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TristelLSE:TSTL +3.75%95 EV-to-OCF is 18.37 as of Sep. 04, 2026, which is 27% below its 10-year median of 25.26. GuruFocus rates LSE:TSTL with a GF Score™ of 95/100 and a GF Value™ of £5.06 (Modestly Undervalued). The stock has 4 warning signs investors should review. Among 851 Medical Devices & Instruments companies, Tristel ranks worse than 70.15% on this metric.
EV-to-OCF is calculated as enterprise value divided by its cash flow from operations. As of today, Tristel's Enterprise Value is £192.04 Mil.
Tristel's Cash Flow from Operations for the trailing twelve months (TTM) ended in Dec. 2025 was £10.45 Mil. Therefore, Tristel's EV-to-OCF for today is 18.37.
The historical rank and industry rank for Tristel's EV-to-OCF or its related term are showing as below:
LSE:TSTL'
s EV-to-OCF Range Over the Past 10 Years
Min: 11.42 Med: 25.26 Max: 45.57
Current: 18.37
During the past 13 years, the highest EV-to-OCF of Tristel was 45.57. The lowest was 11.42. And the median was 25.26.
LSE:TSTL's EV-to-OCF is ranked worse than 70.15% of 851
companies
in the Medical Devices & Instruments industry
Industry Median: 7.91
vs LSE:TSTL: 18.37
EV-to-OCF is a valuation multiple that allows analysts and investors to compare stocks, preferably in the same sector or industry. This important multiple is often used in conjunction with, or as an alternative to, the PE Ratio (TTM) to determine the fair market value of a company.
EV-to-OCF is a valuation multiple that allows analysts and investors to compare stocks, preferably in the same sector or industry. This important multiple is often used in conjunction with, or as an alternative to, the PE Ratio (TTM) to determine the fair market value of a company.
Tristel's share price for today is £4.15.
For company reported semi-annually, GuruFocus uses latest annual data as the TTM data. Tristel's Earnings per Share (Diluted) for the trailing twelve months (TTM) ended in Dec. 2025 was £0.163.
* 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.
Enterprise Value is used because it is a more complete measure in reflecting how much an investor pays when buying a company. Cash Flow from Operations is an important financial metric because it represents the cash generated from operating activities at a company's disposal. Companies with a low EV-to-OCF ratio, combined with a strong balance sheet are generally considered as undervalued.
Tristel EV-to-OCF Related Terms
Tristel EV-to-OCF Historical Data
* Premium members only.
The historical data trend for Tristel's EV-to-OCF 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, Tristel's EV-to-OCF, along with its competitors' market caps and EV-to-OCF 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.
Tristel EV-to-OCF vs Medical Devices & Instruments Industry
For the Medical Devices & Instruments industry and Healthcare sector, Tristel's EV-to-OCF distribution charts can be found below:
* The bar in red indicates where Tristel's EV-to-OCF falls into.
Tristel's current Enterprise Value is £192.04 Mil.
For company reported semi-annually, GuruFocus uses latest annual data as the TTM data. Tristel's Cash Flow from Operations for the trailing twelve months (TTM) ended in Dec. 2025 was £10.45 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.
Tristel (LSE:TSTL) has a EV-to-OCF of 18.37 as of Sep. 04, 2026. This is 27% below median its historical median of 25.26. Over the past decade, Tristel's EV-to-OCF has ranged from 11.42 to 45.57. According to the industry distribution chart, Tristel ranks #597 out of 851 companies in the Medical Devices & Instruments industry, placing it in the top 70.2%.
Is Tristel's EV-to-OCF too high?
Tristel's current EV-to-OCF of 18.37 is 27% below median its 10-year median of 25.26. Over the past 10 years, this metric has ranged from a low of 11.42 to a high of 45.57. The Medical Devices & Instruments industry median EV-to-OCF is 7.91. Tristel's value of 18.37 is 132.2% above this industry median. Based on the distribution chart, Tristel ranks #597 out of 851 companies in the Medical Devices & Instruments industry, which is below the industry midpoint. Overall, Tristel has a GF Score™ of 95/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Tristel's EV-to-OCF compare to ISRG and BDX?
According to the Medical Devices & Instruments industry distribution chart, Tristel ranks #597 out of 851 companies for EV-to-OCF. This places Tristel in the lower half of its industry. The industry median EV-to-OCF is 7.91. Tristel's value of 18.37 is 132.2% above this benchmark. Historically, Tristel's own EV-to-OCF has ranged from 11.42 to 45.57 over the past decade. While the company's 10-year median is 25.26 vs. the industry median of 7.91, Tristel 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 EV-to-OCF for a Medical Devices & Instruments company?
The median EV-to-OCF among Medical Devices & Instruments companies is 7.91, based on 851 companies in the industry. Companies in the top quartile (top 25%) have a EV-to-OCF significantly above this median, while those in the bottom quartile fall well below. However, EV-to-OCF should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Tristel's current EV-to-OCF of 18.37 is 132.2% 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 EV-to-OCF mean?
A high EV-to-OCF can signal that a stock is expensive relative to its fundamentals. For the Medical Devices & Instruments industry, the median EV-to-OCF is 7.91 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Tristel's current EV-to-OCF is 18.37, which is 27% below median its own 10-year median of 25.26. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Tristel stock overvalued right now?
Based on GuruFocus' analysis, Tristel (LSE:TSTL) is currently considered Modestly Undervalued. The stock's GF Value™ is £5.06, compared to a current price of £4.15 — trading 18% below its estimated fair value. The current EV-to-OCF is 18.37, which is 27% below median its 10-year median of 25.26 and 132.2% above the Medical Devices & Instruments industry median of 7.91. Tristel's overall GF Score™ is 95/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is EV-to-OCF calculated?
EV-to-OCF is calculated from a company's financial statements. For Tristel (LSE:TSTL), the current EV-to-OCF is 18.37 as of Sep. 04, 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.
Is Tristel (LSE:TSTL) Overvalued in 2026?
Based on GuruFocus' analysis, Tristel stock appears to be undervalued.
The current stock price of £4.15 is trading 18% below its estimated GF Value™ of £5.06.
GuruFocus considers Tristel to be Modestly Undervalued.
Key valuation signals for LSE:TSTL:
EV-to-OCF: 18.37 (27% below median its 10-year median of 25.26)
GF Value™: £5.06 vs. price of £4.15 (18% below fair value)
Industry Position: 132.2% above the Medical Devices & Instruments median (#597 of 851)
No single metric tells the full story. See the LSE:TSTL stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Tristel PLC's business is the sale to hospitals of its proprietary chlorine dioxide chemistry used for the decontamination of medical devices under the Tristel brand and for the sporicidal disinfection of environmental surfaces under the Cache brand. Its operating segments include hospital medical device decontamination products used predominantly for infection control in hospitals; the manufacture and sale of hospital environmental surface disinfection products; and pharmaceutical and personal care product manufacturing industries, veterinary and animal welfare. The company generates the majority of its revenue from hospital medical device decontamination and operates geographically in the UK and overseas markets.
95GF Score
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