Porvair (LSE:PRV) OCF Yield %: 6.08 (As of Jun. 28, 2026) — Near Median


LSE:PRV Porvair PLC LSE:PRV
94 GF Score
Price £8.50
GF Value £7.57
Valuation Modestly Overvalued
! 5 Warning Signs
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What is Porvair OCF Yield %?

Porvair LSE:PRV +4.17% 94 OCF Yield % is 6.08 as of Jun. 28, 2026, which is 7% above its 10-year median of 5.69. GuruFocus rates LSE:PRV with a GF Score™ of 94/100 and a GF Value™ of £7.57 (Modestly Overvalued). The stock has 5 warning signs investors should review. Among 3,069 Industrial Products companies, Porvair ranks better than 67.81% on this metric.

OCF Yield % is calculated as Cash Flow from Operations divided by Market Capitalization. It is a financial solvency ratio that compares the operating cash flow a company is expected to earn against its market value.

As of today, Porvair's Trailing 12-Month Cash Flow from Operations is £23.8 Mil, and Market Cap is £391.8 Mil. Therefore, Porvair's OCF Yield % for today is 6.08%.

The historical rank and industry rank for Porvair's OCF Yield % or its related term are showing as below:

LSE:PRV' s OCF Yield % Range Over the Past 10 Years
Min: 3.23   Med: 5.69   Max: 7.6
Current: 6.08


During the past 13 years, the highest OCF Yield % of Porvair was 7.60%. The lowest was 3.23%. And the median was 5.69%.

LSE:PRV's OCF Yield % is ranked better than
67.81% of 3069 companies
in the Industrial Products industry
Industry Median: 2.95 vs LSE:PRV: 6.08

Porvair's OCF Margin % for the quarter that ended in Nov. 2025 was %.


Porvair OCF Yield % Explanation

Similar to Earnings Yield %, OCF Yield % is financial solvency ratio. A lower ratio suggests a less attractive investment, indicating that investors might not receive substantial returns in proportion to their investment. Conversely, a high operating cash flow yield signals that a company generates sufficient cash to comfortably meet its debts, obligations, and dividend payments, making it a promising investment choice.


Porvair OCF Yield % Related Terms


Porvair OCF Yield % Historical Data

* Premium members only.

The historical data trend for Porvair's OCF Yield % 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.

Porvair OCF Yield % Chart

Porvair Annual Data
Trend Nov16 Nov17 Nov18 Nov19 Nov20 Nov21 Nov22 Nov23 Nov24 Nov25
OCF Yield %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 5.08 7.28 7.66 7.13 6.38

Porvair Semi-Annual Data
May16 Nov16 May17 Nov17 May18 Nov18 May19 Nov19 May20 Nov20 May21 Nov21 May22 Nov22 May23 Nov23 May24 Nov24 May25 Nov25
OCF Yield % 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 Premium Member Only Premium Member Only Premium Member Only Premium Member Only 10.86 3.01 10.99 4.23 8.52

LSE:PRV vs VLTO, ZWS, CECO: OCF Yield % Comparison

For the Pollution & Treatment Controls subindustry, Porvair's OCF Yield %, along with its competitors' market caps and OCF Yield % 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.


Porvair OCF Yield % vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, Porvair's OCF Yield % distribution charts can be found below:

* The bar in red indicates where Porvair's OCF Yield % falls into.


LSE:PRV
94GF Score
Porvair PLC LSE:PRV
OCF Yield % is just one metric. See GF Score™, valuation, warning signs, and more.
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Porvair OCF Yield % Calculation

OCF Yield % is a financial solvency ratio that compares the operating cash flow a company is expected to earn against its market value.

Porvair's OCF Yield % for the fiscal year that ended in Nov. 2025 is calculated as

OCF Yield %=Cash Flow from Operations / Market Cap
=23.833 / 373.3371
=6.38%

Porvair's annualized OCF Yield % for the quarter that ended in Nov. 2025 is calculated as

OCF Yield %=Cash Flow from Operations * Annualized Factor / Market Cap
=15.897 * 2 / 373.3371
=8.52%

* 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 Yield % →
What does a OCF Yield % of 6.08 mean?
Porvair (LSE:PRV) has a OCF Yield % of 6.08 as of Jun. 28, 2026. OCF Yield is calculated as Cash Flow from Operations divided by Market Capitalization. View historical data on Porvair and its competitors. This is near median its historical median of 5.69. Over the past decade, Porvair's OCF Yield % has ranged from 3.23 to 7.60. According to the industry distribution chart, Porvair ranks #988 out of 3069 companies in the Industrial Products industry, placing it in the top 32.2%.
Is Porvair's OCF Yield % too high?
Porvair's current OCF Yield % of 6.08 is near median its 10-year median of 5.69. Over the past 10 years, this metric has ranged from a low of 3.23 to a high of 7.60. The Industrial Products industry median OCF Yield % is 2.95. Porvair's value of 6.08 is 106.1% above this industry median. Based on the distribution chart, Porvair ranks #988 out of 3069 companies in the Industrial Products industry, which is above the industry midpoint. Overall, Porvair has a GF Score™ of 94/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Porvair's OCF Yield % compare to VLTO and ZWS?
According to the Industrial Products industry distribution chart, Porvair ranks #988 out of 3069 companies for OCF Yield %. This puts Porvair in the upper half of its industry. The industry median OCF Yield % is 2.95. Porvair's value of 6.08 is 106.1% above this benchmark. Historically, Porvair's own OCF Yield % has ranged from 3.23 to 7.60 over the past decade. While the company's 10-year median is 5.69 vs. the industry median of 2.95, Porvair 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 Yield % for an Industrial Products company?
The median OCF Yield % among Industrial Products companies is 2.95, based on 3,069 companies in the industry. Companies in the top quartile (top 25%) have a OCF Yield % significantly above this median, while those in the bottom quartile fall well below. However, OCF Yield % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Porvair's current OCF Yield % of 6.08 is 106.1% 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 Yield % mean?
A high OCF Yield % can signal that a stock is expensive relative to its fundamentals. OCF Yield is calculated as Cash Flow from Operations divided by Market Capitalization. View historical data on Porvair and its competitors. For the Industrial Products industry, the median OCF Yield % is 2.95 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Porvair's current OCF Yield % is 6.08, which is near median its own 10-year median of 5.69. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Porvair stock overvalued right now?
Based on GuruFocus' analysis, Porvair (LSE:PRV) is currently considered Modestly Overvalued. The stock's GF Value™ is £7.57, compared to a current price of £8.50 — trading 12.3% above its estimated fair value. The current OCF Yield % is 6.08, which is near median its 10-year median of 5.69 and 106.1% above the Industrial Products industry median of 2.95. Porvair's overall GF Score™ is 94/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is OCF Yield % calculated?
OCF Yield % is calculated from a company's financial statements. For Porvair (LSE:PRV), the current OCF Yield % is 6.08 as of Jun. 28, 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 Porvair (LSE:PRV) Overvalued in 2026?

Based on GuruFocus' analysis, Porvair stock appears to be overvalued. The current stock price of £8.50 is trading 12.3% above its estimated GF Value™ of £7.57. GuruFocus considers Porvair to be Modestly Overvalued.

Key valuation signals for LSE:PRV:

  • OCF Yield %: 6.08 (near median its 10-year median of 5.69)
  • GF Value™: £7.57 vs. price of £8.50 (12.3% above fair value)
  • GF Score™: 94/100 with 5 warning signs
  • Industry Position: 106.1% above the Industrial Products median (#988 of 3069)

No single metric tells the full story. See the LSE:PRV stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Porvair Business Description

Other Exchanges PVARF:USAPRVl:UK
Address 7 Regis Place, Bergen Way, King\'s Lynn, Norfolk, GBR, PE30 2JN
Porvair PLC is an environmental treatment control company. It develops filtration solutions to be used by various types of industries. The company caters to its clients through three divisions: Aerospace and Industrial, Laboratory, and Metal Melt Quality. The Aerospace and Industrial Division is a key revenue generator, principally serving the aviation, energy, and industrial markets. Laboratory Division principally serving the bioscience and environmental laboratory instrument and consumables market. Metal Melt Quality Division principally serves the world aluminium, North American Free Trade Agreement (NAFTA), iron foundry, and superalloys markets. The company generates the majority of its manufacturing revenue from sales in the United States.
94GF Score

Get the complete analysis for LSE:PRV

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

£8.50
Price
£7.57
GF Value