Core Natural ResourcesCNR -0.51%81 Gross Margin % is 5.42% as of Mar. 2026, which is 93% below its 10-year median of 77.16. GuruFocus rates CNR with a GF Score™ of 81/100 and a GF Value™ of $95.53 (Modestly Undervalued). The stock has 4 warning signs investors should review. Among 124 Other Energy Sources companies, Core Natural Resources ranks worse than 91.13% on this metric.
Warren Buffett believes that firms with excellent long term economics tend to have consistently higher margins.
Durable competitive advantage creates a high Gross Margin % because of the freedom to price in excess of cost. Companies can be categorized by their Gross Margin %
1. Greater than 40% = Durable competitive advantage
2. Less than 40% = Competition eroding margins
3. Less than 20% = no sustainable competitive advantage
Consistency of Gross Margin is key
Core Natural Resources had a gross margin of 5.42% for the quarter that ended in Mar. 2026 => No sustainable competitive advantage
Be Aware
If a company loses its competitive advantages, usually its gross margin declines well before its sales declines. Watching Gross Margin % and Operating Margin % closely helps avoid value trap situations.
Core Natural Resources Gross Margin % Related Terms
Core Natural Resources Gross Margin % Historical Data
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The historical data trend for Core Natural Resources's Gross Margin % 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 Gross Margin %, along with its competitors' market caps and Gross Margin % 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 Gross Margin % vs Other Energy Sources Industry
For the Other Energy Sources industry and Energy sector, Core Natural Resources's Gross Margin % distribution charts can be found below:
* The bar in red indicates where Core Natural Resources's Gross Margin % 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.
A positive Gross Profit is only the first step for a company to make a net profit. The gross profit needs to be big enough to also cover related labor, equipment, rental, marketing/advertising, research and development and a lot of other costs in selling the products.
Core Natural Resources (CNR) has a Gross Margin % of 5.42% as of Mar. 2026. Gross margin is the ratio of total gross profit to net sales. View historical data on Core Natural Resources and its competitors. This is 93% below median its historical median of 77.16. According to the industry distribution chart, Core Natural Resources ranks #113 out of 124 companies in the Other Energy Sources industry, placing it in the top 91.1%.
Is Core Natural Resources' Gross Margin % too high?
Core Natural Resources' current Gross Margin % of 5.42% is 93% below median its 10-year median of 77.16. The Other Energy Sources industry median Gross Margin % is 18.78. Core Natural Resources' value of 5.42% is 71.1% below this industry median. Based on the distribution chart, Core Natural Resources ranks #113 out of 124 companies in the Other Energy Sources industry, which is in the bottom quartile relative to peers. Overall, Core Natural Resources has a GF Score™ of 81/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Core Natural Resources' Gross Margin % compare to BTU and ARLP?
According to the Other Energy Sources industry distribution chart, Core Natural Resources ranks #113 out of 124 companies for Gross Margin %. This places Core Natural Resources in the lower half of its industry. The industry median Gross Margin % is 18.78. Core Natural Resources' value of 5.42% is 71.1% below this benchmark. While the company's 10-year median is 77.16 vs. the industry median of 18.78, 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 Gross Margin % for an Other Energy Sources company?
The median Gross Margin % among Other Energy Sources companies is 18.78, based on 124 companies in the industry. Companies in the top quartile (top 25%) have a Gross Margin % significantly above this median, while those in the bottom quartile fall well below. However, Gross Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Core Natural Resources's current Gross Margin % of 5.42% is 71.1% 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 Gross Margin % mean?
A high Gross Margin % can signal that a stock is expensive relative to its fundamentals. Gross margin is the ratio of total gross profit to net sales. View historical data on Core Natural Resources and its competitors. For the Other Energy Sources industry, the median Gross Margin % is 18.78 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Core Natural Resources's current Gross Margin % is 5.42%, which is 93% below median its own 10-year median of 77.16. 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 Modestly Undervalued. The stock's GF Value™ is $95.53, compared to a current price of $81.77 — trading 14.4% below its estimated fair value. The current Gross Margin % is 5.42%, which is 93% below median its 10-year median of 77.16 and 71.1% below the Other Energy Sources industry median of 18.78. Core Natural Resources' overall GF Score™ is 81/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Gross Margin % calculated?
Gross Margin % is calculated from a company's financial statements. For Core Natural Resources (CNR), the current Gross Margin % is 5.42% 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 $81.77 is trading 14.4% below its estimated GF Value™ of $95.53.
GuruFocus considers Core Natural Resources to be Modestly Undervalued.
Key valuation signals for CNR:
Gross Margin %: 5.42% (93% below median its 10-year median of 77.16)
GF Value™: $95.53 vs. price of $81.77 (14.4% below fair value)
Industry Position: 71.1% below the Other Energy Sources median (#113 of 124)
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.
81GF Score
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