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ZentekSTU:ZAY +0.88%37 EV-to-EBIT is -8.10 as of Aug. 29, 2026. GuruFocus rates STU:ZAY with a GF Score™ of 37/100. The stock has 5 warning signs investors should review. Among 480 Medical Devices & Instruments companies, Zentek ranks worse than 208333.13% on this metric.
EV-to-EBIT is calculated as Enterprise Value divided by its EBIT. As of today, Zentek's Enterprise Value is €51.31 Mil.
Zentek's EBIT for the trailing twelve months (TTM) ended in Jun. 2026 was €-6.34 Mil. Therefore, Zentek's EV-to-EBIT for today is -8.10.
The historical rank and industry rank for Zentek's EV-to-EBIT or its related term are showing as below:
STU:ZAY'
s EV-to-EBIT Range Over the Past 10 Years
Min: -81.73 Med: -5.92 Max: -1.82
Current: -8.13
During the past 13 years, the highest EV-to-EBIT of Zentek was -1.82. The lowest was -81.73. And the median was -5.92.
STU:ZAY's EV-to-EBIT is ranked worse than 100% of 480
companies
in the Medical Devices & Instruments industry
Industry Median: 18.86
vs STU:ZAY: -8.13
This is a more accurate valuation of companies' operation because it considers the debt and cash on its balance sheet, and non-operating items such as interest payment, tax, and one-time items are not included in the Operating Income.
Zentek's Enterprise Value for the quarter that ended in Jun. 2026 was €40.81 Mil.
Zentek's EBIT for the trailing twelve months (TTM) ended in Jun. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was €-6.34 Mil.
* 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 EV-to-EBIT Related Terms
Zentek EV-to-EBIT Historical Data
* Premium members only.
The historical data trend for Zentek's EV-to-EBIT 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 EV-to-EBIT, along with its competitors' market caps and EV-to-EBIT 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 EV-to-EBIT vs Medical Devices & Instruments Industry
For the Medical Devices & Instruments industry and Healthcare sector, Zentek's EV-to-EBIT distribution charts can be found below:
* The bar in red indicates where Zentek's EV-to-EBIT falls into.
Zentek's current Enterprise Value is €51.31 Mil.
Zentek's EBIT for the trailing twelve months (TTM) ended in Jun. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was €-6.34 Mil.
* 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 (STU:ZAY) has a EV-to-EBIT of -8.10 as of Aug. 29, 2026. EV to EBIT ratio is the inverse of Joel Greenblatt's earnings yield definition. View historical data on Zentek and its competitors. According to the industry distribution chart, Zentek ranks #999999 out of 480 companies in the Medical Devices & Instruments industry.
Is Zentek's EV-to-EBIT too high?
Zentek's current EV-to-EBIT is -8.10. Based on the distribution chart, Zentek ranks #999999 out of 480 companies in the Medical Devices & Instruments industry, which is in the bottom quartile relative to peers. Overall, Zentek has a GF Score™ of 37/100, reflecting its overall financial health beyond just this single metric.
How does Zentek's EV-to-EBIT compare to ISRG and BDX?
According to the Medical Devices & Instruments industry distribution chart, Zentek ranks #999999 out of 480 companies for EV-to-EBIT. This places Zentek in the lower half of its industry. The industry median EV-to-EBIT is 18.86. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good EV-to-EBIT for a Medical Devices & Instruments company?
The median EV-to-EBIT among Medical Devices & Instruments companies is 18.86, based on 480 companies in the industry. Companies in the top quartile (top 25%) have a EV-to-EBIT significantly above this median, while those in the bottom quartile fall well below. However, EV-to-EBIT 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 EV-to-EBIT mean?
A high EV-to-EBIT can signal that a stock is expensive relative to its fundamentals. EV to EBIT ratio is the inverse of Joel Greenblatt's earnings yield definition. View historical data on Zentek and its competitors. For the Medical Devices & Instruments industry, the median EV-to-EBIT is 18.86 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Zentek's current EV-to-EBIT is -8.10. 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 (STU:ZAY) has a current EV-to-EBIT of -8.10. The current EV-to-EBIT is -8.10. Zentek's overall GF Score™ is 37/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is EV-to-EBIT calculated?
EV-to-EBIT is calculated from a company's financial statements. For Zentek (STU:ZAY), the current EV-to-EBIT is -8.10 as of Aug. 29, 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.
37GF Score
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