Options Chain for ZAI LAB LTD ADR (ZLAB) - $17.71 as of 12/23/2025 2:21:51 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12.50 | 2.70 | 7.50 | 5.10 | % | 0.41 | 0 | 0 | 3.06 | 0.94 | 0.03 | -0.01 | 12/23/2025 12:58:48 PM EST | |||
| 15.00 | 0.40 | 5.00 | 2.70 | 2.90 | 0.00 | 0.00% | 0.18 | 0 | 35 | 2.18 | 0.78 | 0.07 | -0.03 | 12/18/2025 | 12/23/2025 12:58:48 PM EST |
| 17.50 | 0.10 | 5.00 | 2.55 | 3.60 | 0.00 | 0.00% | 0.15 | 0 | 1 | 1.43 | 0.55 | 0.10 | -0.04 | 11/24/2025 | 12/23/2025 12:58:48 PM EST |
| 20.00 | 0.00 | 0.60 | 0.30 | 0.70 | 0.00 | 0.00% | 0.01 | 0 | 84 | 0.86 | 0.34 | 0.09 | -0.03 | 12/19/2025 | 12/23/2025 12:58:48 PM EST |
| 22.50 | 0.00 | 0.60 | 0.30 | 0.60 | 0.00 | 0.00% | 0.01 | 0 | 82 | 1.11 | 0.18 | 0.06 | -0.02 | 12/8/2025 | 12/23/2025 12:58:48 PM EST |
| 25.00 | 0.00 | 0.25 | 0.13 | 0.15 | -0.10 | -40.00% | 0.01 | 1 | 2 | 1.05 | 0.09 | 0.04 | -0.01 | 12/23/2025 | 12/23/2025 12:58:48 PM EST |
| 30.00 | 0.00 | 0.15 | 0.08 | 0.35 | 0.00 | 0.00% | 0.00 | 0 | 1 | 1.26 | 0.02 | 0.01 | 0.00 | 12/18/2025 | 12/23/2025 12:58:48 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12.50 | 0.00 | 5.00 | 2.50 | 0.05 | 0.00 | 0.00% | 0.20 | 0 | 1 | 5.09 | -0.06 | 0.03 | -0.01 | 12/22/2025 | 12/23/2025 12:58:48 PM EST |
| 15.00 | 0.00 | 1.00 | 0.50 | 0.05 | 0.00 | 0.00% | 0.03 | 0 | 1 | 1.22 | -0.22 | 0.07 | -0.03 | 12/1/2025 | 12/23/2025 12:58:48 PM EST |
| 17.50 | 0.45 | 1.00 | 0.73 | 0.75 | +0.05 | +7.15% | 0.04 | 20 | 139 | 0.42 | -0.45 | 0.10 | -0.04 | 12/23/2025 | 12/23/2025 12:58:48 PM EST |
| 20.00 | 2.50 | 2.65 | 2.58 | 2.65 | +0.25 | +10.42% | 0.13 | 22 | 126 | 0.41 | -0.66 | 0.09 | -0.03 | 12/23/2025 | 12/23/2025 12:58:48 PM EST |
| 22.50 | 2.50 | 7.20 | 4.85 | 3.20 | 0.00 | 0.00% | 0.22 | 0 | 1 | 2.12 | -0.82 | 0.06 | -0.02 | 12/5/2025 | 12/23/2025 12:58:48 PM EST |
| 25.00 | 5.00 | 9.70 | 7.35 | 7.20 | 0.00 | 0.00% | 0.29 | 0 | 5 | 2.42 | -0.91 | 0.04 | -0.01 | 12/19/2025 | 12/23/2025 12:58:48 PM EST |
| 30.00 | 10.00 | 14.60 | 12.30 | % | 0.41 | 0 | 0 | 2.84 | -0.98 | 0.01 | 0.00 | 12/23/2025 12:58:48 PM EST |