Constellium (CSTM) Options Chain
NYSE: CSTMIndustrialsMetal FabricationsUSD
At close: Oct 8, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 7
- Share price
- $25.60
- Put/call ratio (volume)
- 0.59
- Expected move
- ±$0.111
- Open interest (C / P)
- 0 / 0
CSTM options summary
The CSTM options chain for the October 16, 2026 expiration lists 12 call and 11 put contracts, with 7 days until expiration. At-the-money implied volatility near the $26.00 strike is 3.1%, which implies the market expects a move of about ±$0.111 (0.4%) in Constellium stock by expiration. The most open interest sits at the $24.00 call (0 contracts) and the $19.00 put (0 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
CSTM options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 19.00 | 0.00 | 0.00 | 0.10 | |||||
| — | — | — | 20.00 | 0.00 | 0.00 | 0.08 | |||||
| — | — | — | 21.00 | 0.00 | 0.00 | 0.12 | |||||
| — | — | — | 22.00 | 0.00 | 0.00 | 0.17 | |||||
| — | — | — | 23.00 | 0.00 | 0.00 | 0.50 | |||||
| 1.10 | 0.00 | 0.00 | 24.00 | 0.00 | 0.00 | 0.20 | |||||
| 0.60 | 0.00 | 0.00 | 25.00 | 0.00 | 0.00 | 0.33 | |||||
| 0.54 | 0.00 | 0.00 | 26.00 | 0.00 | 0.00 | 0.65 | |||||
| 0.20 | 0.00 | 0.00 | 27.00 | 0.00 | 0.00 | 2.58 | |||||
| 0.21 | 0.00 | 0.00 | 28.00 | 0.00 | 0.00 | 2.21 | |||||
| 0.05 | 0.00 | 0.00 | 29.00 | — | — | — | |||||
| 0.10 | 0.00 | 0.00 | 30.00 | — | — | — | |||||
| 0.03 | 0.00 | 0.00 | 31.00 | — | — | — | |||||
| 0.03 | 0.00 | 0.00 | 32.00 | 0.00 | 0.00 | 6.20 | |||||
| 0.12 | 0.00 | 0.00 | 33.00 | — | — | — | |||||
| 0.20 | 0.00 | 0.00 | 34.00 | — | — | — | |||||
| 0.10 | 0.00 | 0.00 | 36.00 | — | — | — | |||||
In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.
Frequently asked questions
What is CSTM's implied volatility?
At-the-money implied volatility for CSTM options expiring October 16, 2026 is about 3.1%, an annualized estimate of how much the market expects Constellium stock to move.
How many CSTM option expiration dates are there?
CSTM has 5 listed expiration dates, from Oct 16, 2026 to May 21, 2027.
What does "in the money" mean?
A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.