Ero CopperERO -5.66%91 Net Margin % is 41.33% as of Mar. 2026, which is 90% above its 10-year median of 21.71. GuruFocus rates ERO with a GF Score™ of 91/100 and a GF Value™ of $36.24 (Modestly Undervalued). The stock has 5 warning signs investors should review. Among 843 Metals & Mining companies, Ero Copper ranks better than 86.48% on this metric.
Net margin is calculated as Net Income divided by its Revenue. Ero Copper's Net Income for the
three
months ended in Mar. 2026 was $108.8 Mil. Ero Copper's Revenue for the
three
months ended in Mar. 2026 was $263.2 Mil. Therefore, Ero Copper's net margin for the quarter that ended in Mar. 2026 was 41.33%.
The historical rank and industry rank for Ero Copper's Net Margin % or its related term are showing as below:
ERO'
s Net Margin % Range Over the Past 10 Years
Min: -14.56 Med: 21.71 Max: 41.04
Current: 31.59
ERO's Net Margin % is ranked better than 86.48% of 843
companies
in the Metals & Mining industry
Industry Median: 3.41
vs ERO: 31.59
Ero Copper (NYSE:ERO) Net Margin % Explanation
Although Net Income and Earnings-per-Share (EPS) are the most widely used parameter in measuring a company's profitability and valuation, it is the least reliable. The reason is that reported earnings can be manipulated easily by adjusting any numbers such as Depreciation, Depletion and Amotorization and non-recurring items.
But the long term trend of the net margin is a good indicator of the competitiveness and health of the business.
Ero Copper Net Margin % Related Terms
Ero Copper Net Margin % Historical Data
* Premium members only.
The historical data trend for Ero Copper's Net 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 Copper subindustry, Ero Copper's Net Margin %, along with its competitors' market caps and Net 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.
Ero Copper Net Margin % vs Metals & Mining Industry
For the Metals & Mining industry and Basic Materials sector, Ero Copper's Net Margin % distribution charts can be found below:
* The bar in red indicates where Ero Copper's Net 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.
Ero Copper (ERO) has a Net Margin % of 41.33% as of Mar. 2026. Net margin is the ratio of total net income to net sales. View historical data on Ero Copper and its competitors. This is 90% above median its historical median of 21.71. According to the industry distribution chart, Ero Copper ranks #114 out of 843 companies in the Metals & Mining industry, placing it in the top 13.5%.
Is Ero Copper's Net Margin % too high?
Ero Copper's current Net Margin % of 41.33% is 90% above median its 10-year median of 21.71. The Metals & Mining industry median Net Margin % is 3.41. Ero Copper's value of 41.33% is 1112% above this industry median. Based on the distribution chart, Ero Copper ranks #114 out of 843 companies in the Metals & Mining industry, which is in the top quartile — a strong position relative to peers. Overall, Ero Copper has a GF Score™ of 91/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Ero Copper's Net Margin % compare to SCCO and FCX?
According to the Metals & Mining industry distribution chart, Ero Copper ranks #114 out of 843 companies for Net Margin %. This places Ero Copper in the top 14% of its industry — outperforming the majority of peers. The industry median Net Margin % is 3.41. Ero Copper's value of 41.33% is 1112% above this benchmark. While the company's 10-year median is 21.71 vs. the industry median of 3.41, Ero Copper 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 Net Margin % for a Metals & Mining company?
The median Net Margin % among Metals & Mining companies is 3.41, based on 843 companies in the industry. Companies in the top quartile (top 25%) have a Net Margin % significantly above this median, while those in the bottom quartile fall well below. However, Net Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Ero Copper's current Net Margin % of 41.33% is 1112% 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 Net Margin % mean?
A high Net Margin % can signal that a stock is expensive relative to its fundamentals. Net margin is the ratio of total net income to net sales. View historical data on Ero Copper and its competitors. For the Metals & Mining industry, the median Net Margin % is 3.41 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Ero Copper's current Net Margin % is 41.33%, which is 90% above median its own 10-year median of 21.71. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Ero Copper stock overvalued right now?
Based on GuruFocus' analysis, Ero Copper (ERO) is currently considered Modestly Undervalued. The stock's GF Value™ is $36.24, compared to a current price of $26.18 — trading 27.8% below its estimated fair value. The current Net Margin % is 41.33%, which is 90% above median its 10-year median of 21.71 and 1112% above the Metals & Mining industry median of 3.41. Ero Copper's overall GF Score™ is 91/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Net Margin % calculated?
Net Margin % is calculated from a company's financial statements. For Ero Copper (ERO), the current Net Margin % is 41.33% 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 Ero Copper (ERO) Overvalued in 2026?
Based on GuruFocus' analysis, Ero Copper stock appears to be undervalued.
The current stock price of $26.18 is trading 27.8% below its estimated GF Value™ of $36.24.
GuruFocus considers Ero Copper to be Modestly Undervalued.
Key valuation signals for ERO:
Net Margin %: 41.33% (90% above median its 10-year median of 21.71)
GF Value™: $36.24 vs. price of $26.18 (27.8% below fair value)
Industry Position: 1112% above the Metals & Mining median (#114 of 843)
No single metric tells the full story. See the ERO stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Ero Copper Corp is a high-margin, high-growth copper producer with operations in Brazil. Its primary asset is its 99.6% ownership interest in Mineracao Caraiba S.A., held indirectly through its wholly-owned subsidiary. The company also owns a 97.6% ownership interest in NX Gold S.A. indirectly through its wholly-owned subsidiary. Its reporting segments include its three operating mines in Brazil, the Caraiba Operations, the Tucuma Operation, and the Xavantina Operations, and its corporate head office in Canada.
91GF Score
Get the complete analysis for ERO
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