Insider buying last 90 days
No open-market insider purchases were filed for CSTM in the last 90 days.
From Form 4 filings, dated to when each was filed.
Every CSTM insider filing, plotted on the chart in Gekko.Open CSTM in Gekko
NYSE: CSTM
Constellium (CSTM) Stock Analysis & Forecast
Oct 12 close
$25.50−0.31 (−1.2%)
Gekko Brief
AI summaryOct 12 closeThis week's coverage of Constellium centers on the stock's year-to-date performance, up 36%, with commentary pointing to strong end-market demand, record segment EBITDA, and share buybacks as supportive factors, alongside recent bearish technical signals. Separate coverage flags CSTM as a top-ranked growth stock, and a comparison piece weighs Constellium against Barrick Mining on profitability, risk, institutional ownership, earnings, valuation and dividends.
CSTM closed at $25.50, down 1.2%, sitting below both its 50-day average of $26.73 and 200-day average of $27.62, with the 50-day also below the 200-day. The stock's one-month return is -2.6%, its three-month return -12.6%, and its six-month return -16.1%, against a 52-week range of $14.39 to $36.99. The GekkoIndex reads 58.8, placing it in the Neutral zone, down 3.3 over the past five readings. Price sits 20.1% below Gekko Fair Value of $31.93.
Constellium reports earnings on 28 October 2026, 16 days away, falling inside a typical 20-trading-day holding period; the prior quarter saw EPS of $1.04 versus a $0.91 estimate, with a -1.8% reaction, and beats in 5 of the last 8 quarters, with an average absolute reaction of 9.7%. No insider, Congress or unusual options activity appears in their respective windows. Seasonality over the past 5 years shows a mean 20-day return of -0.7% from this point, rising in 3 of those years. Analyst consensus from 5 firms includes 4 buy and 1 hold ratings, with a consensus target of $34.81.
Written by AI from the Oct 12, 2026 close and checked automatically against the figures on this page.
Constellium price vs fair value
Close $25.50200-day averageGekko Fair Value $31.93
Constellium quick facts
- Market cap
- $3.46B
- P/E ratio
- 6.6
- Forward P/E
- 8.2
- EPS, TTM
- $3.87
- Revenue, TTM
- $9.58B
- Profit margin
- 5.7%
- Dividend yield
- —
- Beta
- 1.57
- Volume
- 1.02M avg 1.64M
- 1-year return
- +70.0%
- Typical daily move
- ±3%
- Typical 20-day move
- ±7.2%
- 50-day average
- $26.73
- 200-day average
- $27.62
- Next earnings
- Oct 28
- Shares outstanding
- 135.5M
Constellium swing-trade checklist
Constellium scores 1 supportive, 2 mixed and 2 headwinds across the 5 checklist items with data.
Six things swing traders check before a 20-day hold, read from the latest data.
1 supportive2 mixed2 headwinds
- Trendheadwind
Below 50 and 200-day
Close $25.50 is below the 50-day ($26.73) and 200-day ($27.62) averages, and the 50-day is below the 200-day.
See the chart - GekkoIndexmixed
58.8, Neutral
Reading 58.8 is in the Neutral zone.
See the GekkoIndex - Fair valuesupportive
20.1% below
Price is 20.1% below Gekko Fair Value (more than 5% below).
See fair value - Smart moneyno data
No data
No insider, Congress or unusual options activity in the window.
See smart money - Earnings riskheadwind
Reports in 16 days
Reports on Oct 28, 2026, 16 days away — inside a typical 20-trading-day hold.
See earnings - Seasonalitymixed
−0.7% on average
From this point in the calendar, the next 20 trading days averaged −0.7% over 5 years, rising in 3 of them.
See seasonality
A description of current data, not a recommendation. How this page works
Constellium stock chart and price history
Constellium closed at $25.50 on Oct 12, 2026, +70.0% over the past year, inside a 52-week range of $14.39 to $36.99.
Close50-day average200-day averageVolume
Use the left and right arrow keys to read daily values.
Performance Breakdown
- 1 month
- −2.6%
- 3 months
- −12.6%
- 6 months
- −16.1%
- 1 year
- +70.0%
The full CSTM chart adds GekkoIndex, insider, options, Congress and hedge fund markers, plus TrendCandles™.Open CSTM in Gekko
Follow Constellium through every session
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About Constellium
Constellium makes rolled and extruded aluminum products used in packaging, aerospace, and automotive manufacturing. The company is known for turning raw aluminum into specialized materials such as can stock, aerospace plates and sheets, and structural automotive parts, supplying industries that need lightweight, durable metal components.
The business is divided into three segments. Packaging & Automotive Rolled Products covers rolled aluminum for beverage and food cans, flexible packaging foil, and automotive body sheets and heat exchangers. Aerospace & Transportation produces plates, sheets, and extrusions for aircraft parts like wing skins, along with materials for transportation, industrial, and defense customers. Automotive Structures & Industry makes extruded components such as crash-management systems, body structures, and battery enclosures, and also offers services like pre-machining, surface treatment, and technical support. Constellium sells both directly to customers and through distributors, with sales activity spanning several European countries, the United States, Shanghai, and Seoul.
Founded in 2010, Constellium is headquartered in Paris, France. Its shares are listed on the NYSE under the ticker CSTM.
- Listed
- NYSE
- Sector
- Non-energy minerals
- Industry
- Aluminum
- Website
- constellium.com
Constellium GekkoIndex: the smart money zone
Constellium’s GekkoIndex — Gekko’s 0 to 100 smart money score — reads 58.8, in the Neutral zone, down 3.3 points over five sessions.
58.8Neutral
Down 3.3 points over five sessions, from the Accumulation zone.
Reading for Oct 12, 2026
What followed past readings in each zone
| Zone | Readings | 5 days | 20 days | ||
|---|---|---|---|---|---|
| Buying | 34 | +1.5% | +6.9% | ||
| Accumulation | 226 | −0.7% | +0.1% | ||
| Neutral (current zone) | 395 | +1.0% | +2.1% | ||
| Distribution | 26 | +0.6% | +3.8% | ||
| Selling | 1 | Too few readings yet | |||
Average CSTM share-price change over the trading days after each daily reading in its GekkoIndex history. Across every stock Gekko tracks, Neutral readings averaged +1.1% over 20 days. Past behaviour doesn’t guarantee future results.
Neutral zone: No clear directional signal. About the five zones →
See every daily GekkoIndex reading plotted over the CSTM price, zone by zone.Track CSTM in Gekko
Is Constellium stock overvalued? Gekko Fair Value
Constellium trades 20.1% below Gekko Fair Value of $31.93, so the shares are undervalued on Gekko’s estimate.
Gekko’s own estimate of what Constellium shares are worth, recalculated every trading day.
$31.93
Gekko Fair Value, Oct 10, 2026
20.1% Undervalued
At the end of Aug 2026 the price was 24.1% below the estimate.
Gekko Fair ValueShare price, month end
Gekko Fair Value on every chart, with the gap to price updating daily.Open CSTM in Gekko
Constellium insider and Congress trading
No open-market insider purchases were filed for Constellium, and no Congress trades were disclosed, in the last 90 days.
Plus buybacks, unusual options and fund positions, each dated to when it became public.
Congress trades last 90 days
No trades in CSTM were disclosed by members of Congress in the last 90 days.
From congressional disclosures, which report amounts as ranges.
Congress disclosures for CSTM, plotted on the chart in Gekko.Open CSTM in Gekko
Buybacks
Constellium has been buying back its own shares.
- Latest authorization
- $300.0M, Mar 12, 2026
- Bought back, quarter ended Jun 30, 2026
- $20.00M
- As a share of market cap
- 0.58%
- Trailing four quarters
- $114.7M
From company filings.
Hedge funds and billionaires quarter ended Mar 31
0of the funds Gekko tracks hold CSTM.
0added0opened0trimmed1sold out
Which funds are on each side, name by name.Unlock in Gekko
Constellium earnings: next date and track record
Constellium reports on Oct 28, 2026 (16 days away), and beat the EPS estimate in 5 of its last 8 reports.
Next earnings report
Oct 28, 2026
16 days away
- EPS estimate
- $0.72
- Revenue estimate
- $2.50B
5 of 8reports beat the EPS estimate
±9.7%average move across the report
5 of 8reports followed by a gain
Share-price move across each report
Last earnings call, Jul 29, 2026 AI summary
- What they said
- Constellium delivered a strong Q2 2026 with record Adjusted EBITDA and improved performance across all operating segments driven by operational focus, cost control, favorable market dynamics (aerospace recovery, TID demand, automotive raw product shortages in North America), and recycling benefits. Shipments totaled 381k tons and revenue rose 31% year-over-year, aided by higher metal prices. Management raised full-year 2026 outlook and reiterated that 2026 should be a record year for Adjusted EBITDA and Free Cash Flow. Key strategic investments (Airware cast house in Issoire, Nostitz recycling center, Muscle Shoals and Ravenswood casting complexes) are progressing, with several assets expected to ramp in 2027–2028 to reduce metal costs and support growth. Management emphasized safety, delivered segment-level records for A&T and P&ARP, and highlighted cost control, hedging strategies for energy (>50% locked for 2027), and continued focus on recycling and productivity improvements. Q&A focused on the second-half bridge, scrap spread dynamics, investment payback and timing, potential EU export tax on scrap, and outlook into 2027/2028. Management was confident and constructive but acknowledged macro, metal price, and scrap spread volatility and seasonality as risks.
- Guidance
- Management raised the full-year 2026 outlook and stated they expect 2026 to be a record year for Adjusted EBITDA and Free Cash Flow. Specific forward-looking items mentioned: more than 50% of forecasted energy consumption is hedged/locked for 2027; A&T through-cycle EBITDA per ton guidance of EUR 1,300; Airware cast house (Issoire) to ramp in 2027; Nostitz recycling center and Muscle Shoals caster to ramp in 2027; two Ravenswood casting complexes with first online in 2028. No explicit numeric revenue or EBITDA guidance was provided in the transcript beyond the statement of raising the outlook and expecting record results.
- Risks flagged
- Key risks mentioned include metal price volatility and scrap spread fluctuations which materially affect revenue and margins; macroeconomic and geopolitical uncertainties; potential EU export tax (proposed export tax on aluminum scrap) which could change European scrap spreads (likely effect supportive to spreads but policy timing and member-state votes could delay impact until 2027); energy cost exposure (mitigated partly by hedging program); seasonality and planned outages (summer and December) that can weigh on second-half results.
| Reported | EPS | Revenue | Move |
|---|---|---|---|
| Jul 29, 2026 | $1.04 est $0.91 | $2.75B est $2.73B | −1.8% |
| Apr 29, 2026 | $1.02 est $0.51 | $2.46B est $2.43B | +0.6% |
| Feb 18, 2026 | $0.68 est $0.29 | $2.20B est $2.06B | +10.3% |
| Oct 29, 2025 | $0.62 est $0.32 | $2.17B est $1.79B | −4.3% |
| Jul 29, 2025 | $0.09 est $0.27 | $2.46B est $2.29B | +6.0% |
| Apr 30, 2025 | $0.26 est $0.09 | $2.17B est $2.04B | +12.4% |
| Feb 20, 2025 | −$0.15 est $0.14 | $1.98B est $1.91B | +15.0% |
| Oct 23, 2024 | $0.01 est $0.35 | $1.80B est $1.77B | −27.3% |
“Move” is the close of the first session after the report compared with the close of the last session before it, so it reads the same whether the company reported before the open or after the close.
Constellium stock forecast and analyst price targets
Analysts’ average 12-month price target for Constellium is $34.81, +36.5% from the last close, from 5 firms rating the stock in the last 90 days.
$34.81consensus 12-month target, +36.5% from the last close
Now $25.50Avg $34.81
Low $32High $40
Each firm’s latest rating in the last 90 days: 5 firms.
Latest analyst actions
| Date | Firm | Target | vs price |
|---|---|---|---|
| Oct 8 | Deutsche Bank | $36 | +41.2% |
| Oct 8 | UBS | $32 | +25.5% |
| Sep 18 | Wells Fargo | $38 | +49.0% |
| Aug 25 | UBS | $35 | +37.3% |
| Jul 30 | Wells Fargo | $39 | +52.9% |
+2.1%average 20-day move after past Neutral readings
−0.7%average move over the next 20 trading days in the last 5 years
±3%typical daily move, from the 14-day average range
Gekko doesn’t publish price predictions. These are analyst targets and historical base rates, which don’t guarantee future results.
Constellium seasonality: the next 20 trading days
Over the next 20 trading days from Oct 10, Constellium averaged −0.7% across the last 5 years, rising in 3 of them.
Next 20 trading days, by year
Average move and hit rate
| Window | Average | Years higher |
|---|---|---|
| Next 5 trading days | +2.9% | 4 of 5 |
| Next 10 trading days | −1.8% | 2 of 5 |
| Next 15 trading days | −4.6% | 1 of 5 |
| Next 20 trading days | −0.7% | 3 of 5 |
| Next 30 trading days | −1.5% | 3 of 5 |
For scale, CSTM’s typical 20-trading-day move in either direction is about 7.2%.
Constellium market cap and key statistics
Constellium’s market cap is $3.46B, with a P/E ratio of 6.6 and revenue of $9.58B over the last twelve months.
Valuation
- Market cap
- $3.46B
- P/E ratio
- 6.6
- Forward P/E
- 8.2
- EPS, TTM
- $3.87
- Gekko Fair Value
- $31.93
Trading
- Volume
- 1.02M
- Avg volume, 20 days
- 1.64M
- 52-week high
- $36.99
- 52-week low
- $14.39
- Shares outstanding
- 135.5M
Financials
- Revenue, TTM
- $9.58B
- Profit margin
- 5.7%
- Return on equity
- 53.1%
- Quarterly earnings growth, YoY
- +316.0%
Risk and income
- Beta
- 1.57
- Typical daily move
- ±3%
- Typical 20-day move
- ±7.2%
Constellium stock news this week
3 headlines about Constellium from the past week, newest first, each linking to the publisher.
- Constellium Shares Up 36% YTD: Is It the Right Time to Buy the Stock?Zacks Investment Research, Oct 9
- Constellium (CSTM) is a Top-Ranked Growth Stock: Should You Buy?Zacks Investment Research, Oct 9
- Reviewing Constellium (NYSE:CSTM) & Barrick Mining (NYSE:B)Defense World, Oct 6
Constellium peers
Constellium’s 4 largest industry peers by market value, with today’s move, GekkoIndex zone and gap to Gekko Fair Value.
| Stock | GekkoIndex zone | vs Fair Value |
|---|---|---|
| AAAlcoa | Accumulation | 5.3% below |
| CENXCentury Aluminum | Accumulation | 32.8% below |
| KALUKaiser Aluminum | Accumulation | 8.1% below |
| TGTredegar | Neutral | 31.8% below |
A peer links to its own page where one exists.
Constellium stock FAQ
What is Constellium’s market cap?
Constellium’s market cap is $3.46B at the Oct 12, 2026 close of $25.50, with 135.5M shares outstanding. The shares trade on a P/E ratio of 6.6.
What is the Constellium stock forecast?
The consensus analyst 12-month price target for Constellium is $34.81, +36.5% from the last close. Of the 5 firms that rated the stock in the last 90 days, 4 rate it a buy, 1 a hold and 0 a sell. Gekko doesn’t publish price predictions of its own.
Is Constellium stock overvalued or undervalued?
On Gekko’s estimate Constellium is undervalued: the Oct 12, 2026 close of $25.50 is 20.1% below Gekko Fair Value of $31.93. Gekko Fair Value is recalculated every trading day, and a gap inside 5% either way counts as about fair value.
When does Constellium report earnings next?
Constellium is expected to report on Oct 28, 2026 (16 days away). Analysts expect earnings of $0.72 per share on revenue of $2.50B. Constellium beat the earnings estimate in 5 of its last 8 reports, moving 9.7% on average across the report.
What is Constellium’s 52-week high and low?
Constellium’s 52-week high is $36.99 and its 52-week low is $14.39; it closed at $25.50 on Oct 12, 2026, +70.0% over the past year.
Is Constellium stock a buy right now?
Gekko describes the data; it does not make buy or sell recommendations. On the swing-trade checklist, 1 of the 5 items with data read as supportive (fair value), 2 as mixed (gekkoindex and seasonality) and 2 as headwinds (trend and earnings risk). The checklist is a description of current data, not a recommendation.
How this page works
During US trading hours the price at the top of the page is a delayed quote, refreshed every 15 minutes; everything else is rebuilt after each US market close. The GekkoIndex, Gekko Fair Value and the checklist are Gekko’s own, and the Gekko Brief is written by AI from this page’s data and checked against it before it is published. How Gekko’s data works →
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