Century Aluminum Co (STU:EY3) Reserves - Probable (K): 0.00 (As of . 20)

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STU:EY3 Century Aluminum Co STU:EY3
66 GF Score
Price €40.50
GF Value €19.24
Valuation Significantly Overvalued
! 6 Warning Signs
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What is Century Aluminum Co Reserves - Probable (K)?

Century Aluminum Co STU:EY3 +0.12% 66 Reserves - Probable (K) is 0.00 as of . 20. GuruFocus rates STU:EY3 with a GF Score™ of 66/100 and a GF Value™ of €19.24 (Significantly Overvalued). The stock has 6 warning signs investors should review.

Probable reserves are reserves calculated to be at least 50% likely to be recovered through drilling.

The historical rank and industry rank for Century Aluminum Co's Reserves - Probable (K) or its related term are showing as below:

STU:EY3's Reserves - Probable (K) is not ranked *
in the Metals & Mining industry.
Industry Median:
* Ranked among companies with meaningful Reserves - Probable (K) only.

Century Aluminum Co  (STU:EY3) Reserves - Probable (K) Explanation

Reserves - Probable (K) are reserves calculated to be at least 50% likely to be recovered through drilling. Probable reserves do not necessarily imply proven reserves, since a firm may decide not to recover the deposits because of the expensive economics involved in extraction.

Any combination of regulatory, economic and technological challenges could reduce the likelihood that a firm can profitably extract the reserve.

Century Aluminum Co Reserves - Probable (K) Related Terms

Century Aluminum Co Reserves - Probable (K) Historical Data

* Premium members only.

The historical data trend for Century Aluminum Co's Reserves - Probable (K) 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.

Century Aluminum Co Reserves - Probable (K) Chart


STU:EY3
66GF Score
Century Aluminum Co STU:EY3
Reserves - Probable (K) is just one metric. See GF Score™, valuation, warning signs, and more.
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Frequently Asked Questions
What does a Reserves - Probable (K) of 0.00 mean?
Century Aluminum Co (STU:EY3) has a Reserves - Probable (K) of 0.00 as of . 20. Probable reserves are reserves calculated to be at least 50% likely to be recovered through drilling. View historical data on Century Aluminum Co and its competitors.
Is Century Aluminum Co's Reserves - Probable (K) too high?
Century Aluminum Co's current Reserves - Probable (K) is 0.00. 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 Reserves - Probable (K) compare to CSTM and KALU?
Century Aluminum Co's Reserves - Probable (K) of 0.00 can be compared against companies in the Metals & Mining industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Reserves - Probable (K) for a Metals & Mining company?
A good Reserves - Probable (K) depends on the Metals & Mining industry context. However, Reserves - Probable (K) should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Reserves - Probable (K) mean?
A high Reserves - Probable (K) can signal that a stock is expensive relative to its fundamentals. Probable reserves are reserves calculated to be at least 50% likely to be recovered through drilling. View historical data on Century Aluminum Co and its competitors. Century Aluminum Co's current Reserves - Probable (K) is 0.00. 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 €19.24, compared to a current price of €40.50 — trading 110.5% above its estimated fair value. The current Reserves - Probable (K) is 0.00. 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 Reserves - Probable (K) calculated?
Reserves - Probable (K) is calculated from a company's financial statements. For Century Aluminum Co (STU:EY3), the current Reserves - Probable (K) is 0.00 as of . 20. 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 110.5% above its estimated GF Value™ of €19.24. GuruFocus considers Century Aluminum Co to be Significantly Overvalued.

Key valuation signals for STU:EY3:

  • Reserves - Probable (K): 0.00
  • GF Value™: €19.24 vs. price of €40.50 (110.5% above fair value)
  • GF Score™: 66/100 with 6 warning signs

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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Reserves - Probable (K) is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€40.50
Price
€19.24
GF Value