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 Nov 11, 2026, CSTM had 5 option expirations, from Nov 20, 2026 to May 21, 2027, and 122 contracts traded that day. The nearest expiration, Nov 20, 2026, had an at-the-money implied volatility of 44.5% (+12% on the day) and 48 contracts traded; the busiest was Dec 18, 2026, with 61.

For the latest figures, see CSTM options overview.

Key numbers

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

Nov 20, 2026 (9 days): ATM IV 44.5% (+12%), volume 48
Dec 18, 2026 (37 days): ATM IV 42.9% (-1%), volume 61
Jan 15, 2027 (65 days): ATM IV 43.9% (-1%), volume 8
Feb 19, 2027 (100 days): ATM IV 35.5% (-2%), volume 0
May 21, 2027 (191 days): ATM IV 45.7% (+3%), volume 5

Data as of November 11, 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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