TSNLF (Tristel) Effective Interest Rate on Debt %: 4.01% (As of Dec. 2025)

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TSNLF Tristel PLC TSNLF
95 GF Score
Price $5.28
GF Value $6.09
Valuation Modestly Undervalued
! 1 Warning Sign
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What is Tristel Effective Interest Rate on Debt %?

Tristel TSNLF 95 Effective Interest Rate on Debt % is 4.01% as of Dec. 2025. GuruFocus rates TSNLF with a GF Score™ of 95/100 and a GF Value™ of $6.09 (Modestly Undervalued). The stock has 1 warning sign 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. Tristel's annualized positive value of Interest Expense for the quarter that ended in Dec. 2025 was $0.32 Mil. Tristel's average total debt for the quarter that ended in Dec. 2025 was $7.89 Mil. Therefore, Tristel's annualized Effective Interest Rate on Debt % for the quarter that ended in Dec. 2025 was 4.01%.


Tristel  (OTCPK:TSNLF) Effective Interest Rate on Debt % Explanation

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


Tristel Effective Interest Rate on Debt % Related Terms


Tristel Effective Interest Rate on Debt % Historical Data

* Premium members only.

The historical data trend for Tristel'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.

Tristel Effective Interest Rate on Debt % Chart

Tristel Annual Data
Trend Jun16 Jun17 Jun18 Jun19 Jun20 Jun21 Jun22 Jun23 Jun24 Jun25
Effective Interest Rate on Debt %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 3.35 3.02 3.30 3.96 4.55

Tristel Semi-Annual Data
Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
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 2.42 5.12 4.96 3.92 4.01

TSNLF vs ISRG, BDX, MDLN: Effective Interest Rate on Debt % Comparison

For the Medical Instruments & Supplies subindustry, Tristel'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.


Tristel Effective Interest Rate on Debt % vs Medical Devices & Instruments Industry

For the Medical Devices & Instruments industry and Healthcare sector, Tristel's Effective Interest Rate on Debt % distribution charts can be found below:

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


TSNLF
95GF Score
Tristel PLC TSNLF
Effective Interest Rate on Debt % is just one metric. See GF Score™, valuation, warning signs, and more.
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Tristel Effective Interest Rate on Debt % Calculation

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

Effective Interest Rate on Debt %
=-1  *  Interest Expense/( (Total Debt  (A: Jun. 2024 )+Total Debt  (A: Jun. 2025 ))/ count )
=-1  *  -0.351/( (7.461+7.974)/ 2 )
=-1  *  -0.351/7.7175
=4.55 %

where

Total Debt  (A: Jun. 2024 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=6.145 + 1.316
=7.461

Total Debt  (A: Jun. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=6.429 + 1.545
=7.974

Tristel's annualized Effective Interest Rate on Debt % for the quarter that ended in Dec. 2025 is calculated as

Effective Interest Rate on Debt %
=-1  *  Interest Expense/( (Total Debt  (Q: Jun. 2025 )+Total Debt  (Q: Dec. 2025 ))/ count )
=-1  *  -0.316/( (7.974+7.797)/ 2 )
=-1  *  -0.316/7.8855
=4.01 %

where

Total Debt  (Q: Jun. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=6.429 + 1.545
=7.974

Total Debt  (Q: Dec. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=6.311 + 1.486
=7.797

* 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 (Dec. 2025) 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 4.01% mean?
Tristel (TSNLF) has a Effective Interest Rate on Debt % of 4.01% as of Dec. 2025. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on Tristel and its competitors.
Is Tristel's Effective Interest Rate on Debt % too high?
Tristel's current Effective Interest Rate on Debt % is 4.01%. 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 Effective Interest Rate on Debt % compare to ISRG and BDX?
Tristel's Effective Interest Rate on Debt % of 4.01% can be compared against companies in the Medical Devices & Instruments 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 a Medical Devices & Instruments company?
A good Effective Interest Rate on Debt % depends on the Medical Devices & Instruments 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 Tristel and its competitors. Tristel's current Effective Interest Rate on Debt % is 4.01%. 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 (TSNLF) is currently considered Modestly Undervalued. The stock's GF Value™ is $6.09, compared to a current price of $5.28 — trading 13.3% below its estimated fair value. The current Effective Interest Rate on Debt % is 4.01%. Tristel's overall GF Score™ is 95/100 with 1 warning sign 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 Tristel (TSNLF), the current Effective Interest Rate on Debt % is 4.01% as of Dec. 2025. 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 (TSNLF) Overvalued in 2026?

Based on GuruFocus' analysis, Tristel stock appears to be undervalued. The current stock price of $5.28 is trading 13.3% below its estimated GF Value™ of $6.09. GuruFocus considers Tristel to be Modestly Undervalued.

Key valuation signals for TSNLF:

  • Effective Interest Rate on Debt %: 4.01%
  • GF Value™: $6.09 vs. price of $5.28 (13.3% below fair value)
  • GF Score™: 95/100 with 1 warning sign

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


Tristel Business Description

Other Exchanges TSTL:UKR1V:Germany
Address Fordham Road, Unit 1B, Lynx Business Park, Newmarket, Snailwell, Cambridgeshire, GBR, CB8 7NY
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

Get the complete analysis for TSNLF

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

$5.28
Price
$6.09
GF Value