ZentekZTEK +23.63%16 OCF Margin % is -1,985.19% as of Mar. 2026. GuruFocus rates ZTEK with a GF Score™ of 16/100. The stock has 6 warning signs investors should review. Among 815 Medical Devices & Instruments companies, Zentek ranks worse than 93.01% on this metric.
OCF Margin % is calculated as Cash Flow from Operations divided by its Revenue. Zentek's Cash Flow from Operations for the
three
months ended in Mar. 2026 was $-0.54 Mil. Zentek's Revenue for the
three
months ended in Mar. 2026 was $0.03 Mil. Therefore, Zentek's OCF Margin % for the quarter that ended in Mar. 2026 was -1,985.19%.
The historical rank and industry rank for Zentek's OCF Margin % or its related term are showing as below:
ZTEK'
s OCF Margin % Range Over the Past 10 Years
Min: -26840 Med: -3053.61 Max: -720.41
Current: -3070
During the past 13 years, the highest OCF Margin % of Zentek was -720.41%. The lowest was -26840.00%. And the median was -3053.61%.
ZTEK's OCF Margin % is ranked worse than 93.01% of 815
companies
in the Medical Devices & Instruments industry
Industry Median: 5.86
vs ZTEK: -3070.00
Zentek OCF Margin % Related Terms
Zentek OCF Margin % Historical Data
* Premium members only.
The historical data trend for Zentek'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.
For the Medical Instruments & Supplies subindustry, Zentek'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.
Zentek OCF Margin % vs Medical Devices & Instruments Industry
For the Medical Devices & Instruments industry and Healthcare sector, Zentek's OCF Margin % distribution charts can be found below:
* The bar in red indicates where Zentek's OCF 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.
Zentek (ZTEK) has a OCF Margin % of -1,985.19% as of Mar. 2026. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Zentek and its competitors. According to the industry distribution chart, Zentek ranks #758 out of 815 companies in the Medical Devices & Instruments industry, placing it in the top 93%.
Is Zentek's OCF Margin % too high?
Zentek's current OCF Margin % is -1,985.19%. Based on the distribution chart, Zentek ranks #758 out of 815 companies in the Medical Devices & Instruments industry, which is in the bottom quartile relative to peers. Overall, Zentek has a GF Score™ of 16/100, reflecting its overall financial health beyond just this single metric.
How does Zentek's OCF Margin % compare to ISRG and BDX?
According to the Medical Devices & Instruments industry distribution chart, Zentek ranks #758 out of 815 companies for OCF Margin %. This places Zentek in the lower half of its industry. The industry median OCF Margin % is 5.86. 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 Medical Devices & Instruments company?
The median OCF Margin % among Medical Devices & Instruments companies is 5.86, based on 815 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. 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 Zentek and its competitors. For the Medical Devices & Instruments industry, the median OCF Margin % is 5.86 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Zentek's current OCF Margin % is -1,985.19%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Zentek stock overvalued right now?
Zentek (ZTEK) has a current OCF Margin % of -1,985.19%. The current OCF Margin % is -1,985.19%. Zentek's overall GF Score™ is 16/100 with 6 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 Zentek (ZTEK), the current OCF Margin % is -1,985.19% as of Mar. 2026. 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.
Zentek Ltd is an IP development and commercialization company focused on next-gen healthcare solutions in the areas of prevention, detection, and treatment. It is focused on commercializing ZENGuard, a patent-pending coating with 99% antimicrobial activity, including against COVID-19, and the potential to use similar compounds as pharmaceutical products against infectious diseases.
16GF Score
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