What does the CSTM options chain show right now?

As of May 15, 2026, Constellium SE (CSTM) has 41.8K contracts outstanding and 1.1K traded today, with ATM IV of 54.6%. The full chain spans every listed strike and expiration with bid/ask, Greeks, volume, and open interest per contract.

What expirations are available for CSTM options?

The nearest expiration is 34 days out, followed by 63 days. Listed expirations typically extend monthly with weeklies between, plus LEAPS one to two years out for liquid names.

How tight are CSTM options bid/ask spreads?

Average bid/ask spread across the chain is 32.39%. Wider spreads warrant conservative sizing; mid-market fills are unreliable for retail-size orders.

Constellium SE (CSTM) Options Chain

The options chain displays all available contracts with real-time quotes, Greeks, volume, and open interest for each strike and expiration. It is the primary tool for options trade selection.

Constellium SE (CSTM) operates in the Basic Materials sector, specifically the Aluminum industry, with a market capitalization near $4.71B, listed on NYSE, employing roughly 12,000 people, carrying a beta of 1.54 to the broader market. Constellium SE, together with its subsidiaries, engages in the design, manufacture, and sale of specialty rolled and extruded aluminum products for the packaging, aerospace, and automotive end-markets. Led by Ingrid Joerg, public since 2013-05-23.

Snapshot as of May 15, 2026.

Spot Price: $32.01
Total OI: 41.8K
Total Volume: 1.1K
Front Expiration: 34 days
Second Expiration: 63 days
ATM IV: 54.6%
Avg Bid/Ask Spread: 32.39%

As of May 15, 2026, Constellium SE (CSTM) has 41.8K open contracts and 1.1K contracts traded. The nearest expiration is 34 days out, followed by 63 days. ATM implied volatility is 54.6%. Average bid/ask spread across the chain is 32.39%: wider spreads, size positions conservatively. The options chain aggregates every listed strike and expiration, letting traders evaluate skew, term structure, and liquidity in a single view.

How CSTM options chain Data Feeds Strategy Selection

Strategy selection on Constellium SE options does not derive from any single metric in isolation. The options chain view above sits inside a broader read: ATM IV currently sits at 54.6% and dealer gamma exposure is positive, so dealer hedging is mechanically mean-reverting. Combine the options chain data here with the volatility-skew surface, dealer-gamma exposure, max-pain level, and upcoming-events calendar to build a positioning thesis. Risk-defined structures (credit spreads, debit spreads, iron condors) are usually safer than naked positions while the regime is uncertain; the data on this page anchors the inputs but does not by itself constitute a trade thesis.

Learn how the options chain is reported and how to read the data →

Frequently asked CSTM options chain questions

What does the CSTM options chain show right now?: As of May 15, 2026, Constellium SE (CSTM) has 41.8K contracts outstanding and 1.1K traded today, with ATM IV of 54.6%. The full chain spans every listed strike and expiration with bid/ask, Greeks, volume, and open interest per contract.
What expirations are available for CSTM options?: The nearest expiration is 34 days out, followed by 63 days. Listed expirations typically extend monthly with weeklies between, plus LEAPS one to two years out for liquid names.
How tight are CSTM options bid/ask spreads?: Average bid/ask spread across the chain is 32.39%. Wider spreads warrant conservative sizing; mid-market fills are unreliable for retail-size orders.