Century Aluminum Co (STU:EY3) Moat Score: 3/10 (As of Jul. 25, 2026)

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STU:EY3 Century Aluminum Co STU:EY3
66 GF Score
Price €40.50
GF Value €19.23
Valuation Significantly Overvalued
! 6 Warning Signs
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What is Century Aluminum Co Moat Score?

Century Aluminum Co STU:EY3 +0.12% 66 Moat Score is 3 as of Jul. 25, 2026. GuruFocus rates STU:EY3 with a GF Score™ of 66/100 and a GF Value™ of €19.23 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 2,604 Metals & Mining companies, Century Aluminum Co ranks better than 94.01% on this metric.

Century Aluminum Co has the Moat Score of 3, which implies that the company might have No Moat - Very weak/transient advantages.

Century Aluminum Co has No Moat: Century Aluminum operates in a highly competitive and cyclical industry with limited pricing power and no significant cost advantages. The company's market position is vulnerable to commodity price fluctuations.

Moat Score is a ranking system developed by GuruFocus to assess a company's ability to sustain a competitive advantage, rated on a scale from 0 to 10. It takes into account key factors such as market leadership, cost advantages, network effects, customer switching costs, and more.

The company's Moat Score is based on these criteria:

1. Market leadership and sustainable market share
2. Network effects and significant customer switching costs
3. Valuable intellectual property and patents
4. Strong brand strength and deep customer loyalty
5. Durable cost advantages (e.g., economies of scale, proprietary technology)
6. Significant regulatory barriers and exclusive licenses
7. Superior distribution network
8. Strong and sustainable pricing power
9. Consistent and impactful innovation and R&D capabilities

Based on the research, GuruFocus believes Century Aluminum Co might have No Moat - Very weak/transient advantages.

Century Aluminum Co  (STU:EY3) Moat Score Explanation

The Moat Score ranges from 0 to 10, with 10 as the highest. GuruFocus divided Moat Score into following 8 categories:

Moat Score Moat Level
10Wide Moat - Exceptionally dominant and durable wide moat
8 - 9Wide Moat - Clear and robust wide moat
7Wide Moat - Entry-level wide moat, clearly possessing durable advantages
6Narrow Moat - Strong narrow moat, clearly distinguishable but not wide
5Narrow Moat - Solid narrow moat
4Narrow Moat - Discernible but modest moat
1 - 3No Moat - Very weak/transient advantages
0No Moat - No discernible moat

Century Aluminum Co Moat Score Related Terms

STU:EY3 vs CSTM, KALU, AA: Moat Score Comparison

For the Aluminum subindustry, Century Aluminum Co's Moat Score, along with its competitors' market caps and Moat Score 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.

Century Aluminum Co Moat Score vs Metals & Mining Industry

For the Metals & Mining industry and Basic Materials sector, Century Aluminum Co's Moat Score distribution charts can be found below:

* The bar in red indicates where Century Aluminum Co's Moat Score falls into.


STU:EY3
66GF Score
Century Aluminum Co STU:EY3
Moat Score is just one metric. See GF Score™, valuation, warning signs, and more.
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Frequently Asked Questions Learn more about Moat Score →
What does a Moat Score of 3 mean?
Century Aluminum Co (STU:EY3) has a Moat Score of 3 as of Jul. 25, 2026. Moat Score is a ranking system developed by GuruFocus to assess a company's ability to sustain a competitive advantage, rated on a scale from 0 to 10. It takes into account key factors such as market leadership, cost advantages, network effects, customer switching costs, and more. According to the industry distribution chart, Century Aluminum Co ranks #156 out of 2604 companies in the Metals & Mining industry, placing it in the top 6%.
Is Century Aluminum Co's Moat Score too high?
Century Aluminum Co's current Moat Score is 3. The Metals & Mining industry median Moat Score is 1.00. Century Aluminum Co's value of 3 is 200% above this industry median. Based on the distribution chart, Century Aluminum Co ranks #156 out of 2604 companies in the Metals & Mining industry, which is in the top quartile — a strong position relative to peers. Overall, Century Aluminum Co has a GF Score™ of 66/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Century Aluminum Co's Moat Score compare to CSTM and KALU?
According to the Metals & Mining industry distribution chart, Century Aluminum Co ranks #156 out of 2604 companies for Moat Score. This places Century Aluminum Co in the top 6% of its industry — outperforming the majority of peers. The industry median Moat Score is 1.00. Century Aluminum Co's value of 3 is 200% above this benchmark. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Moat Score for a Metals & Mining company?
The median Moat Score among Metals & Mining companies is 1.00, based on 2,604 companies in the industry. Companies in the top quartile (top 25%) have a Moat Score significantly above this median, while those in the bottom quartile fall well below. However, Moat Score should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Century Aluminum Co's current Moat Score of 3 is 200% 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 Moat Score mean?
A high Moat Score can signal that a stock is expensive relative to its fundamentals. Moat Score is a ranking system developed by GuruFocus to assess a company's ability to sustain a competitive advantage, rated on a scale from 0 to 10. It takes into account key factors such as market leadership, cost advantages, network effects, customer switching costs, and more. For the Metals & Mining industry, the median Moat Score is 1.00 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Century Aluminum Co's current Moat Score is 3. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Century Aluminum Co stock overvalued right now?
Based on GuruFocus' analysis, Century Aluminum Co (STU:EY3) is currently considered Significantly Overvalued. The stock's GF Value™ is €19.23, compared to a current price of €40.50 — trading 110.6% above its estimated fair value. The current Moat Score is 3 and 200% above the Metals & Mining industry median of 1.00. Century Aluminum Co's overall GF Score™ is 66/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Moat Score calculated?
Moat Score is calculated from a company's financial statements. For Century Aluminum Co (STU:EY3), the current Moat Score is 3 as of Jul. 25, 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 Century Aluminum Co (STU:EY3) Overvalued in 2026?

Based on GuruFocus' analysis, Century Aluminum Co stock appears to be overvalued. The current stock price of €40.50 is trading 110.6% above its estimated GF Value™ of €19.23. GuruFocus considers Century Aluminum Co to be Significantly Overvalued.

Key valuation signals for STU:EY3:

  • Moat Score: 3
  • GF Value™: €19.23 vs. price of €40.50 (110.6% above fair value)
  • GF Score™: 66/100 with 6 warning signs
  • Industry Position: 200% above the Metals & Mining median (#156 of 2604)

No single metric tells the full story. See the STU:EY3 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Century Aluminum Co Business Description

Other Exchanges CENX:USA
Address One South Wacker Drive, Suite 1000, Chicago, IL, USA, 60606
Century Aluminum Co produces primary aluminum standard grade and value-added products. The firm operates smelter facilities in the United States and Iceland. The majority of revenue is generated from Glencore, which agreed to purchase nearly all of Century Aluminum's North American production. The company produces high purity aluminum, standard-grade aluminum sow and tee bars, and value-added billet and foundry products. The company also owns a carbon anode production facility in the Netherlands.
66GF Score

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Moat Score is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€40.50
Price
€19.23
GF Value