Constellium SE (CSTM)

NYSE

$21.81

$+0.82

(+3.91%)

After-Hours

Constellium SE (CSTM) Live Price Chart

Last updated: ⁦2026-11-07 00:07:20⁩. Prices reflect the latest after-hours trading data. Stock price data is sourced from Massive.

Summary

Constellium SE (CSTM) operates in the SECONDARY SMELTING & REFINING OF NONFERROUS METALS sector and is listed on NYSE. The stock is currently priced at $21.81, with a market capitalization of $3.06B and a P/E ratio of 5.32. Over the past 52 weeks, its price has ranged from $14.62 to $36.99. This page covers its latest market performance, valuation, price trends and company information.

Key Market Data

Market Cap	$3.06B
Open	$21.36
Day's High	$36.99
Day's Low	$3.38
Previous Close	$20.99
Volume	1.28M
Average Volume	1.55M
P/E Ratio	5.32
52-Week High	$36.99
52-Week Low	$14.62
Dividend Yield	--
Earnings Date	--

Constellium SE (CSTM) After-Hours Stock Price

Constellium SE (CSTM) is trading at $21.41 in after-hours trading as of 2026-11-06 23:30:00, up 2.02% ($0.42) from the regular-session close of $20.99.

After-hours trading shows how investors are pricing CSTM after the regular session closes. The current after-hours price is above the regular-session close, indicating positive after-hours sentiment.

Constellium SE (CSTM) 7-Day Stock Price Change

Over the past seven days, Constellium SE (CSTM) moved from $24.43 to $21.81, representing a decline of 10.72% ($2.62).

The stock traded between $20.81 and $25.00 during the period. The latest price is near the lower end of the 7-day range, indicating strong downward.

The average daily volume was 2.20 million shares, up versus the previous seven-day period, indicating higher trading activity.

CSTM 52-Week Price Position

Position in Range: 32.2%

52W Low$14.62

52W High$36.99

CSTM is currently trading at $21.81, placing it 32.2% of the way from its 52-week low of $14.62 to its 52-week high of $36.99. This percentage reflects the stock's relative position within its 52-week trading range, not its valuation or future performance.

What is Constellium SE (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 Information

Industry	SECONDARY SMELTING & REFINING OF NONFERROUS METALS
Employees	11500
Exchange	NYSE
Company Website	https://www.constellium.com

How to Buy Constellium SE (CSTM) Stock on MEXC

Eligible investors can buy real shares of Constellium SE (CSTM) through MEXC RealStocks. Follow these three steps to open a RealStocks account, transfer USDT, and place a US stock order.

Step 1: Open and Verify Your RealStocks Account

Log in to the MEXC App, go to Trade → RealStocks, and select Open Account. Complete the required account-opening and identity verification process with MEXC's partner licensed broker.

Step 2: Transfer USDT to Your RealStocks Account

Go to Wallets → RealStocks and transfer USDT from your Spot Account to your RealStocks Account. RealStocks are quoted in USD, while account funding can be completed using USDT.

Step 3: Search for CSTM and Place Your Order

Open the RealStocks trading page and search for CSTM. Select a market or limit order, enter the price and quantity as required, review the order details, and submit your order. Once filled, the corresponding real shares will be held in your RealStocks Account.

Frequently Asked Questions (FAQ)

1.What is Constellium SE (CSTM) stock price today?

Constellium SE (CSTM) is currently trading at $ 21.81, up 3.92% ($0.82) from the previous close of $ 20.99. Intraday prices update in real time during regular trading hours.

2.Is CSTM stock going up or down today?

As of 2026-11-06 23:30:00, CSTM is trading at $ 21.81, up 3.92% ($0.82) from its previous close of $ 20.99. The stock has traded between $ 3.38 and $ 36.99 during today’s regular session. Past price movements do not guarantee future results.

3.What is CSTM pre-market price?

As of 2026-11-06 23:30:00, CSTM is trading at $ 21.26 in pre-market trading, up 1.26% ($0.27) from the previous close of $ 20.99. Pre-market prices reflect trading activity before the regular session opens and may experience lower liquidity and higher volatility.

4.What is CSTM after-hours price?

As of 2026-11-06 23:30:00, CSTM is trading at $ 21.41 in after-hours trading, up 2.02% ($0.42) from the regular-session close of $ 20.99. After-hours prices may differ from the regular session’s opening price due to lower liquidity and wider bid-ask spreads.

5.Is CSTM stock trading now?

CSTM trades on the NYSE exchange during regular hours, Monday through Friday, 9:30 AM to 4:00 PM ET, excluding public holidays. Pre-market and after-hours trading are also available through select brokers outside these hours.

6.Where does CSTM sit relative to its 52-week high and low?

Over the past 52 weeks, CSTM has traded between a low of $ 14.62 and a high of $ 36.99. At $ 21.81, the stock is positioned 32.2% of the way from its 52-week low to its 52-week high, providing context for its current price within the one-year trading range.

7.What sector is Constellium SE in?

Constellium SE (CSTM) operates in the SECONDARY SMELTING & REFINING OF NONFERROUS METALS sector. Sector classification helps investors compare it with companies exposed to similar market trends and competitive conditions.

8.What is Constellium SE's market capitalization and where is it listed?

Constellium SE is listed on the NYSE exchange with a market capitalization of $ 3.06B. Market cap reflects the total market value of all outstanding shares and is commonly used to classify stocks by size.

9.How is CSTM valued in terms of P/E ratio and EPS?

CSTM trades at a P/E ratio of 5.32, based on trailing-twelve-month EPS of $ 4.27. P/E ratio compares the stock price to earnings per share and is a common starting point for assessing valuation relative to peers.

10.Does Constellium SE pay a dividend?

Constellium SE pays an indicated annual cash dividend of $ 0.00 per share, with a current dividend yield of 0.00% based on the latest share price. Dividend policies are subject to change at the board's discretion.