Winston Medical Supply CoROCO:6817 -0.17%85 Net Margin % is 14.89% as of Dec. 2025, which is 13% below its 10-year median of 17.17. GuruFocus rates ROCO:6817 with a GF Score™ of 85/100 and a GF Value™ of NT$102.51 (Significantly Undervalued). The stock has 2 warning signs investors should review. Among 953 Drug Manufacturers companies, Winston Medical Supply Co ranks better than 82.27% on this metric.
The historical rank and industry rank for Winston Medical Supply Co's Net Margin % or its related term are showing as below:
ROCO:6817'
s Net Margin % Range Over the Past 10 Years
Min: -8.4 Med: 17.17 Max: 22.39
Current: 16.75
ROCO:6817's Net Margin % is ranked better than 82.27% of 953
companies
in the Drug Manufacturers industry
Industry Median: 5.69
vs ROCO:6817: 16.75
Winston Medical Supply Co (ROCO:6817) Net Margin % Explanation
Although Net Income and Earnings-per-Share (EPS) are the most widely used parameter in measuring a company's profitability and valuation, it is the least reliable. The reason is that reported earnings can be manipulated easily by adjusting any numbers such as Depreciation, Depletion and Amotorization and non-recurring items.
But the long term trend of the net margin is a good indicator of the competitiveness and health of the business.
Winston Medical Supply Co Net Margin % Related Terms
Winston Medical Supply Co Net 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.
For the Drug Manufacturers - Specialty & Generic subindustry, Winston Medical Supply Co's Net Margin %, along with its competitors' market caps and Net 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.
Winston Medical Supply Co Net Margin % vs Drug Manufacturers Industry
For the Drug Manufacturers industry and Healthcare sector, Winston Medical Supply Co's Net Margin % distribution charts can be found below:
* The bar in red indicates where Winston Medical Supply Co's Net 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.
Winston Medical Supply Co (ROCO:6817) has a Net Margin % of 14.89% as of Dec. 2025. Net margin is the ratio of total net income to net sales. View historical data on Winston Medical Supply Co and its competitors. This is 13% below median its historical median of 17.17. According to the industry distribution chart, Winston Medical Supply Co ranks #169 out of 953 companies in the Drug Manufacturers industry, placing it in the top 17.7%.
Is Winston Medical Supply Co's Net Margin % too high?
Winston Medical Supply Co's current Net Margin % of 14.89% is 13% below median its 10-year median of 17.17. The Drug Manufacturers industry median Net Margin % is 5.69. Winston Medical Supply Co's value of 14.89% is 161.7% above this industry median. Based on the distribution chart, Winston Medical Supply Co ranks #169 out of 953 companies in the Drug Manufacturers industry, which is in the top quartile — a strong position relative to peers. Overall, Winston Medical Supply Co has a GF Score™ of 85/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Winston Medical Supply Co's Net Margin % compare to ZTS?
According to the Drug Manufacturers industry distribution chart, Winston Medical Supply Co ranks #169 out of 953 companies for Net Margin %. This places Winston Medical Supply Co in the top 18% of its industry — outperforming the majority of peers. The industry median Net Margin % is 5.69. Winston Medical Supply Co's value of 14.89% is 161.7% above this benchmark. While the company's 10-year median is 17.17 vs. the industry median of 5.69, Winston Medical Supply 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 Net Margin % for a Drug Manufacturers company?
The median Net Margin % among Drug Manufacturers companies is 5.69, based on 953 companies in the industry. Companies in the top quartile (top 25%) have a Net Margin % significantly above this median, while those in the bottom quartile fall well below. However, Net Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Winston Medical Supply Co's current Net Margin % of 14.89% is 161.7% 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 Net Margin % mean?
A high Net Margin % can signal that a stock is expensive relative to its fundamentals. Net margin is the ratio of total net income to net sales. View historical data on Winston Medical Supply Co and its competitors. For the Drug Manufacturers industry, the median Net Margin % is 5.69 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Winston Medical Supply Co's current Net Margin % is 14.89%, which is 13% below median its own 10-year median of 17.17. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Winston Medical Supply Co stock overvalued right now?
Based on GuruFocus' analysis, Winston Medical Supply Co (ROCO:6817) is currently considered Significantly Undervalued. The stock's GF Value™ is NT$102.51, compared to a current price of NT$59.90 — trading 41.6% below its estimated fair value. The current Net Margin % is 14.89%, which is 13% below median its 10-year median of 17.17 and 161.7% above the Drug Manufacturers industry median of 5.69. Winston Medical Supply Co's overall GF Score™ is 85/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Net Margin % calculated?
Net Margin % is calculated from a company's financial statements. For Winston Medical Supply Co (ROCO:6817), the current Net Margin % is 14.89% 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 Winston Medical Supply Co (ROCO:6817) Overvalued in 2026?
Based on GuruFocus' analysis, Winston Medical Supply Co stock appears to be undervalued.
The current stock price of NT$59.90 is trading 41.6% below its estimated GF Value™ of NT$102.51.
GuruFocus considers Winston Medical Supply Co to be Significantly Undervalued.
Key valuation signals for ROCO:6817:
Net Margin %: 14.89% (13% below median its 10-year median of 17.17)
GF Value™: NT$102.51 vs. price of NT$59.90 (41.6% below fair value)
Industry Position: 161.7% above the Drug Manufacturers median (#169 of 953)
No single metric tells the full story. See the ROCO:6817 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Winston Medical Supply Co Ltd is a manufacturer of medical products. It produces sterile ophthalmic preparations, hormone preparations and healthy products.
85GF Score
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