Century Aluminum Company (CENX)vsRio Tinto ADR (RIO)
CENX
Century Aluminum Company
$39.40
+0.77%
BASIC MATERIALS · Cap: $3.90B
RIO
Rio Tinto ADR
$97.49
+0.46%
BASIC MATERIALS · Cap: $158.36B
Smart Verdict
WallStSmart Research — data-driven comparison
Rio Tinto ADR generates 2217% more annual revenue ($61.79B vs $2.67B). CENX leads profitability with a 22.6% profit margin vs 19.6%. CENX appears more attractively valued with a PEG of 0.06. CENX earns a higher WallStSmart Score of 84/100 (A-).
CENX
Exceptional Buy84
out of 100
Grade: A-
RIO
Buy64
out of 100
Grade: C+
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
-74.1%
Fair Value
$30.69
Current Price
$39.40
$8.71 premium
Margin of Safety
+29.2%
Fair Value
$138.52
Current Price
$97.49
$41.03 discount
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Growing faster than its price suggests
Attractively priced relative to earnings
Every $100 of equity generates 32 in profit
Earnings expanding 1010.0% YoY
Keeps 23 of every $100 in revenue as profit
Reasonable price relative to book value
Every $100 of equity generates 34 in profit
Large-cap with strong market position
Attractively priced relative to earnings
Reasonable price relative to book value
Strong operational efficiency at 28.1%
15.5% revenue growth
Areas to Watch
Distress zone — elevated risk
Weak financial health signals
Expensive relative to growth rate
Comparative Analysis Report
WallStSmart ResearchBull Case : CENX
The strongest argument for CENX centers on PEG Ratio, P/E Ratio, Return on Equity. Profitability is solid with margins at 22.6% and operating margin at 28.1%. Revenue growth of 19.7% demonstrates continued momentum.
Bull Case : RIO
The strongest argument for RIO centers on Return on Equity, Market Cap, P/E Ratio. Profitability is solid with margins at 19.6% and operating margin at 28.1%. Revenue growth of 15.5% demonstrates continued momentum.
Bear Case : CENX
The primary concerns for CENX are Altman Z-Score.
Bear Case : RIO
The primary concerns for RIO are Piotroski F-Score, PEG Ratio.
Key Dynamics to Monitor
CENX carries more volatility with a beta of 1.99 — expect wider price swings.
CENX is growing revenue faster at 19.7% — sustainability is the question.
RIO generates stronger free cash flow (3.2B), providing more financial flexibility.
Monitor ALUMINUM industry trends, competitive dynamics, and regulatory changes.
Bottom Line
CENX scores higher overall (84/100 vs 64/100), backed by strong 22.6% margins and 19.7% revenue growth. RIO offers better value entry with a 29.2% margin of safety. Both earn "Exceptional Buy" and "Buy" ratings respectively — the choice depends on your investment horizon and risk tolerance.
This analysis is generated from publicly available financial data. Not financial advice.
Century Aluminum Company
BASIC MATERIALS · ALUMINUM · USA
Century Aluminum Company produces standard quality and value-added primary aluminum products in the United States and Iceland. The company is headquartered in Chicago, Illinois.
Rio Tinto ADR
BASIC MATERIALS · OTHER INDUSTRIAL METALS & MINING · USA
Rio Tinto Group is dedicated to the exploration, extraction and processing of mineral resources worldwide. The company is headquartered in London, the United Kingdom.
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