Options Chain for ZAI LAB LTD ADR (ZLAB) - $25.32 as of 10/29/2025 9:29:51 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 15.00 | 8.00 | 13.00 | 10.50 | % | 0.70 | 0 | 0 | 3.71 | 1.00 | 0.00 | 0.00 | 10/29/2025 4:00:05 PM EST | |||
| 17.50 | 5.50 | 10.50 | 8.00 | % | 0.46 | 0 | 0 | 3.00 | 1.00 | 0.00 | 0.00 | 10/29/2025 4:00:05 PM EST | |||
| 20.00 | 3.50 | 8.00 | 5.75 | % | 0.29 | 0 | 0 | 2.38 | 0.98 | 0.05 | 0.00 | 10/29/2025 4:00:05 PM EST | |||
| 22.50 | 1.00 | 5.90 | 3.45 | % | 0.15 | 0 | 0 | 1.98 | 0.77 | 0.08 | -0.02 | 10/29/2025 4:00:05 PM EST | |||
| 25.00 | 0.05 | 2.90 | 1.48 | 2.10 | 0.00 | 0.00% | 0.06 | 0 | 12 | 1.21 | 0.53 | 0.09 | -0.03 | 10/28/2025 | 10/29/2025 4:00:05 PM EST |
| 30.00 | 0.35 | 0.45 | 0.40 | 0.50 | +0.10 | +25.00% | 0.01 | 4 | 46 | 0.73 | 0.16 | 0.05 | -0.02 | 10/29/2025 | 10/29/2025 4:00:05 PM EST |
| 35.00 | 0.00 | 1.55 | 0.78 | 0.15 | 0.00 | 0.00% | 0.02 | 0 | 107 | 1.74 | 0.03 | 0.02 | -0.01 | 10/28/2025 | 10/29/2025 4:00:05 PM EST |
| 40.00 | 0.00 | 0.75 | 0.38 | 0.25 | 0.00 | 0.00% | 0.01 | 0 | 2 | 1.63 | 0.00 | 0.00 | 0.00 | 10/13/2025 | 10/29/2025 4:00:05 PM EST |
| 45.00 | 0.00 | 3.00 | 1.50 | % | 0.03 | 0 | 0 | 3.03 | 0.00 | 0.00 | 0.00 | 10/29/2025 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 | 3.00 | 1.50 | % | 0.10 | 0 | 0 | 3.60 | 0.00 | 0.00 | 0.00 | 10/29/2025 4:00:05 PM EST | |||
| 17.50 | 0.00 | 3.00 | 1.50 | % | 0.09 | 0 | 0 | 2.89 | 0.00 | 0.00 | 0.00 | 10/29/2025 4:00:05 PM EST | |||
| 20.00 | 0.00 | 3.00 | 1.50 | 0.05 | 0.00 | 0.00% | 0.07 | 0 | 1 | 2.28 | -0.02 | 0.05 | 0.00 | 10/13/2025 | 10/29/2025 4:00:05 PM EST |
| 22.50 | 0.10 | 5.00 | 2.55 | 0.55 | 0.00 | 0.00% | 0.11 | 0 | 3 | 1.47 | -0.23 | 0.08 | -0.02 | 10/24/2025 | 10/29/2025 4:00:05 PM EST |
| 25.00 | 0.90 | 1.90 | 1.40 | 1.15 | 0.00 | 0.00% | 0.06 | 0 | 104 | 0.52 | -0.47 | 0.09 | -0.03 | 10/28/2025 | 10/29/2025 4:00:05 PM EST |
| 30.00 | 2.50 | 7.40 | 4.95 | 4.10 | 0.00 | 0.00% | 0.17 | 0 | 62 | 1.57 | -0.84 | 0.05 | -0.02 | 10/27/2025 | 10/29/2025 4:00:05 PM EST |
| 35.00 | 7.50 | 12.00 | 9.75 | 6.55 | 0.00 | 0.00% | 0.28 | 0 | 3 | 1.84 | -0.97 | 0.02 | -0.01 | 10/16/2025 | 10/29/2025 4:00:05 PM EST |
| 40.00 | 12.50 | 17.00 | 14.75 | % | 0.37 | 0 | 0 | 2.18 | -1.00 | 0.00 | 0.00 | 10/29/2025 4:00:05 PM EST | |||
| 45.00 | 17.50 | 22.00 | 19.75 | % | 0.44 | 0 | 0 | 2.46 | -1.00 | 0.00 | 0.00 | 10/29/2025 4:00:05 PM EST |