Core Natural ResourcesCNR -1.73%85 OCF Margin % is 11.01% as of Mar. 2026, which is 52% below its 10-year median of 23.12. GuruFocus rates CNR with a GF Score™ of 85/100 and a GF Value™ of $95.55 (Modestly Undervalued). The stock has 4 warning signs investors should review. Among 131 Other Energy Sources companies, Core Natural Resources ranks better than 58.02% on this metric.
* 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 OCF Margin %, along with its competitors' market caps and OCF 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 OCF Margin % vs Other Energy Sources Industry
For the Other Energy Sources industry and Energy sector, Core Natural Resources's OCF Margin % distribution charts can be found below:
* The bar in red indicates where Core Natural Resources's OCF 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.
Core Natural Resources (CNR) has a OCF Margin % of 11.01% as of Mar. 2026. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Core Natural Resources and its competitors. This is 52% below median its historical median of 23.12. Over the past decade, Core Natural Resources' OCF Margin % has ranged from 7.34 to 34.23. According to the industry distribution chart, Core Natural Resources ranks #55 out of 131 companies in the Other Energy Sources industry, placing it in the top 42%.
Is Core Natural Resources' OCF Margin % too high?
Core Natural Resources' current OCF Margin % of 11.01% is 52% below median its 10-year median of 23.12. Over the past 10 years, this metric has ranged from a low of 7.34 to a high of 34.23. The Other Energy Sources industry median OCF Margin % is 10.32. Core Natural Resources' value of 11.01% is 6.7% above this industry median. Based on the distribution chart, Core Natural Resources ranks #55 out of 131 companies in the Other Energy Sources industry, which is above the industry midpoint. Overall, Core Natural Resources has a GF Score™ of 85/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Core Natural Resources' OCF Margin % compare to BTU and ARLP?
According to the Other Energy Sources industry distribution chart, Core Natural Resources ranks #55 out of 131 companies for OCF Margin %. This puts Core Natural Resources in the upper half of its industry. The industry median OCF Margin % is 10.32. Core Natural Resources' value of 11.01% is 6.7% above this benchmark. Historically, Core Natural Resources' own OCF Margin % has ranged from 7.34 to 34.23 over the past decade. While the company's 10-year median is 23.12 vs. the industry median of 10.32, Core Natural Resources has consistently been above 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 OCF Margin % for an Other Energy Sources company?
The median OCF Margin % among Other Energy Sources companies is 10.32, based on 131 companies in the industry. Companies in the top quartile (top 25%) have a OCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, OCF Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Core Natural Resources's current OCF Margin % of 11.01% is 6.7% above 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 OCF Margin % mean?
A high OCF Margin % can signal that a stock is expensive relative to its fundamentals. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Core Natural Resources and its competitors. For the Other Energy Sources industry, the median OCF Margin % is 10.32 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Core Natural Resources's current OCF Margin % is 11.01%, which is 52% below median its own 10-year median of 23.12. 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 $95.55, compared to a current price of $80.83 — trading 15.4% below its estimated fair value. The current OCF Margin % is 11.01%, which is 52% below median its 10-year median of 23.12 and 6.7% above the Other Energy Sources industry median of 10.32. Core Natural Resources' overall GF Score™ is 85/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is OCF Margin % calculated?
OCF Margin % is calculated from a company's financial statements. For Core Natural Resources (CNR), the current OCF Margin % is 11.01% 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 $80.83 is trading 15.4% below its estimated GF Value™ of $95.55.
GuruFocus considers Core Natural Resources to be Modestly Undervalued.
Key valuation signals for CNR:
OCF Margin %: 11.01% (52% below median its 10-year median of 23.12)
GF Value™: $95.55 vs. price of $80.83 (15.4% below fair value)
Industry Position: 6.7% above the Other Energy Sources median (#55 of 131)
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.
85GF Score
Get the complete analysis for CNR
OCF Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
CNR has been successfully added to your 
