Tullow Oil (CHIX:TLWL) Effective Interest Rate on Debt %: 12.72% (As of Dec. 2025)

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CHIX:TLWL Tullow Oil PLC CHIX:TLWL
44 GF Score
Price £0.13
GF Value £0.13
Valuation Fairly Valued
! 5 Warning Signs
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What is Tullow Oil Effective Interest Rate on Debt %?

Tullow Oil CHIX:TLWL -0.30% 44 Effective Interest Rate on Debt % is 12.72% as of Dec. 2025. GuruFocus rates CHIX:TLWL with a GF Score™ of 44/100 and a GF Value™ of £0.13 (Fairly Valued). The stock has 5 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. Tullow Oil's annualized positive value of Interest Expense for the quarter that ended in Dec. 2025 was £223.2 Mil. Tullow Oil's average total debt for the quarter that ended in Dec. 2025 was £1,755.1 Mil. Therefore, Tullow Oil's annualized Effective Interest Rate on Debt % for the quarter that ended in Dec. 2025 was 12.72%.


Tullow Oil  (CHIX:TLWl) Effective Interest Rate on Debt % Explanation

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


Tullow Oil Effective Interest Rate on Debt % Related Terms


Tullow Oil Effective Interest Rate on Debt % Historical Data

* Premium members only.

The historical data trend for Tullow Oil'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.

Tullow Oil Effective Interest Rate on Debt % Chart

Tullow Oil Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Effective Interest Rate on Debt %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 8.35 9.75 9.95 11.98 12.30

Tullow Oil 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 11.03 12.18 12.05 12.33 12.72

CHIX:TLWL vs COP, EOG, FANG: Effective Interest Rate on Debt % Comparison

For the Oil & Gas E&P subindustry, Tullow Oil'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.


Tullow Oil Effective Interest Rate on Debt % vs Oil & Gas Industry

For the Oil & Gas industry and Energy sector, Tullow Oil's Effective Interest Rate on Debt % distribution charts can be found below:

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


CHIX:TLWL
44GF Score
Tullow Oil PLC CHIX:TLWL
Effective Interest Rate on Debt % is just one metric. See GF Score™, valuation, warning signs, and more.
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Tullow Oil Effective Interest Rate on Debt % Calculation

Tullow Oil'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  *  -235.529/( (2142.581+1686.352)/ 2 )
=-1  *  -235.529/1914.4665
=12.30 %

where

Total Debt  (A: Dec. 2024 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=1556.213 + 586.368
=2142.581

Total Debt  (A: Dec. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=610.971 + 1075.381
=1686.352

Tullow Oil'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  *  -223.204/( (1823.854+1686.352)/ 2 )
=-1  *  -223.204/1755.103
=12.72 %

where

Total Debt  (Q: Jun. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=657.257 + 1166.597
=1823.854

Total Debt  (Q: Dec. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=610.971 + 1075.381
=1686.352

* 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 12.72% mean?
Tullow Oil (CHIX:TLWL) has a Effective Interest Rate on Debt % of 12.72% as of Dec. 2025. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on Tullow Oil and its competitors.
Is Tullow Oil's Effective Interest Rate on Debt % too high?
Tullow Oil's current Effective Interest Rate on Debt % is 12.72%. Overall, Tullow Oil has a GF Score™ of 44/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Tullow Oil's Effective Interest Rate on Debt % compare to COP and EOG?
Tullow Oil's Effective Interest Rate on Debt % of 12.72% can be compared against companies in the Oil & Gas 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 Oil & Gas company?
A good Effective Interest Rate on Debt % depends on the Oil & Gas 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 Tullow Oil and its competitors. Tullow Oil's current Effective Interest Rate on Debt % is 12.72%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Tullow Oil stock overvalued right now?
Based on GuruFocus' analysis, Tullow Oil (CHIX:TLWL) is currently considered Fairly Valued. The stock's GF Value™ is £0.13, compared to a current price of £0.13 — trading 3.2% above its estimated fair value. The current Effective Interest Rate on Debt % is 12.72%. Tullow Oil's overall GF Score™ is 44/100 with 5 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 Tullow Oil (CHIX:TLWL), the current Effective Interest Rate on Debt % is 12.72% 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 Tullow Oil (CHIX:TLWL) Overvalued in 2026?

Based on GuruFocus' analysis, Tullow Oil stock appears to be overvalued. The current stock price of £0.13 is trading 3.2% above its estimated GF Value™ of £0.13. GuruFocus considers Tullow Oil to be Fairly Valued.

Key valuation signals for CHIX:TLWL:

  • Effective Interest Rate on Debt %: 12.72%
  • GF Value™: £0.13 vs. price of £0.13 (3.2% above fair value)
  • GF Score™: 44/100 with 5 warning signs

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


Tullow Oil Business Description

Industry EnergyOil & Gas
Address 566 Chiswick High Road, Building 9 Chiswick Park, London, GBR, W4 5XT
Tullow Oil PLC is an independent oil and gas exploration and production company. The company conducts exploration, appraisal, and development activities in the African and Atlantic regions. The majority of revenue is derived from West African assets, with a focus on offshore fields. Assets used in oil and gas production are acquired through licenses. The company generates revenue from natural gas and crude oil sales. Its reportable segments are: Ghana, which generates key revenue, and the other segment.
44GF Score

Get the complete analysis for CHIX:TLWL

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

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