CSTM vs. CENX
CSTM (Constellium SE) and CENX (Century Aluminum Company) are both stocks. Both operate in the Aluminum industry within the Basic Materials sector. Over the past 10 years, CSTM returned 18.52%/yr vs 20.79%/yr for CENX. Their 0.47 correlation means their historical movements had little consistent relationship.
Performance
CSTM vs. CENX - Performance Comparison
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Returns By Period
In the year-to-date period, CSTM achieves a 47.37% return, which is significantly higher than CENX's 14.27% return. Over the past 10 years, CSTM has underperformed CENX with an annualized return of 18.52%, while CENX has yielded a comparatively higher 20.79% annualized return.
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%
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%
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 |
CSTM vs. CENX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
CSTM Constellium SE | 47.37% | 83.54% | -48.55% | 68.72% | -33.95% | 28.02% | 4.40% | 91.70% | -37.31% | 88.98% |
CENX Century Aluminum Company | 14.27% | 115.04% | 50.08% | 48.41% | -50.60% | 50.14% | 46.77% | 2.80% | -62.78% | 129.44% |
Correlation
The correlation between CSTM and CENX 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 CSTM and CENX has been stable across timeframes, ranging from 0.43 to 0.51 - a consistent structural relationship.
Fundamentals
CSTM:
$3.76B
CENX:
$4.43B
CSTM:
$5.20
CENX:
$3.48
CSTM:
5.34
CENX:
12.88
CSTM:
0.07
CENX:
0.04
CSTM:
0.31
CENX:
1.77
CSTM:
$9.58B
CENX:
$2.54B
CSTM:
$911.00M
CENX:
$322.30M
CSTM:
$870.00M
CENX:
$466.30M
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Return for Risk
CSTM vs. CENX — Risk / Return Rank
CSTM
CENX
CSTM vs. CENX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Constellium SE (CSTM) and Century Aluminum Company (CENX). 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.
| CSTM | CENX | 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 | 1.33 | 1.29 | +0.04 |
| Calmar ratioReturn relative to maximum drawdown | 4.38 | 2.82 | +1.55 |
| Martin ratioReturn relative to average drawdown | 13.69 | 7.73 | +5.96 |
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Drawdowns
CSTM vs. CENX - Drawdown Comparison
The maximum CSTM drawdown since its inception was -88.70%, smaller than the maximum CENX drawdown of -98.67%. Use the drawdown chart below to compare losses from any high point for CSTM and CENX.
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Drawdown Indicators
| CSTM | CENX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -88.70% | -98.67% | +9.97% |
Max Drawdown (1Y)Largest decline over 1 year | -23.57% | -39.65% | +16.08% |
Max Drawdown (3Y)Largest decline over 3 years | -66.35% | -42.77% | -23.58% |
Max Drawdown (5Y)Largest decline over 5 years | -66.35% | -82.10% | +15.75% |
Max Drawdown (10Y)Largest decline over 10 years | -72.30% | -87.51% | +15.21% |
Current DrawdownCurrent decline from peak | -23.15% | -44.03% | +20.88% |
Average DrawdownAverage peak-to-trough decline | -53.35% | -61.03% | +7.68% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 7.54% | 14.47% | -6.93% |
Volatility
CSTM vs. CENX - Volatility Comparison
The current volatility for Constellium SE (CSTM) is 10.49%, while Century Aluminum Company (CENX) has a volatility of 13.92%. This indicates that CSTM experiences smaller price fluctuations and is considered to be less risky than CENX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| CSTM | CENX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 10.49% | 13.92% | -3.43% |
Volatility (6M)Calculated over the trailing 6-month period | 36.80% | 47.32% | -10.52% |
Volatility (1Y)Calculated over the trailing 1-year period | 47.13% | 64.30% | -17.17% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 46.72% | 71.84% | -25.12% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 56.13% | 70.39% | -14.26% |
Dividends
CSTM vs. CENX - Dividend Comparison
Neither CSTM nor CENX has paid dividends to shareholders.
Financials
CSTM vs. CENX - Financials Comparison
This section allows you to compare key financial metrics between Constellium SE and Century Aluminum Company. 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
CSTM vs. CENX - Profitability Comparison
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 - 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 - 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 - 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 - 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%.
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%.
Frequently Asked Questions
CSTM and CENX 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, CSTM dropped -88.70% vs CENX's -98.67%.
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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