CENX vs. CSTM
CENX (Century Aluminum Company) and CSTM (Constellium SE) are both stocks. Both operate in the Aluminum industry within the Basic Materials sector. Over the past 10 years, CENX returned 20.79%/yr vs 18.52%/yr for CSTM. Their 0.47 correlation means their historical movements had little consistent relationship.
Performance
CENX vs. CSTM - Performance Comparison
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Returns By Period
In the year-to-date period, CENX achieves a 14.27% return, which is significantly lower than CSTM's 47.37% return. Over the past 10 years, CENX has outperformed CSTM with an annualized return of 20.79%, while CSTM has yielded a comparatively lower 18.52% annualized return.
CENX
- 1D
- -0.25%
- 1M
- 2.31%
- 6M
- -1.24%
- YTD
- 14.27%
- 1Y
- 118.71%
- 3Y*
- 69.21%
- 5Y*
- 25.19%
- 10Y*
- 20.79%
- ALL TIME*
- 4.66%
CSTM
- 1D
- -2.77%
- 1M
- -5.80%
- 6M
- 23.63%
- YTD
- 47.37%
- 1Y
- 110.14%
- 3Y*
- 13.86%
- 5Y*
- 8.04%
- 10Y*
- 18.52%
- ALL TIME*
- 5.62%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $78.09M | $78.34M | $110.32M | |
CSTM Constellium SE | $55.17M | $50.63M | $64.86M |
CENX vs. CSTM - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
CENX Century Aluminum Company | 14.27% | 115.04% | 50.08% | 48.41% | -50.60% | 50.14% | 46.77% | 2.80% | -62.78% | 129.44% |
CSTM Constellium SE | 47.37% | 83.54% | -48.55% | 68.72% | -33.95% | 28.02% | 4.40% | 91.70% | -37.31% | 88.98% |
Correlation
The correlation between CENX and CSTM is 0.43, which is low. Their historical price movements had little consistent relationship.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.43 |
Correlation (3Y) Balances recent behavior with more history. | 0.46 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.51 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.50 |
Correlation (All Time) Calculated using the full available price history since May 23, 2013 | 0.47 |
The correlation between CENX and CSTM has been stable across timeframes, ranging from 0.43 to 0.51 - a consistent structural relationship.
Fundamentals
CENX:
$4.43B
CSTM:
$3.76B
CENX:
$3.48
CSTM:
$5.20
CENX:
12.88
CSTM:
5.34
CENX:
0.04
CSTM:
0.07
CENX:
1.77
CSTM:
0.31
CENX:
$2.54B
CSTM:
$9.58B
CENX:
$322.30M
CSTM:
$911.00M
CENX:
$466.30M
CSTM:
$870.00M
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Return for Risk
CENX vs. CSTM — Risk / Return Rank
CENX
CSTM
CENX vs. CSTM - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Century Aluminum Company (CENX) and Constellium SE (CSTM). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| CENX | CSTM | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.48 | ||
| Sortino ratioReturn per unit of downside risk | -0.64 | ||
| Omega ratioGain probability vs. loss probability | 1.29 | 1.33 | -0.04 |
| Calmar ratioReturn relative to maximum drawdown | 2.82 | 4.38 | -1.55 |
| Martin ratioReturn relative to average drawdown | 7.73 | 13.69 | -5.96 |
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Drawdowns
CENX vs. CSTM - Drawdown Comparison
The maximum CENX drawdown since its inception was -98.67%, which is greater than CSTM's maximum drawdown of -88.70%. Use the drawdown chart below to compare losses from any high point for CENX and CSTM.
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Drawdown Indicators
| CENX | CSTM | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -98.67% | -88.70% | -9.97% |
Max Drawdown (1Y)Largest decline over 1 year | -39.65% | -23.57% | -16.08% |
Max Drawdown (3Y)Largest decline over 3 years | -42.77% | -66.35% | +23.58% |
Max Drawdown (5Y)Largest decline over 5 years | -82.10% | -66.35% | -15.75% |
Max Drawdown (10Y)Largest decline over 10 years | -87.51% | -72.30% | -15.21% |
Current DrawdownCurrent decline from peak | -44.03% | -23.15% | -20.88% |
Average DrawdownAverage peak-to-trough decline | -61.03% | -53.35% | -7.68% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 14.47% | 7.54% | +6.93% |
Volatility
CENX vs. CSTM - Volatility Comparison
Century Aluminum Company (CENX) has a higher volatility of 13.92% compared to Constellium SE (CSTM) at 10.49%. This indicates that CENX's price experiences larger fluctuations and is considered to be riskier than CSTM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| CENX | CSTM | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 13.92% | 10.49% | +3.43% |
Volatility (6M)Calculated over the trailing 6-month period | 47.32% | 36.80% | +10.52% |
Volatility (1Y)Calculated over the trailing 1-year period | 64.30% | 47.13% | +17.17% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 71.84% | 46.72% | +25.12% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 70.39% | 56.13% | +14.26% |
Dividends
CENX vs. CSTM - Dividend Comparison
Neither CENX nor CSTM has paid dividends to shareholders.
Financials
CENX vs. CSTM - Financials Comparison
This section allows you to compare key financial metrics between Century Aluminum Company and Constellium SE. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
CENX vs. CSTM - Profitability Comparison
CENX - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Century Aluminum Company reported a gross profit of 118.80M and revenue of 649.20M. Therefore, the gross margin over that period was 18.3%.
CSTM - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Constellium SE reported a gross profit of 0.00 and revenue of 2.75B. Therefore, the gross margin over that period was 0.0%.
CENX - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Century Aluminum Company reported an operating income of 374.00M and revenue of 649.20M, resulting in an operating margin of 57.6%.
CSTM - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Constellium SE reported an operating income of 0.00 and revenue of 2.75B, resulting in an operating margin of 0.0%.
CENX - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Century Aluminum Company reported a net income of 337.50M and revenue of 649.20M, resulting in a net margin of 52.0%.
CSTM - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Constellium SE reported a net income of 148.00M and revenue of 2.75B, resulting in a net margin of 5.4%.
Frequently Asked Questions
CENX and CSTM have a correlation of 0.43, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
CENX has higher volatility (13.92%) compared to CSTM (10.49%). In terms of maximum drawdown, CENX dropped -98.67% vs CSTM's -88.70%.
CSTM currently has the higher Sharpe Ratio (2.22 vs 1.74), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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