Options Chain for GENMAB A/S SPONSORED ADS (GMAB) - $28.20 as of 7/31/2026 7:55:11 PM EST
Calls
| Strike | Bid | Ask | Premium | Last Price | Change | %Chg | Premium to Strike Price Ratio | Volume | Open Interest | IV | Delta | Gamma | Theta | Last Trade | Last Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 15.00 | 11.80 | 16.00 | 13.90 | % | 0.93 | 0 | 0 | 3.47 | 1.00 | 0.00 | 0.00 | 7/31/2026 4:00:05 PM EST | |||
| 17.50 | 9.30 | 13.00 | 11.15 | 7.65 | 0.00 | 0.00% | 0.64 | 0 | 15 | 2.51 | 1.00 | 0.00 | 0.00 | 6/4/2026 | 7/31/2026 4:00:05 PM EST |
| 20.00 | 6.90 | 11.00 | 8.95 | 9.70 | 0.00 | 0.00% | 0.45 | 0 | 105 | 2.31 | 0.99 | 0.00 | -0.01 | 7/9/2026 | 7/31/2026 4:00:05 PM EST |
| 22.50 | 4.70 | 8.90 | 6.80 | 6.34 | 0.00 | 0.00% | 0.30 | 0 | 11 | 1.99 | 0.95 | 0.02 | -0.02 | 7/29/2026 | 7/31/2026 4:00:05 PM EST |
| 25.00 | 2.65 | 6.00 | 4.33 | 4.25 | 0.00 | 0.00% | 0.17 | 0 | 20 | 1.44 | 0.84 | 0.05 | -0.03 | 7/29/2026 | 7/31/2026 4:00:05 PM EST |
| 30.00 | 0.65 | 2.10 | 1.38 | 1.55 | -0.10 | -6.07% | 0.05 | 35 | 16,430 | 0.62 | 0.40 | 0.09 | -0.05 | 7/31/2026 | 7/31/2026 4:00:05 PM EST |
| 35.00 | 0.00 | 0.65 | 0.33 | 0.52 | 0.00 | 0.00% | 0.01 | 0 | 3,023 | 0.85 | 0.09 | 0.05 | -0.02 | 7/30/2026 | 7/31/2026 4:00:05 PM EST |
| 40.00 | 0.10 | 0.35 | 0.23 | 0.20 | 0.00 | 0.00% | 0.01 | 0 | 11,137 | 0.90 | 0.01 | 0.01 | 0.00 | 7/23/2026 | 7/31/2026 4:00:05 PM EST |
| 45.00 | 0.00 | 0.30 | 0.15 | 0.35 | 0.00 | 0.00% | 0.00 | 0 | 848 | 1.20 | 0.00 | 0.00 | 0.00 | 6/30/2026 | 7/31/2026 4:00:05 PM EST |
| 50.00 | 0.00 | 0.80 | 0.40 | 0.15 | 0.00 | 0.00% | 0.01 | 0 | 165 | 1.79 | 0.00 | 0.00 | 0.00 | 6/23/2026 | 7/31/2026 4:00:05 PM EST |
Puts
| Strike | Bid | Ask | Premium | Last Price | Change | %Chg | Premium to Strike Price Ratio | Volume | Open Interest | IV | Delta | Gamma | Theta | Last Trade | Last Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 15.00 | 0.00 | 2.15 | 1.08 | 0.25 | 0.00 | 0.00% | 0.07 | 0 | 7 | 1.83 | 0.00 | 0.00 | 0.00 | 7/20/2026 | 7/31/2026 4:00:05 PM EST |
| 17.50 | 0.05 | 0.20 | 0.13 | 0.20 | +0.09 | +81.82% | 0.01 | 1 | 267 | 1.23 | 0.00 | 0.00 | 0.00 | 7/31/2026 | 7/31/2026 4:00:05 PM EST |
| 20.00 | 0.10 | 2.30 | 1.20 | 0.25 | 0.00 | 0.00% | 0.06 | 0 | 691 | 1.04 | -0.01 | 0.00 | -0.01 | 7/28/2026 | 7/31/2026 4:00:05 PM EST |
| 22.50 | 0.00 | 1.30 | 0.65 | 0.45 | 0.00 | 0.00% | 0.03 | 0 | 14 | 1.53 | -0.05 | 0.02 | -0.02 | 7/20/2026 | 7/31/2026 4:00:05 PM EST |
| 25.00 | 0.15 | 1.50 | 0.83 | 0.65 | 0.00 | 0.00% | 0.03 | 0 | 1,245 | 0.81 | -0.16 | 0.05 | -0.03 | 7/29/2026 | 7/31/2026 4:00:05 PM EST |
| 30.00 | 0.75 | 3.00 | 1.88 | 2.80 | 0.00 | 0.00% | 0.06 | 0 | 1,625 | 0.89 | -0.60 | 0.09 | -0.05 | 7/30/2026 | 7/31/2026 4:00:05 PM EST |
| 35.00 | 4.50 | 8.60 | 6.55 | 7.05 | 0.00 | 0.00% | 0.19 | 0 | 37 | 1.71 | -0.91 | 0.05 | -0.02 | 7/20/2026 | 7/31/2026 4:00:05 PM EST |
| 40.00 | 9.20 | 13.30 | 11.25 | % | 0.28 | 0 | 0 | 2.02 | -0.99 | 0.01 | 0.00 | 7/31/2026 4:00:05 PM EST | |||
| 45.00 | 14.10 | 18.30 | 16.20 | % | 0.36 | 0 | 0 | 2.36 | -1.00 | 0.00 | 0.00 | 7/31/2026 4:00:05 PM EST | |||
| 50.00 | 19.10 | 23.30 | 21.20 | % | 0.42 | 0 | 0 | 2.64 | -1.00 | 0.00 | 0.00 | 7/31/2026 4:00:05 PM EST |