CSTM
Constellium SE Basic Materials - Aluminum Investor Relations →
Constellium SE (CSTM) closed at $24.74 as of 2026-02-02, trading 60.7% above its 200-week moving average of $15.39. The stock moved further from the line this week, up from 46.4% last week. With a 14-week RSI of 92, CSTM is in overbought territory.
Over the past 615 weeks of data, CSTM has crossed below its 200-week moving average 12 times. On average, these episodes lasted 26 weeks. Historically, investors who bought CSTM at the start of these episodes saw an average one-year return of +4.1%.
With a market cap of $3.5 billion, CSTM is a mid-cap stock. The company generates a free cash flow yield of 0.8%. Return on equity stands at 12.2%. The stock trades at 4.0x book value.
Over the past 11.9 years, a hypothetical investment of $100 in CSTM would have grown to $80, compared to $448 for the S&P 500. CSTM has returned -1.8% annualized vs 13.4% for the index, underperforming the broader market over this period.
Free cash flow has been declining at a -100% compound annual rate. A deteriorating cash flow trend warrants extra scrutiny — the stock may be cheap for a reason.
Growth of $100: CSTM vs S&P 500
Monthly data normalized to $100 at start. Vertical dashed lines mark 200-week MA touches.
What Happens After CSTM Crosses Below the Line?
Across 12 historical episodes, buying CSTM when it crossed below its 200-week moving average produced an average return of +5.2% after 12 months (median -17.0%), compared to +11.5% for the S&P 500 over the same periods. 33% of those episodes were profitable after one year. After 24 months, the average return was +47.7% vs +34.5% for the index.
Each line shows $100 invested at the moment CSTM crossed below its 200-week MA. Bold blue = stock average. Gray dashed = S&P 500 average over same periods.
Historical Touches
CSTM has crossed below its 200-week MA 12 times with an average 1-year return of +4.1% after recovery.
| Crossed Below | Recovered | Weeks | Max Depth | 1-Year Return | Return Since Touch |
|---|---|---|---|---|---|
| Sep 2014 | Jan 2018 | 172 | 80.9% | -71.8% | +11.7% |
| Feb 2018 | Feb 2018 | 1 | 1.1% | -26.6% | +106.2% |
| Feb 2018 | Mar 2018 | 1 | 0.9% | -19.2% | +110.6% |
| Mar 2018 | Apr 2018 | 5 | 8.1% | -20.5% | +132.3% |
| Oct 2018 | Feb 2019 | 15 | 25.5% | +44.5% | +172.5% |
| Mar 2019 | Mar 2019 | 1 | 2.3% | +14.6% | +197.7% |
| Mar 2019 | Apr 2019 | 1 | 5.2% | -32.7% | +210.0% |
| May 2019 | Jun 2019 | 1 | 1.7% | +0.5% | +202.8% |
| Mar 2020 | Nov 2020 | 35 | 56.6% | +148.5% | +266.0% |
| Aug 2022 | Jan 2023 | 19 | 22.3% | +40.0% | +91.3% |
| Jul 2024 | Aug 2024 | 3 | 4.2% | -16.8% | +55.8% |
| Sep 2024 | Oct 2025 | 59 | 49.9% | -11.8% | +49.6% |
| Average | 26 | — | +4.1% | — |
Not financial advice. This is an educational tool. Past performance does not guarantee future results. Do your own research before making investment decisions.
Data as of Friday close, 2026-02-02