Options Chain for GOSSAMER BIO INC COM (GOSS) - $2.72 as of 11/13/2025 4:27:11 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.50 | 1.80 | 2.55 | 2.18 | 2.20 | 0.00 | 0.00% | 4.36 | 0 | 28 | 0.00 | 1.00 | 0.00 | 0.00 | 9/29/2025 | 11/13/2025 1:58:56 PM EST |
| 1.00 | 1.30 | 2.05 | 1.68 | 1.32 | 0.00 | 0.00% | 1.68 | 0 | 467 | 0.00 | 1.00 | 0.00 | 0.00 | 11/4/2025 | 11/13/2025 1:58:56 PM EST |
| 1.50 | 0.95 | 1.25 | 1.10 | 1.00 | +0.25 | +33.34% | 0.73 | 1 | 172 | 4.94 | 1.00 | 0.00 | 0.00 | 11/13/2025 | 11/13/2025 1:58:56 PM EST |
| 2.00 | 0.50 | 0.65 | 0.58 | 0.55 | -0.15 | -21.43% | 0.29 | 1 | 3,139 | 2.61 | 0.97 | 0.19 | 0.00 | 11/13/2025 | 11/13/2025 1:58:56 PM EST |
| 3.00 | 0.00 | 0.05 | 0.03 | 0.05 | 0.00 | 0.00% | 0.01 | 0 | 6,840 | 1.19 | 0.12 | 0.61 | 0.00 | 11/12/2025 | 11/13/2025 1:58:56 PM EST |
| 4.00 | 0.00 | 0.05 | 0.03 | 0.05 | 0.00 | 0.00% | 0.01 | 10 | 21,784 | 2.31 | 0.00 | 0.00 | 0.00 | 11/13/2025 | 11/13/2025 1:58:56 PM EST |
| 5.00 | 0.00 | 0.20 | 0.10 | 0.01 | 0.00 | 0.00% | 0.02 | 0 | 604 | 4.56 | 0.00 | 0.00 | 0.00 | 10/29/2025 | 11/13/2025 1:58:56 PM EST |
| 6.00 | 0.00 | 1.00 | 0.50 | % | 0.08 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 11/13/2025 1:58:56 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.50 | 0.00 | 0.50 | 0.25 | % | 0.50 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 11/13/2025 1:58:56 PM EST | |||
| 1.00 | 0.00 | 0.75 | 0.38 | % | 0.38 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 11/13/2025 1:58:56 PM EST | |||
| 1.50 | 0.00 | 0.05 | 0.03 | 0.08 | 0.00 | 0.00% | 0.02 | 0 | 40 | 3.03 | 0.00 | 0.00 | 0.00 | 8/28/2025 | 11/13/2025 1:58:56 PM EST |
| 2.00 | 0.00 | 0.10 | 0.05 | 0.12 | 0.00 | 0.00% | 0.03 | 0 | 179 | 2.25 | -0.03 | 0.19 | 0.00 | 10/29/2025 | 11/13/2025 1:58:56 PM EST |
| 3.00 | 0.00 | 0.60 | 0.30 | 0.80 | 0.00 | 0.00% | 0.10 | 0 | 93 | 2.05 | -0.88 | 0.61 | 0.00 | 11/5/2025 | 11/13/2025 1:58:56 PM EST |
| 4.00 | 0.95 | 1.70 | 1.33 | 1.70 | 0.00 | 0.00% | 0.33 | 0 | 8 | 4.13 | -1.00 | 0.00 | 0.00 | 10/28/2025 | 11/13/2025 1:58:56 PM EST |
| 5.00 | 1.85 | 2.85 | 2.35 | 2.79 | 0.00 | 0.00% | 0.47 | 0 | 0 | 6.11 | -1.00 | 0.00 | 0.00 | 10/22/2025 | 11/13/2025 1:58:56 PM EST |
| 6.00 | 2.90 | 3.90 | 3.40 | % | 0.57 | 0 | 0 | 7.17 | -1.00 | 0.00 | 0.00 | 11/13/2025 1:58:56 PM EST |