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Core Natural ResourcesCNR -0.42%87 Debt-to-EBITDA is 0.64 as of Mar. 2026, which is 58% below its 10-year median of 1.54. GuruFocus rates CNR with a GF Score™ of 87/100 and a GF Value™ of $96.22 (Fairly Valued). The stock has 4 warning signs investors should review. Among 92 Other Energy Sources companies, Core Natural Resources ranks better than 65.22% on this metric.
Debt-to-EBITDA measures a company's ability to pay off its debt.
A high Debt-to-EBITDA ratio generally means that a company may spend more time to paying off its debt. According to Joel Tillinghast's BIG MONEY THINKS SMALL: Biases, Blind Spots, and Smarter Investing, a ratio of Debt-to-EBITDA exceeding four is usually considered scary unless tangible assets cover the debt.
The historical rank and industry rank for Core Natural Resources's Debt-to-EBITDA or its related term are showing as below:
CNR'
s Debt-to-EBITDA Range Over the Past 10 Years
Min: 0.2 Med: 1.54 Max: 2.71
Current: 0.83
During the past 12 years, the highest Debt-to-EBITDA Ratio of Core Natural Resources was 2.71. The lowest was 0.20. And the median was 1.54.
CNR's Debt-to-EBITDA is ranked better than 65.22% of 92
companies
in the Other Energy Sources industry
Industry Median: 2.185
vs CNR: 0.83
A high Debt-to-EBITDA ratio generally means that a company may spend more time to paying off its debt.
According to Joel Tillinghast's BIG MONEY THINKS SMALL: Biases, Blind Spots, and Smarter Investing, a ratio of Debt-to-EBITDA exceeding four is usually considered scary unless tangible assets cover the debt.
Core Natural Resources Debt-to-EBITDA Related Terms
Core Natural Resources Debt-to-EBITDA Historical Data
* Premium members only.
The historical data trend for Core Natural Resources's Debt-to-EBITDA 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.
For the Thermal Coal subindustry, Core Natural Resources's Debt-to-EBITDA, along with its competitors' market caps and Debt-to-EBITDA 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.
Core Natural Resources Debt-to-EBITDA vs Other Energy Sources Industry
For the Other Energy Sources industry and Energy sector, Core Natural Resources's Debt-to-EBITDA distribution charts can be found below:
* The bar in red indicates where Core Natural Resources's Debt-to-EBITDA falls into.
* 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 Debt-to-EBITDA, the EBITDA of the last fiscal year is used. In calculating the annualized quarterly data,
the EBITDA data used here is four times the quarterly (Mar. 2026) EBITDA data.
Core Natural Resources (CNR) has a Debt-to-EBITDA of 0.64 as of Mar. 2026. Debt-to-EBITDA ratio represents the ratio of total debt to total earnings before interest, taxes, depreciation and amortization. View historical data on Core Natural Resources. This is 58% below median its historical median of 1.54. Over the past decade, Core Natural Resources' Debt-to-EBITDA has ranged from 0.20 to 2.71. According to the industry distribution chart, Core Natural Resources ranks #32 out of 92 companies in the Other Energy Sources industry, placing it in the top 34.8%.
Is Core Natural Resources' Debt-to-EBITDA too high?
Core Natural Resources' current Debt-to-EBITDA of 0.64 is 58% below median its 10-year median of 1.54. Over the past 10 years, this metric has ranged from a low of 0.20 to a high of 2.71. The Other Energy Sources industry median Debt-to-EBITDA is 2.19. Core Natural Resources' value of 0.64 is 70.7% below this industry median. Based on the distribution chart, Core Natural Resources ranks #32 out of 92 companies in the Other Energy Sources industry, which is above the industry midpoint. Overall, Core Natural Resources has a GF Score™ of 87/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Core Natural Resources' Debt-to-EBITDA compare to ARLP and BTU?
According to the Other Energy Sources industry distribution chart, Core Natural Resources ranks #32 out of 92 companies for Debt-to-EBITDA. This puts Core Natural Resources in the upper half of its industry. The industry median Debt-to-EBITDA is 2.19. Core Natural Resources' value of 0.64 is 70.7% below this benchmark. Historically, Core Natural Resources' own Debt-to-EBITDA has ranged from 0.20 to 2.71 over the past decade. While the company's 10-year median is 1.54 vs. the industry median of 2.19, Core Natural Resources has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Debt-to-EBITDA for an Other Energy Sources company?
The median Debt-to-EBITDA among Other Energy Sources companies is 2.19, based on 92 companies in the industry. Companies in the top quartile (top 25%) have a Debt-to-EBITDA significantly above this median, while those in the bottom quartile fall well below. However, Debt-to-EBITDA should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Core Natural Resources's current Debt-to-EBITDA of 0.64 is 70.7% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Debt-to-EBITDA mean?
A high Debt-to-EBITDA can signal that a stock is expensive relative to its fundamentals. Debt-to-EBITDA ratio represents the ratio of total debt to total earnings before interest, taxes, depreciation and amortization. View historical data on Core Natural Resources. For the Other Energy Sources industry, the median Debt-to-EBITDA is 2.19 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Core Natural Resources's current Debt-to-EBITDA is 0.64, which is 58% below median its own 10-year median of 1.54. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Core Natural Resources stock overvalued right now?
Based on GuruFocus' analysis, Core Natural Resources (CNR) is currently considered Fairly Valued. The stock's GF Value™ is $96.22, compared to a current price of $89.60 — trading 6.9% below its estimated fair value. The current Debt-to-EBITDA is 0.64, which is 58% below median its 10-year median of 1.54 and 70.7% below the Other Energy Sources industry median of 2.19. Core Natural Resources' overall GF Score™ is 87/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Debt-to-EBITDA calculated?
Debt-to-EBITDA is calculated from a company's financial statements. For Core Natural Resources (CNR), the current Debt-to-EBITDA is 0.64 as of Mar. 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 Core Natural Resources (CNR) Overvalued in 2026?
Based on GuruFocus' analysis, Core Natural Resources stock appears to be undervalued.
The current stock price of $89.60 is trading 6.9% below its estimated GF Value™ of $96.22.
GuruFocus considers Core Natural Resources to be Fairly Valued.
Key valuation signals for CNR:
Debt-to-EBITDA: 0.64 (58% below median its 10-year median of 1.54)
GF Value™: $96.22 vs. price of $89.60 (6.9% below fair value)
Industry Position: 70.7% below the Other Energy Sources median (#32 of 92)
No single metric tells the full story. See the CNR stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Core Natural Resources Inc is a producer and exporter of metallurgical and thermal coal. The company owns and operates longwall mining operations in the nation and export terminals on the Eastern seaboard. The activities of the company involves mining of thermal coal, power generation, and other related activities.
87GF Score
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