Porvair (CHIX:PRVL) Effective Interest Rate on Debt %: 6.78% (As of May. 2026)


CHIX:PRVL Porvair PLC CHIX:PRVL
96 GF Score
Price £8.18
GF Value £7.54
Valuation Fairly Valued
! 3 Warning Signs
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What is Porvair Effective Interest Rate on Debt %?

Porvair CHIX:PRVL +1.49% 96 Effective Interest Rate on Debt % is 6.78% as of May. 2026. GuruFocus rates CHIX:PRVL with a GF Score™ of 96/100 and a GF Value™ of £7.54 (Fairly Valued). The stock has 3 warning signs investors should review.

Effective Interest Rate on Debt % is the usage rate that a borrower actually pays on a debt. It is calculated as the positive value of Interest Expense divided by its average total debt. Total debt equals to Long-Term Debt & Capital Lease Obligation plus Short-Term Debt & Capital Lease Obligation. Porvair's annualized positive value of Interest Expense for the quarter that ended in May. 2026 was £1.3 Mil. Porvair's average total debt for the quarter that ended in May. 2026 was £19.8 Mil. Therefore, Porvair's annualized Effective Interest Rate on Debt % for the quarter that ended in May. 2026 was 6.78%.


Porvair  (CHIX:PRVl) Effective Interest Rate on Debt % Explanation

Effective Interest Rate on Debt % measures the usage rate that a borrower actually pays on a debt.


Porvair Effective Interest Rate on Debt % Related Terms


Porvair Effective Interest Rate on Debt % Historical Data

* Premium members only.

The historical data trend for Porvair's Effective Interest Rate on Debt % 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 Effective Interest Rate on Debt % Chart

Porvair Annual Data
Trend Nov16 Nov17 Nov18 Nov19 Nov20 Nov21 Nov22 Nov23 Nov24 Nov25
Effective Interest Rate on Debt %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 4.17 6.16 6.59 8.98 6.06

Porvair Semi-Annual Data
Nov16 May17 Nov17 May18 Nov18 May19 Nov19 May20 Nov20 May21 Nov21 May22 Nov22 May23 Nov23 May24 Nov24 May25 Nov25 May26
Effective Interest Rate on Debt % 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 9.00 4.89 7.00 5.37 6.78

CHIX:PRVL vs VLTO, ZWS, CECO: Effective Interest Rate on Debt % Comparison

For the Pollution & Treatment Controls subindustry, Porvair's Effective Interest Rate on Debt %, along with its competitors' market caps and Effective Interest Rate on Debt % 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 Effective Interest Rate on Debt % vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, Porvair's Effective Interest Rate on Debt % distribution charts can be found below:

* The bar in red indicates where Porvair's Effective Interest Rate on Debt % falls into.


CHIX:PRVL
96GF Score
Porvair PLC CHIX:PRVL
Effective Interest Rate on Debt % is just one metric. See GF Score™, valuation, warning signs, and more.
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Porvair Effective Interest Rate on Debt % Calculation

Porvair's annualized Effective Interest Rate on Debt % for the fiscal year that ended in Nov. 2025 is calculated as

Effective Interest Rate on Debt %
=-1  *  Interest Expense/( (Total Debt  (A: Nov. 2024 )+Total Debt  (A: Nov. 2025 ))/ count )
=-1  *  -1.03/( (19.553+14.431)/ 2 )
=-1  *  -1.03/16.992
=6.06 %

where

Total Debt  (A: Nov. 2024 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=14.969 + 4.584
=19.553

Total Debt  (A: Nov. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=11.986 + 2.445
=14.431

Porvair's annualized Effective Interest Rate on Debt % for the quarter that ended in May. 2026 is calculated as

Effective Interest Rate on Debt %
=-1  *  Interest Expense/( (Total Debt  (Q: Nov. 2025 )+Total Debt  (Q: May. 2026 ))/ count )
=-1  *  -1.34/( (14.431+25.113)/ 2 )
=-1  *  -1.34/19.772
=6.78 %

where

Total Debt  (Q: Nov. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=11.986 + 2.445
=14.431

Total Debt  (Q: May. 2026 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=11.971 + 13.142
=25.113

* 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.

In the calculation of annual Effective Interest Rate on Debt %, the Interest Expense of the last fiscal year and the average total debt over the fiscal year are used. In calculating the quarterly data, the Interest Expense data used here is two times the semi-annual (May. 2026) interest expense data. Effective Interest Rate on Debt % is displayed in the 30-year financial page.

What does a Effective Interest Rate on Debt % of 6.78% mean?
Porvair (CHIX:PRVL) has a Effective Interest Rate on Debt % of 6.78% as of May. 2026. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on Porvair and its competitors.
Is Porvair's Effective Interest Rate on Debt % too high?
Porvair's current Effective Interest Rate on Debt % is 6.78%. Overall, Porvair has a GF Score™ of 96/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Porvair's Effective Interest Rate on Debt % compare to VLTO and ZWS?
Porvair's Effective Interest Rate on Debt % of 6.78% can be compared against companies in the Industrial Products industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Effective Interest Rate on Debt % for an Industrial Products company?
A good Effective Interest Rate on Debt % depends on the Industrial Products industry context. However, Effective Interest Rate on Debt % 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 Effective Interest Rate on Debt % mean?
A high Effective Interest Rate on Debt % can signal that a stock is expensive relative to its fundamentals. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on Porvair and its competitors. Porvair's current Effective Interest Rate on Debt % is 6.78%. 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 (CHIX:PRVL) is currently considered Fairly Valued. The stock's GF Value™ is £7.54, compared to a current price of £8.18 — trading 8.5% above its estimated fair value. The current Effective Interest Rate on Debt % is 6.78%. Porvair's overall GF Score™ is 96/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Effective Interest Rate on Debt % calculated?
Effective Interest Rate on Debt % is calculated from a company's financial statements. For Porvair (CHIX:PRVL), the current Effective Interest Rate on Debt % is 6.78% as of May. 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 (CHIX:PRVL) Overvalued in 2026?

Based on GuruFocus' analysis, Porvair stock appears to be overvalued. The current stock price of £8.18 is trading 8.5% above its estimated GF Value™ of £7.54. GuruFocus considers Porvair to be Fairly Valued.

Key valuation signals for CHIX:PRVL:

  • Effective Interest Rate on Debt %: 6.78%
  • GF Value™: £7.54 vs. price of £8.18 (8.5% above fair value)
  • GF Score™: 96/100 with 3 warning signs

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


Porvair Business Description

Other Exchanges PVARF:USAPRV: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.
96GF Score

Get the complete analysis for CHIX:PRVL

Effective Interest Rate on Debt % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

£8.18
Price
£7.54
GF Value