Options Chain for PROTHENA CORP PLC SHS (PRTA) - $6.87 as of 7/29/2025 2:31:48 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2.50 | 4.20 | 5.00 | 4.60 | 3.90 | 0.00 | 0.00% | 1.84 | 0 | 2 | 3.28 | 1.00 | 0.00 | 0.00 | 7/16/2025 | 7/29/2025 12:58:58 PM EST |
| 5.00 | 2.05 | 3.10 | 2.58 | 1.95 | 0.00 | 0.00% | 0.52 | 0 | 342 | 0.71 | 0.91 | 0.08 | 0.00 | 7/23/2025 | 7/29/2025 12:58:58 PM EST |
| 7.50 | 0.75 | 0.85 | 0.80 | 0.75 | +0.05 | +7.15% | 0.11 | 3 | 1,738 | 0.97 | 0.46 | 0.21 | -0.01 | 7/29/2025 | 7/29/2025 12:58:58 PM EST |
| 10.00 | 0.20 | 0.40 | 0.30 | 0.30 | +0.01 | +3.45% | 0.03 | 14 | 456 | 0.97 | 0.13 | 0.11 | 0.00 | 7/29/2025 | 7/29/2025 12:58:58 PM EST |
| 12.50 | 0.00 | 0.75 | 0.38 | 0.10 | 0.00 | 0.00% | 0.03 | 0 | 355 | 1.89 | 0.03 | 0.03 | 0.00 | 7/23/2025 | 7/29/2025 12:58:58 PM EST |
| 15.00 | 0.00 | 0.45 | 0.23 | 0.04 | 0.00 | 0.00% | 0.02 | 0 | 98 | 1.81 | 0.00 | 0.01 | 0.00 | 7/22/2025 | 7/29/2025 12:58:58 PM EST |
| 17.50 | 0.00 | 0.75 | 0.38 | 0.03 | 0.00 | 0.00% | 0.02 | 0 | 2,011 | 2.38 | 0.00 | 0.00 | 0.00 | 7/22/2025 | 7/29/2025 12:58:58 PM EST |
| 20.00 | 0.00 | 0.15 | 0.08 | 0.05 | 0.00 | 0.00% | 0.00 | 0 | 96 | 1.69 | 0.00 | 0.00 | 0.00 | 5/27/2025 | 7/29/2025 12:58:58 PM EST |
| 22.50 | 0.00 | 0.15 | 0.08 | 0.12 | 0.00 | 0.00% | 0.00 | 0 | 628 | 1.82 | 0.00 | 0.00 | 0.00 | 6/23/2025 | 7/29/2025 12:58:58 PM EST |
| 25.00 | 0.00 | 0.15 | 0.08 | 0.05 | 0.00 | 0.00% | 0.00 | 0 | 1,092 | 1.93 | 0.00 | 0.00 | 0.00 | 7/15/2025 | 7/29/2025 12:58:58 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2.50 | 0.00 | 0.05 | 0.03 | 0.01 | -0.02 | -66.67% | 0.01 | 1 | 42 | 1.64 | 0.00 | 0.00 | 0.00 | 7/29/2025 | 7/29/2025 12:58:58 PM EST |
| 5.00 | 0.10 | 0.15 | 0.13 | 0.07 | -0.08 | -53.34% | 0.03 | 30 | 2,889 | 0.75 | -0.09 | 0.08 | 0.00 | 7/29/2025 | 7/29/2025 12:58:58 PM EST |
| 7.50 | 0.00 | 1.65 | 0.83 | 1.87 | 0.00 | 0.00% | 0.11 | 0 | 156 | 1.29 | -0.54 | 0.21 | -0.01 | 7/16/2025 | 7/29/2025 12:58:58 PM EST |
| 10.00 | 2.90 | 3.70 | 3.30 | 4.70 | 0.00 | 0.00% | 0.33 | 0 | 13 | 1.67 | -0.87 | 0.11 | 0.00 | 6/16/2025 | 7/29/2025 12:58:58 PM EST |
| 12.50 | 5.10 | 6.20 | 5.65 | 5.00 | 0.00 | 0.00% | 0.45 | 0 | 27 | 1.85 | -0.97 | 0.03 | 0.00 | 4/24/2025 | 7/29/2025 12:58:58 PM EST |
| 15.00 | 7.50 | 10.40 | 8.95 | 9.15 | 0.00 | 0.00% | 0.60 | 0 | 3 | 3.81 | -1.00 | 0.01 | 0.00 | 5/20/2025 | 7/29/2025 12:58:58 PM EST |
| 17.50 | 10.00 | 11.10 | 10.55 | 13.06 | 0.00 | 0.00% | 0.60 | 0 | 19 | 2.25 | -1.00 | 0.00 | 0.00 | 5/28/2025 | 7/29/2025 12:58:58 PM EST |
| 20.00 | 12.50 | 13.70 | 13.10 | 13.80 | 0.00 | 0.00% | 0.66 | 0 | 23 | 2.56 | -1.00 | 0.00 | 0.00 | 5/12/2025 | 7/29/2025 12:58:58 PM EST |
| 22.50 | 15.10 | 16.90 | 16.00 | 9.30 | 0.00 | 0.00% | 0.71 | 0 | 4 | 3.46 | -1.00 | 0.00 | 0.00 | 2/21/2025 | 7/29/2025 12:58:58 PM EST |
| 25.00 | 17.50 | 19.40 | 18.45 | % | 0.74 | 0 | 0 | 3.61 | -1.00 | 0.00 | 0.00 | 7/29/2025 12:58:58 PM EST |