Winston Medical Supply Co (ROCO:6817) OCF Margin %: 26.08% (As of Dec. 2025) — 22% Above Median


ROCO:6817 Winston Medical Supply Co Ltd ROCO:6817
85 GF Score
Price NT$59.20
GF Value NT$102.58
Valuation Significantly Undervalued
! 2 Warning Signs
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What is Winston Medical Supply Co OCF Margin %?

Winston Medical Supply Co ROCO:6817 -1.82% 85 OCF Margin % is 26.08% as of Dec. 2025, which is 22% above its 10-year median of 21.30. GuruFocus rates ROCO:6817 with a GF Score™ of 85/100 and a GF Value™ of NT$102.58 (Significantly Undervalued). The stock has 2 warning signs investors should review. Among 959 Drug Manufacturers companies, Winston Medical Supply Co ranks better than 81.33% on this metric.

OCF Margin % is calculated as Cash Flow from Operations divided by its Revenue. Winston Medical Supply Co's Cash Flow from Operations for the six months ended in Dec. 2025 was NT$89.0 Mil. Winston Medical Supply Co's Revenue for the six months ended in Dec. 2025 was NT$341.2 Mil. Therefore, Winston Medical Supply Co's OCF Margin % for the quarter that ended in Dec. 2025 was 26.08%.

As of today, Winston Medical Supply Co's current OCF Yield % is 14.05%.

The historical rank and industry rank for Winston Medical Supply Co's OCF Margin % or its related term are showing as below:

ROCO:6817' s OCF Margin % Range Over the Past 10 Years
Min: 5.43   Med: 21.3   Max: 30.38
Current: 22.14


During the past 9 years, the highest OCF Margin % of Winston Medical Supply Co was 30.38%. The lowest was 5.43%. And the median was 21.30%.

ROCO:6817's OCF Margin % is ranked better than
81.33% of 959 companies
in the Drug Manufacturers industry
Industry Median: 9.94 vs ROCO:6817: 22.14


Winston Medical Supply Co OCF Margin % Related Terms


Winston Medical Supply Co OCF Margin % Historical Data

* Premium members only.

The historical data trend for Winston Medical Supply Co's OCF 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.

Winston Medical Supply Co OCF Margin % Chart

Winston Medical Supply Co Annual Data
Trend Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
OCF Margin %
Get a 7-Day Free Trial Premium Member Only 27.30 20.59 30.38 21.30 22.14

Winston Medical Supply Co Semi-Annual Data
Dec17 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
OCF Margin % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 32.33 21.22 21.39 18.38 26.08

ROCO:6817 vs ZTS, UTHR: OCF Margin % Comparison

For the Drug Manufacturers - Specialty & Generic subindustry, Winston Medical Supply Co's OCF Margin %, along with its competitors' market caps and OCF 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 OCF Margin % vs Drug Manufacturers Industry

For the Drug Manufacturers industry and Healthcare sector, Winston Medical Supply Co's OCF Margin % distribution charts can be found below:

* The bar in red indicates where Winston Medical Supply Co's OCF Margin % falls into.


ROCO:6817
85GF Score
Winston Medical Supply Co Ltd ROCO:6817
OCF Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Winston Medical Supply Co OCF Margin % Calculation

OCF Margin % is the ratio of Cash Flow from Operations divided by net sales or Revenue, usually presented in percent.

Winston Medical Supply Co's OCF Margin for the fiscal year that ended in Dec. 2025 is calculated as

OCF Margin=Cash Flow from Operations (A: Dec. 2025 )/Revenue (A: Dec. 2025 )
=154.972/700.074
=22.14 %

Winston Medical Supply Co's OCF Margin for the quarter that ended in Dec. 2025 is calculated as

OCF Margin=Cash Flow from Operations (Q: Dec. 2025 )/Revenue (Q: Dec. 2025 )
=89.013/341.249
=26.08 %

* 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.

Frequently Asked Questions Learn more about OCF Margin % →
What does a OCF Margin % of 26.08% mean?
Winston Medical Supply Co (ROCO:6817) has a OCF Margin % of 26.08% as of Dec. 2025. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Winston Medical Supply Co and its competitors. This is 22% above median its historical median of 21.30. Over the past decade, Winston Medical Supply Co's OCF Margin % has ranged from 5.43 to 30.38. According to the industry distribution chart, Winston Medical Supply Co ranks #179 out of 959 companies in the Drug Manufacturers industry, placing it in the top 18.7%.
Is Winston Medical Supply Co's OCF Margin % too high?
Winston Medical Supply Co's current OCF Margin % of 26.08% is 22% above median its 10-year median of 21.30. Over the past 10 years, this metric has ranged from a low of 5.43 to a high of 30.38. The Drug Manufacturers industry median OCF Margin % is 9.94. Winston Medical Supply Co's value of 26.08% is 162.4% above this industry median. Based on the distribution chart, Winston Medical Supply Co ranks #179 out of 959 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 OCF Margin % compare to ZTS and UTHR?
According to the Drug Manufacturers industry distribution chart, Winston Medical Supply Co ranks #179 out of 959 companies for OCF Margin %. This places Winston Medical Supply Co in the top 19% of its industry — outperforming the majority of peers. The industry median OCF Margin % is 9.94. Winston Medical Supply Co's value of 26.08% is 162.4% above this benchmark. Historically, Winston Medical Supply Co's own OCF Margin % has ranged from 5.43 to 30.38 over the past decade. While the company's 10-year median is 21.30 vs. the industry median of 9.94, 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 OCF Margin % for a Drug Manufacturers company?
The median OCF Margin % among Drug Manufacturers companies is 9.94, based on 959 companies in the industry. Companies in the top quartile (top 25%) have a OCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, OCF Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Winston Medical Supply Co's current OCF Margin % of 26.08% is 162.4% 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 OCF Margin % mean?
A high OCF Margin % can signal that a stock is expensive relative to its fundamentals. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Winston Medical Supply Co and its competitors. For the Drug Manufacturers industry, the median OCF Margin % is 9.94 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Winston Medical Supply Co's current OCF Margin % is 26.08%, which is 22% above median its own 10-year median of 21.30. 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$102.58, compared to a current price of NT$59.20 — trading 42.3% below its estimated fair value. The current OCF Margin % is 26.08%, which is 22% above median its 10-year median of 21.30 and 162.4% above the Drug Manufacturers industry median of 9.94. 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 OCF Margin % calculated?
OCF Margin % is calculated from a company's financial statements. For Winston Medical Supply Co (ROCO:6817), the current OCF Margin % is 26.08% 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$59.20 is trading 42.3% below its estimated GF Value™ of NT$102.58. GuruFocus considers Winston Medical Supply Co to be Significantly Undervalued.

Key valuation signals for ROCO:6817:

  • OCF Margin %: 26.08% (22% above median its 10-year median of 21.30)
  • GF Value™: NT$102.58 vs. price of NT$59.20 (42.3% below fair value)
  • GF Score™: 85/100 with 2 warning signs
  • Industry Position: 162.4% above the Drug Manufacturers median (#179 of 959)

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 Business Description

Address 117 Renai Street, Yanzhouli, Yongkang District, Tainan, TWN, 710
Winston Medical Supply Co Ltd is a manufacturer of medical products. It produces sterile ophthalmic preparations, hormone preparations and healthy products.
85GF Score

Get the complete analysis for ROCO:6817

OCF Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

NT$59.20
Price
NT$102.58
GF Value