Century Aluminum Company (CENX)vsRio Tinto ADR (RIO)
CENX
Century Aluminum Company
$60.12
-9.50%
BASIC MATERIALS · Cap: $6.06B
RIO
Rio Tinto ADR
$100.69
-4.47%
BASIC MATERIALS · Cap: $168.54B
Smart Verdict
WallStSmart Research — data-driven comparison
Rio Tinto ADR generates 2166% more annual revenue ($57.64B vs $2.54B). RIO leads profitability with a 17.3% profit margin vs 13.7%. CENX appears more attractively valued with a PEG of 0.06. CENX earns a higher WallStSmart Score of 65/100 (C+).
CENX
Buy65
out of 100
Grade: C+
RIO
Buy54
out of 100
Grade: C-
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
-84.5%
Fair Value
$28.96
Current Price
$60.12
$31.16 premium
Margin of Safety
+24.5%
Fair Value
$129.94
Current Price
$100.69
$29.25 discount
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Growing faster than its price suggests
Every $100 of equity generates 32 in profit
Earnings expanding 1010.0% YoY
Every $100 of equity generates 35 in profit
Large-cap with strong market position
Attractively priced relative to earnings
Reasonable price relative to book value
Strong operational efficiency at 25.3%
Generating 2.5B in free cash flow
Areas to Watch
2.4% revenue growth
Negative free cash flow — burning cash
Distress zone — elevated risk
Weak financial health signals
Expensive relative to growth rate
Earnings declined 5.6%
Comparative Analysis Report
WallStSmart ResearchBull Case : CENX
The strongest argument for CENX centers on PEG Ratio, Return on Equity, EPS Growth. PEG of 0.06 suggests the stock is reasonably priced for its growth.
Bull Case : RIO
The strongest argument for RIO centers on Return on Equity, Market Cap, P/E Ratio. Profitability is solid with margins at 17.3% and operating margin at 25.3%. Revenue growth of 14.6% demonstrates continued momentum.
Bear Case : CENX
The primary concerns for CENX are Revenue Growth, Free Cash Flow, Altman Z-Score.
Bear Case : RIO
The primary concerns for RIO are Piotroski F-Score, PEG Ratio, EPS Growth.
Key Dynamics to Monitor
CENX profiles as a value stock while RIO is a mature play — different risk/reward profiles.
CENX carries more volatility with a beta of 1.92 — expect wider price swings.
RIO is growing revenue faster at 14.6% — sustainability is the question.
RIO generates stronger free cash flow (2.5B), providing more financial flexibility.
Bottom Line
CENX scores higher overall (65/100 vs 54/100). RIO offers better value entry with a 24.5% margin of safety. Both earn "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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