Options Chain for ZENAS BIOPHARMA INC COM (ZBIO) - $18.56 as of 5/29/2026 3:31:34 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 10.00 | 6.50 | 11.00 | 8.75 | % | 0.88 | 0 | 0 | 4.55 | 0.99 | 0.00 | 0.00 | 5/29/2026 12:58:00 PM EST | |||
| 12.50 | 4.00 | 8.50 | 6.25 | % | 0.50 | 0 | 0 | 3.43 | 0.96 | 0.02 | -0.01 | 5/29/2026 12:58:00 PM EST | |||
| 15.00 | 1.70 | 6.50 | 4.10 | 3.70 | 0.00 | 0.00% | 0.27 | 0 | 40 | 2.87 | 0.84 | 0.05 | -0.03 | 5/19/2026 | 5/29/2026 12:58:00 PM EST |
| 17.50 | 0.10 | 4.90 | 2.50 | 1.80 | 0.00 | 0.00% | 0.14 | 0 | 189 | 2.57 | 0.66 | 0.08 | -0.05 | 5/27/2026 | 5/29/2026 12:58:00 PM EST |
| 20.00 | 0.00 | 4.90 | 2.45 | 1.24 | 0.00 | 0.00% | 0.12 | 0 | 205 | 3.13 | 0.46 | 0.08 | -0.05 | 5/20/2026 | 5/29/2026 12:58:00 PM EST |
| 22.50 | 0.00 | 1.00 | 0.50 | 0.95 | 0.00 | 0.00% | 0.02 | 0 | 213 | 1.28 | 0.28 | 0.07 | -0.04 | 5/21/2026 | 5/29/2026 12:58:00 PM EST |
| 25.00 | 0.00 | 2.15 | 1.08 | 0.35 | 0.00 | 0.00% | 0.04 | 0 | 8 | 2.31 | 0.16 | 0.05 | -0.03 | 5/22/2026 | 5/29/2026 12:58:00 PM EST |
| 30.00 | 0.00 | 4.90 | 2.45 | 0.30 | 0.00 | 0.00% | 0.08 | 0 | 5 | 4.44 | 0.04 | 0.02 | -0.01 | 5/22/2026 | 5/29/2026 12:58:00 PM EST |
| 35.00 | 0.00 | 4.90 | 2.45 | 0.60 | 0.00 | 0.00% | 0.07 | 0 | 1 | 4.86 | 0.01 | 0.01 | 0.00 | 4/24/2026 | 5/29/2026 12:58:00 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 10.00 | 0.00 | 0.05 | 0.03 | 0.05 | +0.02 | +66.67% | 0.00 | 4 | 10 | 1.41 | -0.01 | 0.00 | 0.00 | 5/29/2026 | 5/29/2026 12:58:00 PM EST |
| 12.50 | 0.00 | 4.90 | 2.45 | % | 0.20 | 0 | 0 | 5.67 | -0.04 | 0.02 | -0.01 | 5/29/2026 12:58:00 PM EST | |||
| 15.00 | 0.00 | 0.50 | 0.25 | % | 0.02 | 0 | 0 | 1.12 | -0.16 | 0.05 | -0.03 | 5/29/2026 12:58:00 PM EST | |||
| 17.50 | 0.00 | 1.00 | 0.50 | 1.00 | +0.07 | +7.53% | 0.03 | 125 | 327 | 0.93 | -0.34 | 0.08 | -0.05 | 5/29/2026 | 5/29/2026 12:58:00 PM EST |
| 20.00 | 0.35 | 4.90 | 2.63 | 2.26 | 0.00 | 0.00% | 0.13 | 0 | 1 | 2.35 | -0.54 | 0.08 | -0.05 | 5/8/2026 | 5/29/2026 12:58:00 PM EST |
| 22.50 | 2.00 | 6.50 | 4.25 | % | 0.19 | 0 | 0 | 2.28 | -0.72 | 0.07 | -0.04 | 5/29/2026 12:58:00 PM EST | |||
| 25.00 | 4.00 | 8.50 | 6.25 | 6.85 | 0.00 | 0.00% | 0.25 | 0 | 1 | 2.51 | -0.84 | 0.05 | -0.03 | 5/8/2026 | 5/29/2026 12:58:00 PM EST |
| 30.00 | 9.00 | 13.50 | 11.25 | % | 0.38 | 0 | 0 | 2.87 | -0.96 | 0.02 | -0.01 | 5/29/2026 12:58:00 PM EST | |||
| 35.00 | 14.00 | 18.50 | 16.25 | % | 0.46 | 0 | 0 | 3.28 | -0.99 | 0.01 | 0.00 | 5/29/2026 12:58:00 PM EST |