Option chain for Constellium Se Ordinary Shares (France) (CSTM): calls and puts for every expiration and strike, with quotes, volume, open interest, implied volatility and greeks. As of Oct 22, 2026, CSTM had 5 option expirations, from Nov 20, 2026 to May 21, 2027, and 270 contracts traded that day. The nearest expiration, Nov 20, 2026, had an at-the-money implied volatility of 48.9% (+0% on the day) and 81 contracts traded; the busiest was Jan 15, 2027, with 140.

For the latest figures, see CSTM options overview.

Key numbers

Expirations: at-the-money implied volatility, change on the day, volume

Nov 20, 2026 (29 days): ATM IV 48.9% (+0%), volume 81
Dec 18, 2026 (57 days): ATM IV 46.0% (+12%), volume 4
Jan 15, 2027 (85 days): ATM IV 37.2% (-15%), volume 140
Feb 19, 2027 (120 days): ATM IV 42.9% (-2%), volume 29
May 21, 2027 (211 days): ATM IV 52.5% (+12%), volume 16

Data as of October 22, 2026.

CSTM Option Chain

Detailed and comprehensive option chain for each expiration listed for CSTM. Includes volume, open interest, implied volatility, and bid/ask for each strike. Investigate further by clicking on a strike and seeing trade activity, volatility movement, and yesterday's closing values. Use the built-in options profit calculator to see the profit or loss of any CSTM options strategy.

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