Shih-Kuen CoROCO:4305 -0.70%83 Pretax Margin % is 32.75% as of Dec. 2025, which is 82% above its 10-year median of 18.03. GuruFocus rates ROCO:4305 with a GF Score™ of 83/100 and a GF Value™ of NT$46.60 (Fairly Valued). The stock has 1 warning sign investors should review. Among 1,323 Vehicles & Parts companies, Shih-Kuen Co ranks better than 95.92% on this metric.
Pre-Tax margin is calculated as Pre-Tax Income divided by its Revenue. Shih-Kuen Co's Pre-Tax Income for the
three
months ended in Dec. 2025 was NT$84 Mil. Shih-Kuen Co's Revenue for the
three
months ended in Dec. 2025 was NT$256 Mil. Therefore, Shih-Kuen Co's pretax margin for the quarter that ended in Dec. 2025 was 32.75%.
The historical rank and industry rank for Shih-Kuen Co's Pretax Margin % or its related term are showing as below:
ROCO:4305'
s Pretax Margin % Range Over the Past 10 Years
Min: 11.89 Med: 18.03 Max: 26.12
Current: 24.52
ROCO:4305's Pretax Margin % is ranked better than 95.92% of 1323
companies
in the Vehicles & Parts industry
Industry Median: 4.42
vs ROCO:4305: 24.52
Shih-Kuen Co (ROCO:4305) 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.
Shih-Kuen Co Pretax Margin % Related Terms
Shih-Kuen Co Pretax Margin % Historical Data
* Premium members only.
The historical data trend for Shih-Kuen Co'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:4305 vs ORLY, AZO: Pretax Margin % Comparison
For the Auto Parts subindustry, Shih-Kuen 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.
Shih-Kuen Co Pretax Margin % vs Vehicles & Parts Industry
For the Vehicles & Parts industry and Consumer Cyclical sector, Shih-Kuen Co's Pretax Margin % distribution charts can be found below:
* The bar in red indicates where Shih-Kuen 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.
Shih-Kuen Co (ROCO:4305) has a Pretax Margin % of 32.75% as of Dec. 2025. Pre-Tax margin is the ratio of total pre-tax income to net sales. View historical data on Shih-Kuen Co and its competitors. This is 82% above median its historical median of 18.03. Over the past decade, Shih-Kuen Co's Pretax Margin % has ranged from 11.89 to 26.12. According to the industry distribution chart, Shih-Kuen Co ranks #54 out of 1323 companies in the Vehicles & Parts industry, placing it in the top 4.1%.
Is Shih-Kuen Co's Pretax Margin % too high?
Shih-Kuen Co's current Pretax Margin % of 32.75% is 82% above median its 10-year median of 18.03. Over the past 10 years, this metric has ranged from a low of 11.89 to a high of 26.12. The Vehicles & Parts industry median Pretax Margin % is 4.42. Shih-Kuen Co's value of 32.75% is 641% above this industry median. Based on the distribution chart, Shih-Kuen Co ranks #54 out of 1323 companies in the Vehicles & Parts industry, which is in the top quartile — a strong position relative to peers. Overall, Shih-Kuen Co has a GF Score™ of 83/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Shih-Kuen Co's Pretax Margin % compare to ORLY and AZO?
According to the Vehicles & Parts industry distribution chart, Shih-Kuen Co ranks #54 out of 1323 companies for Pretax Margin %. This places Shih-Kuen Co in the top 4% of its industry — outperforming the majority of peers. The industry median Pretax Margin % is 4.42. Shih-Kuen Co's value of 32.75% is 641% above this benchmark. Historically, Shih-Kuen Co's own Pretax Margin % has ranged from 11.89 to 26.12 over the past decade. While the company's 10-year median is 18.03 vs. the industry median of 4.42, Shih-Kuen 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 Vehicles & Parts company?
The median Pretax Margin % among Vehicles & Parts companies is 4.42, based on 1,323 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. Shih-Kuen Co's current Pretax Margin % of 32.75% is 641% 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 Shih-Kuen Co and its competitors. For the Vehicles & Parts industry, the median Pretax Margin % is 4.42 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Shih-Kuen Co's current Pretax Margin % is 32.75%, which is 82% above median its own 10-year median of 18.03. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Shih-Kuen Co stock overvalued right now?
Based on GuruFocus' analysis, Shih-Kuen Co (ROCO:4305) is currently considered Fairly Valued. The stock's GF Value™ is NT$46.60, compared to a current price of NT$42.60 — trading 8.6% below its estimated fair value. The current Pretax Margin % is 32.75%, which is 82% above median its 10-year median of 18.03 and 641% above the Vehicles & Parts industry median of 4.42. Shih-Kuen Co's overall GF Score™ is 83/100 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 Shih-Kuen Co (ROCO:4305), the current Pretax Margin % is 32.75% 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 Shih-Kuen Co (ROCO:4305) Overvalued in 2026?
Based on GuruFocus' analysis, Shih-Kuen Co stock appears to be undervalued.
The current stock price of NT$42.60 is trading 8.6% below its estimated GF Value™ of NT$46.60.
GuruFocus considers Shih-Kuen Co to be Fairly Valued.
Key valuation signals for ROCO:4305:
Pretax Margin %: 32.75% (82% above median its 10-year median of 18.03)
GF Value™: NT$46.60 vs. price of NT$42.60 (8.6% below fair value)
Industry Position: 641% above the Vehicles & Parts median (#54 of 1323)
No single metric tells the full story. See the ROCO:4305 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Shih-Kuen Co Ltd is a Taiwan-based plastic products manufacturing company. Its product portfolio comprises plastic sheets, inflatable toys, tablecloths and table mats, construction materials, flooring tiles, handbags, stationery, signboards, and sunshade curtains, among others.
83GF Score
Get the complete analysis for ROCO:4305
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