Option chain for Genmab A/S - American Depositary Shares (GMAB): calls and puts for every expiration and strike, with quotes, volume, open interest, implied volatility and greeks. As of Oct 21, 2026, GMAB had 7 option expirations, from Nov 20, 2026 to Jan 19, 2029, and 1,026 contracts traded that day. The nearest expiration, Nov 20, 2026, had an at-the-money implied volatility of 51.7% (+2% on the day) and 167 contracts traded; the busiest was Dec 18, 2026, with 735.

For the latest figures, see GMAB options overview.

Key numbers

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

Nov 20, 2026 (30 days): ATM IV 51.7% (+2%), volume 167
Dec 18, 2026 (58 days): ATM IV 52.7% (-3%), volume 735
Jan 15, 2027 (86 days): ATM IV 51.4% (+6%), volume 114
Feb 19, 2027 (121 days): ATM IV 58.1% (+6%), volume 0
May 21, 2027 (212 days): ATM IV 44.0% (+10%), volume 6
Jan 21, 2028 (457 days): ATM IV 42.7% (+5%), volume 4
Jan 19, 2029 (821 days): ATM IV 41.6% (+0%), volume 0

Data as of October 21, 2026.

GMAB Option Chain

Detailed and comprehensive option chain for each expiration listed for GMAB. 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 GMAB options strategy.

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