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Century Aluminum Co (CENX) Stock Fundamental Analysis & AI Rating 2026

CENX Nasdaq Primary Production of Aluminum DE CIK: 0000949157
Updated This Month • Analysis: Mar 22, 2026 • SEC Data: 2025-12-31
Combined AI Rating
HOLD
70% Confidence
STRONG AGREEMENT
HOLD
62% Conf
HOLD
78% Conf

📊 CENX Key Takeaways

Revenue: $2.5B
Net Margin: 1.7%
Free Cash Flow: $84.8M
Current Ratio: 1.97x
Debt/Equity: 0.53x
EPS: $0.42
AI Rating: HOLD with 62% confidence
Century Aluminum Co (CENX) receives a HOLD rating with 70% confidence from our AI fundamental analysis based on SEC 10-K filings. With revenue of $2.5B, net profit margin of 1.7%, and return on equity (ROE) of 5.2%, Century Aluminum Co demonstrates mixed fundamentals in the Market sector. Below is our complete CENX stock analysis for 2026.

Is Century Aluminum Co (CENX) a Good Investment?

Claude

Century Aluminum demonstrates solid operational leverage with revenue growth of 13.9% YoY and strong free cash flow generation of $84.8M, supporting its capital-intensive business model. However, profitability margins remain compressed at 1.7% net margin with concerning diluted EPS decline of 87.2% YoY, indicating margin pressure despite top-line growth. The company maintains adequate financial health with a healthy current ratio of 1.97x and moderate leverage, but elevated capital expenditure requirements and thin operating margins typical of the commodity aluminum sector warrant cautious positioning.

ChatGPT

Century Aluminum shows improving scale with 13.9% revenue growth, positive free cash flow, and solid operating cash generation, while liquidity and leverage remain manageable. However, the business still operates with thin net margins, modest returns on capital, and a sharp decline in diluted EPS, which points to uneven earnings quality despite higher net income. Fundamentally, the company looks financially stable but not yet strong enough to justify a more aggressive rating.

Why Buy Century Aluminum Co Stock? CENX Key Strengths

Claude
  • + Revenue growth of 13.9% YoY demonstrates demand strength in core markets
  • + Positive free cash flow of $84.8M (3.4% FCF margin) supports debt servicing and capital investment
  • + Solid liquidity position with current ratio of 1.97x and adequate interest coverage of 8.1x
  • + Moderate leverage with debt-to-equity of 0.53x provides financial flexibility
  • + Strong operating cash flow of $185.0M validates cash generation capability
ChatGPT
  • + Revenue growth is solid and supported by positive operating income and cash flow generation
  • + Balance sheet risk appears manageable with a 1.97x current ratio, 0.53x debt-to-equity, and 8.1x interest coverage
  • + Free cash flow is positive, indicating the business can fund capital needs without obvious near-term stress

CENX Stock Risks: Century Aluminum Co Investment Risks

Claude
  • ! Net margin of only 1.7% reflects commodity pricing pressure and operational challenges in aluminum production
  • ! Diluted EPS collapsed 87.2% YoY despite revenue growth, signaling significant per-share value destruction
  • ! Gross margin of 10.1% is razor-thin, leaving minimal room for cost management or price declines
  • ! Capital intensity with capex of $100.2M annually (4% of revenue) constrains shareholder returns
  • ! Exposure to volatile aluminum commodity prices creates earnings unpredictability
ChatGPT
  • ! Net margin of 1.7% leaves limited cushion against aluminum price swings, energy costs, or operating disruptions
  • ! Diluted EPS fell 87.2% year over year despite net income growth, suggesting weaker per-share earnings quality
  • ! Returns remain modest with 5.2% ROE and 1.8% ROA, indicating limited efficiency in converting assets and equity into profit

Key Metrics to Watch

Claude
  • * Gross and operating margins trend - any further compression signals deteriorating unit economics
  • * Free cash flow sustainability and FCF conversion rate given high capex requirements
  • * Debt levels and refinancing risk given $430.9M long-term debt burden
  • * Aluminum pricing and realized average selling prices in quarterly filings
  • * Operating efficiency metrics and production costs per ton
ChatGPT
  • * Operating and net margin progression
  • * Free cash flow after capital expenditures

Century Aluminum Co (CENX) Financial Metrics & Key Ratios

Revenue
$2.5B
Net Income
$41.8M
EPS (Diluted)
$0.42
Free Cash Flow
$84.8M
Total Assets
$2.3B
Cash Position
$134.2M

💡 AI Analyst Insight

The relatively thin 3.4% FCF margin may limit capital allocation flexibility.

CENX Profit Margin, ROE & Profitability Analysis

Gross Margin 10.1%
Operating Margin 6.3%
Net Margin 1.7%
ROE 5.2%
ROA 1.8%
FCF Margin 3.4%

CENX vs Market Sector: How Century Aluminum Co Compares

How Century Aluminum Co compares to Market sector averages

Net Margin
CENX 1.7%
vs
Sector Avg 12.0%
CENX Sector
ROE
CENX 5.2%
vs
Sector Avg 15.0%
CENX Sector
Current Ratio
CENX 2.0x
vs
Sector Avg 1.8x
CENX Sector
Debt/Equity
CENX 0.5x
vs
Sector Avg 0.7x
CENX Sector

Sector benchmarks are approximate industry averages. Actual sector performance may vary.

Is Century Aluminum Co Stock Overvalued? CENX Valuation Analysis 2026

Based on fundamental analysis, Century Aluminum Co shows some fundamental concerns relative to the Market sector in 2026.

Return on Equity
5.2%
Sector avg: 15%
Net Profit Margin
1.7%
Sector avg: 12%
Revenue Growth
N/A
Year-over-year
Debt/Equity
0.53x
Sector avg: 0.7x

Note: This is a fundamental analysis based on SEC filings. For P/E ratio, price targets, and market-based valuation, consult financial data providers. This is not investment advice.

Century Aluminum Co Balance Sheet: CENX Debt, Cash & Liquidity

Current Ratio
1.97x
Quick Ratio
0.98x
Debt/Equity
0.53x
Debt/Assets
53.9%
Interest Coverage
8.11x
Long-term Debt
$430.9M

CENX Revenue & Earnings Growth: 5-Year Financial Trend

CENX 5-year financial data: Year 2021: Revenue $2.2B, Net Income -$80.8M, EPS $-0.91. Year 2022: Revenue $2.8B, Net Income -$123.3M, EPS $-1.38. Year 2023: Revenue $2.8B, Net Income -$167.1M, EPS $-1.85. Year 2024: Revenue $2.8B, Net Income -$14.1M, EPS $-0.15. Year 2025: Revenue $2.5B, Net Income -$43.1M, EPS $-0.47.
Revenue
Net Income
EPS (right axis)

5-Year Trend Summary: Century Aluminum Co's revenue has grown significantly by 14% over the 5-year period, indicating strong business expansion. The most recent EPS of $-0.47 indicates the company is currently unprofitable.

CENX Revenue Growth, EPS Growth & YoY Performance

Revenue Growth
N/A
Year-over-year
Net Income Growth
N/A
Year-over-year
EPS Growth
N/A
Earnings per share
FCF Margin
3.4%
Free cash flow / Revenue

CENX Quarterly Earnings & Performance

Quarterly financial performance data for Century Aluminum Co including revenue, net income, and earnings per share.
Quarter Revenue Net Income EPS
Q3 2025 $539.1M $14.9M $0.15
Q2 2025 $560.8M -$2.5M $-0.03
Q1 2025 $489.5M $29.7M $0.29
Q2 2024 $560.8M -$2.5M $-0.03
Q1 2024 $489.5M -$38.6M $-0.42
Q3 2023 $545.2M -$42.0M $0.43
Q2 2023 $575.5M $7.5M $0.07
Q1 2023 $552.4M $17.7M $0.18

Data sourced from SEC EDGAR 10-Q quarterly filings. Figures may represent quarterly or cumulative values.

Century Aluminum Co Dividends, Buybacks & Capital Allocation

Operating Cash Flow
$185.0M
Cash generated from operations
Capital Expenditures
$100.2M
Investment in assets
Dividends
None
No dividend program

CENX SEC Filings: Latest 10-K & 10-Q Analysis

Access official SEC EDGAR filings for Century Aluminum Co (CIK: 0000949157)

📋 Recent SEC Filings

Date Form Document Action
Mar 27, 2026 4 xslF345X06/wk-form4_1774647782.xml View →
Mar 17, 2026 4 xslF345X05/wk-form4_1773783338.xml View →
Mar 13, 2026 4 xslF345X05/wk-form4_1773436438.xml View →
Mar 13, 2026 4 xslF345X05/wk-form4_1773436098.xml View →
Mar 6, 2026 4 xslF345X05/wk-form4_1772837922.xml View →

Frequently Asked Questions about CENX

What is the AI rating for CENX?

Century Aluminum Co (CENX) has a Combined AI Rating of HOLD from Claude (HOLD) and ChatGPT (HOLD) with 70% combined confidence, based on fundamental analysis of SEC EDGAR filings.

What are CENX's key strengths?

Claude: Revenue growth of 13.9% YoY demonstrates demand strength in core markets. Positive free cash flow of $84.8M (3.4% FCF margin) supports debt servicing and capital investment. ChatGPT: Revenue growth is solid and supported by positive operating income and cash flow generation. Balance sheet risk appears manageable with a 1.97x current ratio, 0.53x debt-to-equity, and 8.1x interest coverage.

What are the risks of investing in CENX?

Claude: Net margin of only 1.7% reflects commodity pricing pressure and operational challenges in aluminum production. Diluted EPS collapsed 87.2% YoY despite revenue growth, signaling significant per-share value destruction. ChatGPT: Net margin of 1.7% leaves limited cushion against aluminum price swings, energy costs, or operating disruptions. Diluted EPS fell 87.2% year over year despite net income growth, suggesting weaker per-share earnings quality.

What is CENX's revenue and growth?

Century Aluminum Co reported revenue of $2.5B.

Does CENX pay dividends?

Century Aluminum Co does not currently pay dividends.

Where can I find CENX SEC filings?

Official SEC filings for Century Aluminum Co (CIK: 0000949157) including 10-K, 10-Q, and 8-K reports are available on SEC EDGAR.

What is CENX's EPS?

Century Aluminum Co has a diluted EPS of $0.42.

How is the AI analysis conducted?

Two independent AI systems — Claude (Anthropic) and ChatGPT (OpenAI) — analyze SEC EDGAR filings including 10-K annual reports and 10-Q quarterly reports. Each AI evaluates financial health, profitability ratios, balance sheet strength, and growth metrics. The combined rating reflects both perspectives for balanced insights.

Is CENX a good stock to buy right now?

Based on our AI fundamental analysis in April 2026, Century Aluminum Co has a HOLD rating with 70% confidence. Review the strengths and risks sections above before making a decision. This is not investment advice.

Is CENX stock overvalued or undervalued?

Valuation metrics for CENX: ROE of 5.2% (sector avg: 15%), net margin of 1.7% (sector avg: 12%). Compare these metrics with sector averages to assess valuation.

Should I buy CENX stock in 2026?

Our dual AI analysis gives Century Aluminum Co a combined HOLD rating for 2026. Revenue is data pending, with profitability at or below sector average. Always conduct your own research.

What is CENX's free cash flow?

Century Aluminum Co's operating cash flow is $185.0M, with capital expenditures of $100.2M. FCF margin is 3.4%.

How does CENX compare to other Market stocks?

Vs Default sector averages: Net margin 1.7% (avg: 12%), ROE 5.2% (avg: 15%), current ratio 1.97 (avg: 1.8).

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Disclaimer: This analysis is generated by Claude AI (Anthropic) and ChatGPT (OpenAI) based on publicly available SEC EDGAR filings. It does not include stock price data and should not be considered financial advice. All fundamental data is sourced from SEC public domain filings. Always conduct your own research and consult with a qualified financial advisor before making investment decisions.
Data Source: SEC EDGAR | Analysis Date: Mar 22, 2026 | Data as of: 2025-12-31 | Powered by Claude AI