CSTM Stock Summary and Trading Ideas (Constellium Se Ordinary Shares (France) | NYSE:CSTM)

Constellium SE is engaged in the development, manufacture and sale of a broad range of high value-added specialty rolled and extruded aluminum products to the aerospace, space, defense, packaging, automotive, commercial transportation and general industrial end-markets. Its business model is to add value by converting aluminum into semi-fabricated and, in some instances, fully-fabricated alloyed aluminum products that meet stringent and performance-critical requirements from customers. It operates through three segments: Aerospace & Transportation Operating Segment, Packaging & Automotive Rolled Products Operating Segment, and Automotive Structures & Industry Operating Segment. It serves Aerospace, Packaging and Automotive and operates in the United States, France, Germany and others.

Constellium Se Ordinary Shares (France) trades on the NYSE stock market under the symbol CSTM.

As of August 19, 2026, CSTM stock price declined to $27.64 with 402,282 million shares trading.

CSTM has a beta of 1.46, meaning it tends to be more sensitive to market movements. CSTM has a correlation of 0.21 to the broad based SPY ETF.

CSTM has a market cap of $3.75 billion. This is considered a Mid Cap stock.

Last quarter Constellium Se Ordinary Shares (France) reported $3 billion in Revenue and $1.04 earnings per share. This beat revenue expectation by $303 million and exceeded earnings estimates by $.22.

In the last 3 years, CSTM traded as high as $36.99 and as low as $7.33.

The top ETF exchange traded funds that CSTM belongs to (by Net Assets): IWM, AVDV, IWO, VTWO, VAW.

CSTM has outperformed the market in the last year with a return of +95.6%, while the SPY ETF gained +21.0%. However, in the most recent history, CSTM shares have underperformed the stock market with its stock returning -14.3% in the last 3 month period and -6.9% for the last 2 week period, while SPY has returned +4.6% and 0.0%, respectively.

CSTM support price is $27.18 and resistance is $28.81 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that CSTM shares will trade within this expected range on the day.