Vulcan Energy Resources (ASX:VUL) Effective Interest Rate on Debt %: 13.23% (As of Dec. 2025)

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ASX:VUL Vulcan Energy Resources Ltd ASX:VUL
54 GF Score
Price A$2.69
GF Value A$3.51
Valuation Modestly Undervalued
! 2 Warning Signs
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What is Vulcan Energy Resources Effective Interest Rate on Debt %?

Vulcan Energy Resources ASX:VUL -3.24% 54 Effective Interest Rate on Debt % is 13.23% as of Dec. 2025. GuruFocus rates ASX:VUL with a GF Score™ of 54/100 and a GF Value™ of A$3.51 (Modestly 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. Vulcan Energy Resources's annualized positive value of Interest Expense for the quarter that ended in Dec. 2025 was A$4.46 Mil. Vulcan Energy Resources's average total debt for the quarter that ended in Dec. 2025 was A$33.73 Mil. Therefore, Vulcan Energy Resources's annualized Effective Interest Rate on Debt % for the quarter that ended in Dec. 2025 was 13.23%.


Vulcan Energy Resources  (ASX:VUL) Effective Interest Rate on Debt % Explanation

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


Vulcan Energy Resources Effective Interest Rate on Debt % Related Terms


Vulcan Energy Resources Effective Interest Rate on Debt % Historical Data

* Premium members only.

The historical data trend for Vulcan Energy Resources'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.

Vulcan Energy Resources Effective Interest Rate on Debt % Chart

Vulcan Energy Resources Annual Data
Trend Jun19 Jun20 Jun21 Jun22 Dec23 Dec24 Dec25
Effective Interest Rate on Debt %
Get a 7-Day Free Trial 0.00 0.00 4.78 4.22 8.22

Vulcan Energy Resources Semi-Annual Data
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 2.47 4.19 4.29 5.03 13.23

Vulcan Energy Resources Effective Interest Rate on Debt % Competitor Comparison

For the Other Industrial Metals & Mining subindustry, Vulcan Energy Resources'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.


Vulcan Energy Resources Effective Interest Rate on Debt % vs Metals & Mining Industry

For the Metals & Mining industry and Basic Materials sector, Vulcan Energy Resources's Effective Interest Rate on Debt % distribution charts can be found below:

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


ASX:VUL
54GF Score
Vulcan Energy Resources Ltd ASX:VUL
Effective Interest Rate on Debt % is just one metric. See GF Score™, valuation, warning signs, and more.
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Vulcan Energy Resources Effective Interest Rate on Debt % Calculation

Vulcan Energy Resources'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  *  -2.48/( (6.369+53.947)/ 2 )
=-1  *  -2.48/30.158
=8.22 %

where

Total Debt  (A: Dec. 2024 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=5.094 + 1.275
=6.369

Total Debt  (A: Dec. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=50.516 + 3.431
=53.947

Vulcan Energy Resources'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  *  -4.462/( (13.508+53.947)/ 2 )
=-1  *  -4.462/33.7275
=13.23 %

where

Total Debt  (Q: Jun. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=11.533 + 1.975
=13.508

Total Debt  (Q: Dec. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=50.516 + 3.431
=53.947

* 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 13.23% mean?
Vulcan Energy Resources (ASX:VUL) has a Effective Interest Rate on Debt % of 13.23% as of Dec. 2025. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on Vulcan Energy Resources and its competitors.
Is Vulcan Energy Resources' Effective Interest Rate on Debt % too high?
Vulcan Energy Resources' current Effective Interest Rate on Debt % is 13.23%. Overall, Vulcan Energy Resources has a GF Score™ of 54/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Vulcan Energy Resources' Effective Interest Rate on Debt % compare to competitors?
Vulcan Energy Resources' Effective Interest Rate on Debt % of 13.23% can be compared against companies in the Metals & Mining 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 Metals & Mining company?
A good Effective Interest Rate on Debt % depends on the Metals & Mining 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 Vulcan Energy Resources and its competitors. Vulcan Energy Resources's current Effective Interest Rate on Debt % is 13.23%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Vulcan Energy Resources stock overvalued right now?
Based on GuruFocus' analysis, Vulcan Energy Resources (ASX:VUL) is currently considered Modestly Undervalued. The stock's GF Value™ is A$3.51, compared to a current price of A$2.69 — trading 23.4% below its estimated fair value. The current Effective Interest Rate on Debt % is 13.23%. Vulcan Energy Resources' overall GF Score™ is 54/100 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 Vulcan Energy Resources (ASX:VUL), the current Effective Interest Rate on Debt % is 13.23% 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 Vulcan Energy Resources (ASX:VUL) Overvalued in 2026?

Based on GuruFocus' analysis, Vulcan Energy Resources stock appears to be undervalued. The current stock price of A$2.69 is trading 23.4% below its estimated GF Value™ of A$3.51. GuruFocus considers Vulcan Energy Resources to be Modestly Undervalued.

Key valuation signals for ASX:VUL:

  • Effective Interest Rate on Debt %: 13.23%
  • GF Value™: A$3.51 vs. price of A$2.69 (23.4% below fair value)
  • GF Score™: 54/100 with 2 warning signs

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


Vulcan Energy Resources Business Description

Other Exchanges VULNF:USAVUL:Germany
Address 1 Spring Street, Level 11, Perth, WA, AUS, 6000
Website https://v-er.eu
Vulcan Energy Resources Ltd is engaged in geothermal energy and lithium exploration and production. The company's Lionheart Project is an integrated lithium and renewable energy project that produces battery-quality lithium from naturally heated subsurface brine in the Upper Rhine Valley, to deliver a local source of sustainable lithium for the European battery industry, with a co-product of renewable energy for local heating needs. It has developed an aluminate-based sorbent, VULSORB, to produce lithium from subsurface brine and harnesses geothermal energy from its operations in the Upper Rhine Valley. The company has three operating segments based on geographical location: Germany, which derives the maximum revenue, other European countries, and Australia.
54GF Score

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

A$2.69
Price
A$3.51
GF Value