Oxford Nanopore Technologies (CHIX:ONTL) Effective Interest Rate on Debt %: 6.54% (As of Dec. 2025)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

CHIX:ONTL Oxford Nanopore Technologies PLC CHIX:ONTL
71 GF Score
Price £1.12
GF Value £1.86
Valuation Significantly Undervalued
! 2 Warning Signs
View Full Analysis

What is Oxford Nanopore Technologies Effective Interest Rate on Debt %?

Oxford Nanopore Technologies CHIX:ONTL -3.16% 71 Effective Interest Rate on Debt % is 6.54% as of Dec. 2025. GuruFocus rates CHIX:ONTL with a GF Score™ of 71/100 and a GF Value™ of £1.86 (Significantly Undervalued). The stock has 2 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. Oxford Nanopore Technologies's annualized positive value of Interest Expense for the quarter that ended in Dec. 2025 was £2.8 Mil. Oxford Nanopore Technologies's average total debt for the quarter that ended in Dec. 2025 was £42.8 Mil. Therefore, Oxford Nanopore Technologies's annualized Effective Interest Rate on Debt % for the quarter that ended in Dec. 2025 was 6.54%.


Oxford Nanopore Technologies  (CHIX:ONTl) Effective Interest Rate on Debt % Explanation

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


Oxford Nanopore Technologies Effective Interest Rate on Debt % Related Terms


Oxford Nanopore Technologies Effective Interest Rate on Debt % Historical Data

* Premium members only.

The historical data trend for Oxford Nanopore Technologies'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.

Oxford Nanopore Technologies Effective Interest Rate on Debt % Chart

Oxford Nanopore Technologies Annual Data
Trend Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Effective Interest Rate on Debt %
Get a 7-Day Free Trial 3.75 5.53 5.82 8.21 6.40

Oxford Nanopore Technologies Semi-Annual Data
Dec18 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 6.12 9.05 6.90 6.22 6.54

CHIX:ONTL vs VRTX, REGN, ALNY: Effective Interest Rate on Debt % Comparison

For the Biotechnology subindustry, Oxford Nanopore Technologies'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.


Oxford Nanopore Technologies Effective Interest Rate on Debt % vs Biotechnology Industry

For the Biotechnology industry and Healthcare sector, Oxford Nanopore Technologies's Effective Interest Rate on Debt % distribution charts can be found below:

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


CHIX:ONTL
71GF Score
Oxford Nanopore Technologies PLC CHIX:ONTL
Effective Interest Rate on Debt % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Oxford Nanopore Technologies Effective Interest Rate on Debt % Calculation

Oxford Nanopore Technologies's annualized Effective Interest Rate on Debt % for the fiscal year that ended in Dec. 2025 is calculated as

Effective Interest Rate on Debt %
=-1  *  Interest Expense/( (Total Debt  (A: Dec. 2024 )+Total Debt  (A: Dec. 2025 ))/ count )
=-1  *  -2.8/( (46+41.5)/ 2 )
=-1  *  -2.8/43.75
=6.40 %

where

Oxford Nanopore Technologies'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  *  -2.8/( (44.1+41.5)/ 2 )
=-1  *  -2.8/42.8
=6.54 %

where

* 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 6.54% mean?
Oxford Nanopore Technologies (CHIX:ONTL) has a Effective Interest Rate on Debt % of 6.54% as of Dec. 2025. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on Oxford Nanopore Technologies and its competitors.
Is Oxford Nanopore Technologies' Effective Interest Rate on Debt % too high?
Oxford Nanopore Technologies' current Effective Interest Rate on Debt % is 6.54%. Overall, Oxford Nanopore Technologies has a GF Score™ of 71/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Oxford Nanopore Technologies' Effective Interest Rate on Debt % compare to VRTX and REGN?
Oxford Nanopore Technologies' Effective Interest Rate on Debt % of 6.54% can be compared against companies in the Biotechnology 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 Biotechnology company?
A good Effective Interest Rate on Debt % depends on the Biotechnology 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 Oxford Nanopore Technologies and its competitors. Oxford Nanopore Technologies's current Effective Interest Rate on Debt % is 6.54%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Oxford Nanopore Technologies stock overvalued right now?
Based on GuruFocus' analysis, Oxford Nanopore Technologies (CHIX:ONTL) is currently considered Significantly Undervalued. The stock's GF Value™ is £1.86, compared to a current price of £1.12 — trading 39.9% below its estimated fair value. The current Effective Interest Rate on Debt % is 6.54%. Oxford Nanopore Technologies' overall GF Score™ is 71/100 with 2 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 Oxford Nanopore Technologies (CHIX:ONTL), the current Effective Interest Rate on Debt % is 6.54% 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 Oxford Nanopore Technologies (CHIX:ONTL) Overvalued in 2026?

Based on GuruFocus' analysis, Oxford Nanopore Technologies stock appears to be undervalued. The current stock price of £1.12 is trading 39.9% below its estimated GF Value™ of £1.86. GuruFocus considers Oxford Nanopore Technologies to be Significantly Undervalued.

Key valuation signals for CHIX:ONTL:

  • Effective Interest Rate on Debt %: 6.54%
  • GF Value™: £1.86 vs. price of £1.12 (39.9% below fair value)
  • GF Score™: 71/100 with 2 warning signs

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


Oxford Nanopore Technologies Business Description

Address Edmund Halley Road, Gosling Building, Oxford Science Park, Oxford, Oxfordshire, GBR, OX4 4DQ
Oxford Nanopore Technologies PLC is involved in researching, developing, manufacturing and commercializing deoxyribonucleic acid (DNA) or ribonucleic acid (RNA) sequencing technology that provides rich data, is fast, accessible and easy to use, and which allows the real-time analysis of DNA or RNA. It has developed and brought to market a new generation molecular sensing platform based on nanopores. The first application is DNA/RNA sequencing and the platform is also being developed for the analysis of proteins and metabolites. It operates in single segment of providing products and services related to the sale and use of its nanopore-based sensing technology. Geographically its operations are spread across EMES, AMR, and APAC.
71GF Score

Get the complete analysis for CHIX:ONTL

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

£1.12
Price
£1.86
GF Value