2025 was NT$2,432 Mil. Therefore, Wafer Works's pretax margin for the quarter that ended in Dec. 2025 was 9.24%.
The historical rank and industry rank for Wafer Works's Pretax Margin % or its related term are showing as below:
ROCO:6182'
s Pretax Margin % Range Over the Past 10 Years
Min: -27.28 Med: 13.5 Max: 29.24
Current: 6.25
ROCO:6182's Pretax Margin % is ranked better than 53.27% of 1023
companies
in the Semiconductors industry
Industry Median: 5.07
vs ROCO:6182: 6.25
Wafer Works (ROCO:6182) 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.
Wafer Works Pretax Margin % Related Terms
Wafer Works Pretax Margin % Historical Data
* Premium members only.
The historical data trend for Wafer Works'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:6182 vs AMAT, LRCX, KLAC: Pretax Margin % Comparison
For the Semiconductor Equipment & Materials subindustry, Wafer Works'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.
Wafer Works Pretax Margin % vs Semiconductors Industry
For the Semiconductors industry and Technology sector, Wafer Works's Pretax Margin % distribution charts can be found below:
* The bar in red indicates where Wafer Works'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.
Wafer Works (ROCO:6182) has a Pretax Margin % of 9.24% as of Dec. 2025. Pre-Tax margin is the ratio of total pre-tax income to net sales. View historical data on Wafer Works and its competitors. This is 32% below median its historical median of 13.50. According to the industry distribution chart, Wafer Works ranks #478 out of 1023 companies in the Semiconductors industry, placing it in the top 46.7%.
Is Wafer Works' Pretax Margin % too high?
Wafer Works' current Pretax Margin % of 9.24% is 32% below median its 10-year median of 13.50. The Semiconductors industry median Pretax Margin % is 5.07. Wafer Works' value of 9.24% is 82.2% above this industry median. Based on the distribution chart, Wafer Works ranks #478 out of 1023 companies in the Semiconductors industry, which is above the industry midpoint. Overall, Wafer Works has a GF Score™ of 60/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Wafer Works' Pretax Margin % compare to AMAT and LRCX?
According to the Semiconductors industry distribution chart, Wafer Works ranks #478 out of 1023 companies for Pretax Margin %. This puts Wafer Works in the upper half of its industry. The industry median Pretax Margin % is 5.07. Wafer Works' value of 9.24% is 82.2% above this benchmark. While the company's 10-year median is 13.50 vs. the industry median of 5.07, Wafer Works 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 5.07, based on 1,023 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. Wafer Works's current Pretax Margin % of 9.24% is 82.2% 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 Wafer Works and its competitors. For the Semiconductors industry, the median Pretax Margin % is 5.07 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Wafer Works's current Pretax Margin % is 9.24%, which is 32% below median its own 10-year median of 13.50. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Wafer Works stock overvalued right now?
Based on GuruFocus' analysis, Wafer Works (ROCO:6182) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$33.54, compared to a current price of NT$149.50 — trading 345.7% above its estimated fair value. The current Pretax Margin % is 9.24%, which is 32% below median its 10-year median of 13.50 and 82.2% above the Semiconductors industry median of 5.07. Wafer Works' overall GF Score™ is 60/100 with 9 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 Wafer Works (ROCO:6182), the current Pretax Margin % is 9.24% 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 Wafer Works (ROCO:6182) Overvalued in 2026?
Based on GuruFocus' analysis, Wafer Works stock appears to be overvalued.
The current stock price of NT$149.50 is trading 345.7% above its estimated GF Value™ of NT$33.54.
GuruFocus considers Wafer Works to be Significantly Overvalued.
Key valuation signals for ROCO:6182:
Pretax Margin %: 9.24% (32% below median its 10-year median of 13.50)
GF Value™: NT$33.54 vs. price of NT$149.50 (345.7% above fair value)
Industry Position: 82.2% above the Semiconductors median (#478 of 1023)
No single metric tells the full story. See the ROCO:6182 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Wafer Works Corp is a Taiwan-based company principally engaged in the R&D, design, manufacturing, and sales of semiconductor materials; the technique consulting business, service business, and trading for the above items. Its customized silicon wafer services are Polished wafers, Leijingjingyuan, SOI wafers, Gallium nitride epitaxial wafers, and Custom wafers. Its geographical segments include Taiwan, China (including Hong Kong), the United States, and Other countries. It generates the majority of its revenue from Taiwan. The Group's revenue is derived from the manufacture and sale of semiconductor wafers.
60GF Score
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