MNTK (Montauk Renewables) Effective Interest Rate on Debt %: 3.89% (As of Jun. 2026)

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MNTK Montauk Renewables Inc MNTK
74 GF Score
Price $1.65
GF Value $4.45
Valuation Possible Value Trap
! 4 Warning Signs
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What is Montauk Renewables Effective Interest Rate on Debt %?

Montauk Renewables MNTK -3.80% 74 Effective Interest Rate on Debt % is 3.89% as of Jun. 2026. GuruFocus rates MNTK with a GF Score™ of 74/100 and a GF Value™ of $4.45 (Possible Value Trap). The stock has 4 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. Montauk Renewables's annualized positive value of Interest Expense for the quarter that ended in Jun. 2026 was $6.1 Mil. Montauk Renewables's average total debt for the quarter that ended in Jun. 2026 was $157.5 Mil. Therefore, Montauk Renewables's annualized Effective Interest Rate on Debt % for the quarter that ended in Jun. 2026 was 3.89%.


Montauk Renewables  (NAS:MNTK) Effective Interest Rate on Debt % Explanation

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


Montauk Renewables Effective Interest Rate on Debt % Related Terms


Montauk Renewables Effective Interest Rate on Debt % Historical Data

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The historical data trend for Montauk Renewables'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.

Montauk Renewables Effective Interest Rate on Debt % Chart

Montauk Renewables Annual Data
Trend Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Effective Interest Rate on Debt %
Get a 7-Day Free Trial 4.01 2.30 7.97 8.06 4.80

Montauk Renewables Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
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 7.13 5.75 4.87 3.61 3.89

MNTK vs HDSN, CMT, FF: Effective Interest Rate on Debt % Comparison

For the Specialty Chemicals subindustry, Montauk Renewables'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.


Montauk Renewables Effective Interest Rate on Debt % vs Chemicals Industry

For the Chemicals industry and Basic Materials sector, Montauk Renewables's Effective Interest Rate on Debt % distribution charts can be found below:

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


MNTK
74GF Score
Montauk Renewables Inc MNTK
Effective Interest Rate on Debt % is just one metric. See GF Score™, valuation, warning signs, and more.
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Montauk Renewables Effective Interest Rate on Debt % Calculation

Montauk Renewables'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  *  -4.816/( (62.915+137.94)/ 2 )
=-1  *  -4.816/100.4275
=4.80 %

where

Total Debt  (A: Dec. 2024 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=48.937 + 13.978
=62.915

Total Debt  (A: Dec. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=131.888 + 6.052
=137.94

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

Effective Interest Rate on Debt %
=-1  *  Interest Expense/( (Total Debt  (Q: Mar. 2026 )+Total Debt  (Q: Jun. 2026 ))/ count )
=-1  *  -6.124/( (157.837+157.135)/ 2 )
=-1  *  -6.124/157.486
=3.89 %

where

Total Debt  (Q: Mar. 2026 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=154.925 + 2.912
=157.837

Total Debt  (Q: Jun. 2026 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=154.603 + 2.532
=157.135

* 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 four times the quarterly (Jun. 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 3.89% mean?
Montauk Renewables (MNTK) has a Effective Interest Rate on Debt % of 3.89% as of Jun. 2026. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on Montauk Renewables and its competitors.
Is Montauk Renewables' Effective Interest Rate on Debt % too high?
Montauk Renewables' current Effective Interest Rate on Debt % is 3.89%. Overall, Montauk Renewables has a GF Score™ of 74/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Montauk Renewables' Effective Interest Rate on Debt % compare to HDSN and CMT?
Montauk Renewables' Effective Interest Rate on Debt % of 3.89% can be compared against companies in the Chemicals 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 Chemicals company?
A good Effective Interest Rate on Debt % depends on the Chemicals 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 Montauk Renewables and its competitors. Montauk Renewables's current Effective Interest Rate on Debt % is 3.89%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Montauk Renewables stock overvalued right now?
Based on GuruFocus' analysis, Montauk Renewables (MNTK) is currently considered Possible Value Trap. The stock's GF Value™ is $4.45, compared to a current price of $1.65 — trading 63% below its estimated fair value. The current Effective Interest Rate on Debt % is 3.89%. Montauk Renewables' overall GF Score™ is 74/100 with 4 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 Montauk Renewables (MNTK), the current Effective Interest Rate on Debt % is 3.89% as of Jun. 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 Montauk Renewables (MNTK) Overvalued in 2026?

Based on GuruFocus' analysis, Montauk Renewables stock appears to be undervalued. The current stock price of $1.65 is trading 63% below its estimated GF Value™ of $4.45. GuruFocus considers Montauk Renewables to be Possible Value Trap.

Key valuation signals for MNTK:

  • Effective Interest Rate on Debt %: 3.89%
  • GF Value™: $4.45 vs. price of $1.65 (63% below fair value)
  • GF Score™: 74/100 with 4 warning signs

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


Montauk Renewables Business Description

Other Exchanges MKR:South Africa
Address 5313 Campbells Run Road, Suite 200, Pittsburgh, PA, USA, 15205
Montauk Renewables Inc is a renewable energy company. It specializes in the recovery and processing of biogas from landfills and other non-fossil fuel sources for beneficial use as a replacement for fossil fuels. The firm develops, owns, and operates RNG projects that supply renewable fuel into the transportation and electrical power sectors. Montauk operates in two segments namely Renewable Natural Gas and Renewable Electricity Generation. It generates a majority of its revenue from the Renewable Natural Gas segment.
74GF 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.

$1.65
Price
$4.45
GF Value