Century Aluminum Company vs Rio Tinto Group
RIO wins the Tale of the Tape 5–4.
🏆 Tale of the Tape
Green = winner in each category. Higher is better except P/E (lower = cheaper).
Rolling Correlation
Moderately correlated — some diversification benefit from holding both.
Fundamentals
| Metric | CENX | RIO |
|---|---|---|
| Market Cap | $6.5B | $173.0B |
| P/E Ratio | 19.6x | 17.5x |
| Forward P/E | 6.3x | 12.0x |
| P/B | 5.67x | 2.78x |
| Dividend Yield | — | 3.78% |
| Beta | 1.92 | 0.63 |
Quantitative Metrics
| Metric | CENX | RIO |
|---|---|---|
| DCF Fair Value | $1.32 | $28.90 |
| DCF Upside | -98.0% | -70.9% |
| Piotroski F | 7/9 | 4/9 |
| Altman Z | 3.42 | 3.01 |
| Beneish M | -2.57 | — |
| FCF Yield | 1.22% | 2.58% |
| Net Debt/EBITDA | 2.4x | 0.6x |
| ROIC | 2.3% | 11.5% |
| WACC | 16.1% | 8.3% |
| ROIC – WACC | -13.8pp | 3.2pp |
| Gross Margin | 10.1% | 57.4% |
| Net Margin | 1.7% | 17.3% |
| Rev Growth YoY | 13.9% | 7.4% |
| Sharpe (1Y) | 2.50 | 2.33 |
| Max Drawdown 3Y | -42.8% | -24.2% |
| FCF Payout Ratio | — | 137% |
CENX Price
RIO Price
ETF Exposure
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Quant metrics computed from financial statements and 1,200+ trading days. Correlation is Pearson coefficient on daily log returns. Not investment advice.
CENX vs RIO: Head-to-Head Analysis
Century Aluminum Company (CENX) and Rio Tinto Group (RIO) represent two companies in the Basic Materials sector. In our quantitative Tale of the Tape scoring, RIO leads 5–4 across nine fundamental and risk metrics including profitability, valuation, capital efficiency, and financial health.
In terms of capital efficiency, CENX generates a return on invested capital (ROIC) of 2.3% compared to RIO's 11.5%. This suggests RIO is more effective at deploying capital to generate shareholder returns.
The 252-day rolling correlation between CENX and RIO is 0.384, indicating moderate co-movement, with some diversification value from holding both in a portfolio context.
CENX appears in 9 ETFs tracked by SecuritiesDB, while RIO appears in 10 ETFs. Investors holding broad-market ETFs may already have indirect exposure to both stocks.
Frequently Asked Questions
Which stock is the better investment, CENX or RIO?
Our quantitative analysis compares CENX and RIO across nine fundamental dimensions. RIO wins the Tale of the Tape 5–4. However, stock selection depends on your individual risk tolerance, time horizon, and portfolio context. These metrics are computed from SEC filings and market data — they are not investment recommendations.
Are CENX and RIO correlated?
The 252-day correlation between CENX and RIO is 0.384. They show moderate correlation — partially diversifying.
How is the Tale of the Tape scored?
The Tale of the Tape compares both stocks across nine categories: profitability (net margin), valuation (P/E), efficiency (ROIC), health (Piotroski F-Score), safety (Altman Z-Score), growth (revenue YoY), risk (Sharpe ratio), leverage (debt-to-equity), and cash generation (FCF yield). The stock that wins more categories takes the overall score. Lower P/E and lower debt-to-equity count as wins.