Aluminum of ChinaWBO:AOC -6.68%82 Net Margin % is 9.45% as of Mar. 2026, which is 751% above its 10-year median of 1.11. GuruFocus rates WBO:AOC with a GF Score™ of 82/100 and a GF Value™ of €0.80. The stock has 2 warning signs investors should review. Among 843 Metals & Mining companies, Aluminum of China ranks better than 58.13% on this metric.
The historical rank and industry rank for Aluminum of China's Net Margin % or its related term are showing as below:
WBO:AOC'
s Net Margin % Range Over the Past 10 Years
Min: 0.26 Med: 1.11 Max: 6.02
Current: 6.02
WBO:AOC's Net Margin % is ranked better than 58.13% of 843
companies
in the Metals & Mining industry
Industry Median: 3.41
vs WBO:AOC: 6.02
Aluminum of China (WBO:AOC) 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.
Aluminum of China Net Margin % Related Terms
Aluminum of China Net Margin % Historical Data
* Premium members only.
The historical data trend for Aluminum of China'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.
WBO:AOC vs AA, CENX, CSTM: Net Margin % Comparison
For the Aluminum subindustry, Aluminum of China'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.
Aluminum of China Net Margin % vs Metals & Mining Industry
For the Metals & Mining industry and Basic Materials sector, Aluminum of China's Net Margin % distribution charts can be found below:
* The bar in red indicates where Aluminum of China'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.
Aluminum of China (WBO:AOC) has a Net Margin % of 9.45% as of Mar. 2026. Net margin is the ratio of total net income to net sales. View historical data on Aluminum of China and its competitors. This is 751% above median its historical median of 1.11. Over the past decade, Aluminum of China's Net Margin % has ranged from 0.26 to 6.02. According to the industry distribution chart, Aluminum of China ranks #353 out of 843 companies in the Metals & Mining industry, placing it in the top 41.9%.
Is Aluminum of China's Net Margin % too high?
Aluminum of China's current Net Margin % of 9.45% is 751% above median its 10-year median of 1.11. Over the past 10 years, this metric has ranged from a low of 0.26 to a high of 6.02. The Metals & Mining industry median Net Margin % is 3.41. Aluminum of China's value of 9.45% is 177.1% above this industry median. Based on the distribution chart, Aluminum of China ranks #353 out of 843 companies in the Metals & Mining industry, which is above the industry midpoint. Overall, Aluminum of China has a GF Score™ of 82/100, reflecting its overall financial health beyond just this single metric.
How does Aluminum of China's Net Margin % compare to AA and CENX?
According to the Metals & Mining industry distribution chart, Aluminum of China ranks #353 out of 843 companies for Net Margin %. This puts Aluminum of China in the upper half of its industry. The industry median Net Margin % is 3.41. Aluminum of China's value of 9.45% is 177.1% above this benchmark. Historically, Aluminum of China's own Net Margin % has ranged from 0.26 to 6.02 over the past decade. While the company's 10-year median is 1.11 vs. the industry median of 3.41, Aluminum of China 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. Aluminum of China's current Net Margin % of 9.45% is 177.1% 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 Aluminum of China 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. Aluminum of China's current Net Margin % is 9.45%, which is 751% above median its own 10-year median of 1.11. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Aluminum of China stock overvalued right now?
Aluminum of China (WBO:AOC) has a current Net Margin % of 9.45%. The stock's GF Value™ is €0.80, compared to a current price of €0.89 — trading 11.8% above its estimated fair value. The current Net Margin % is 9.45%, which is 751% above median its 10-year median of 1.11 and 177.1% above the Metals & Mining industry median of 3.41. Aluminum of China's overall GF Score™ is 82/100 with 2 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 Aluminum of China (WBO:AOC), the current Net Margin % is 9.45% 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 Aluminum of China (WBO:AOC) Overvalued in 2026?
Based on GuruFocus' analysis, Aluminum of China stock appears to be overvalued.
The current stock price of €0.89 is trading 11.8% above its estimated GF Value™ of €0.80.
Key valuation signals for WBO:AOC:
Net Margin %: 9.45% (751% above median its 10-year median of 1.11)
GF Value™: €0.80 vs. price of €0.89 (11.8% above fair value)
Industry Position: 177.1% above the Metals & Mining median (#353 of 843)
No single metric tells the full story. See the WBO:AOC stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Aluminum Corp of China Ltd is an aluminum producer. Its main business includes exploration and mining of resources such as bauxite and coal, production, sales, technology research and development of alumina, primary aluminum, aluminum alloys, and carbon products, international trade, logistics industry, thermal and new energy power generation, etc. The company's reportable operating segments are: the alumina segment, the primary aluminum segment, the energy segment, the marketing segment, and the corporate and other segment. The majority of its revenue is generated from the primary aluminum segment, which consists of procuring alumina and other raw materials, supplemental materials, and electricity power, and smelting alumina to produce primary aluminum.
82GF Score
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