Options Chain for PROTHENA CORP PLC SHS (PRTA) - $8.88 as of 10/30/2026 11:22:16 AM 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1.00 | 5.50 | 10.00 | 7.75 | % | 7.75 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 10/30/2026 3:59:49 PM EST | |||
| 2.00 | 4.50 | 9.00 | 6.75 | % | 3.38 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 10/30/2026 3:59:49 PM EST | |||
| 3.00 | 3.80 | 8.00 | 5.90 | % | 1.97 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 10/30/2026 3:59:49 PM EST | |||
| 4.00 | 3.60 | 6.00 | 4.80 | % | 1.20 | 0 | 0 | 5.71 | 1.00 | 0.00 | 0.00 | 10/30/2026 3:59:49 PM EST | |||
| 5.00 | 2.20 | 6.00 | 4.10 | % | 0.82 | 0 | 0 | 7.12 | 1.00 | 0.00 | 0.00 | 10/30/2026 3:59:49 PM EST | |||
| 6.00 | 1.20 | 4.90 | 3.05 | % | 0.51 | 0 | 0 | 5.46 | 1.00 | 0.01 | 0.00 | 10/30/2026 3:59:49 PM EST | |||
| 7.00 | 0.05 | 4.90 | 2.48 | 1.96 | 0.00 | 0.00% | 0.35 | 0 | 5 | 2.68 | 0.94 | 0.11 | 0.00 | 9/24/2026 | 10/30/2026 3:59:49 PM EST |
| 8.00 | 0.00 | 4.90 | 2.45 | 0.85 | 0.00 | 0.00% | 0.31 | 0 | 81 | 6.47 | 0.70 | 0.31 | -0.01 | 10/16/2026 | 10/30/2026 3:59:49 PM EST |
| 9.00 | 0.00 | 1.00 | 0.50 | 0.54 | 0.00 | 0.00% | 0.06 | 0 | 1,040 | 1.47 | 0.35 | 0.34 | -0.01 | 10/28/2026 | 10/30/2026 3:59:49 PM EST |
| 10.00 | 0.00 | 0.70 | 0.35 | 0.15 | 0.00 | 0.00% | 0.03 | 0 | 58 | 1.49 | 0.12 | 0.18 | -0.01 | 10/27/2026 | 10/30/2026 3:59:49 PM EST |
| 11.00 | 0.00 | 1.90 | 0.95 | % | 0.09 | 0 | 0 | 2.11 | 0.03 | 0.06 | 0.00 | 10/30/2026 3:59:49 PM EST | |||
| 12.00 | 0.00 | 1.20 | 0.60 | 0.06 | 0.00 | 0.00% | 0.05 | 0 | 1 | 2.63 | 0.01 | 0.01 | 0.00 | 10/15/2026 | 10/30/2026 3:59:49 PM EST |
| 13.00 | 0.00 | 0.75 | 0.38 | % | 0.03 | 0 | 0 | 2.33 | 0.00 | 0.00 | 0.00 | 10/30/2026 3:59:49 PM EST | |||
| 14.00 | 0.00 | 2.15 | 1.08 | % | 0.08 | 0 | 0 | 4.31 | 0.00 | 0.00 | 0.00 | 10/30/2026 3:59:49 PM EST | |||
| 15.00 | 0.00 | 1.95 | 0.98 | % | 0.07 | 0 | 0 | 4.24 | 0.00 | 0.00 | 0.00 | 10/30/2026 3:59:49 PM EST | |||
| 16.00 | 0.00 | 1.95 | 0.98 | % | 0.06 | 0 | 0 | 4.42 | 0.00 | 0.00 | 0.00 | 10/30/2026 3:59:49 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1.00 | 0.00 | 0.05 | 0.03 | % | 0.03 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 10/30/2026 3:59:49 PM EST | |||
| 2.00 | 0.00 | 1.95 | 0.98 | % | 0.49 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 10/30/2026 3:59:49 PM EST | |||
| 3.00 | 0.00 | 1.95 | 0.98 | % | 0.33 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 10/30/2026 3:59:49 PM EST | |||
| 4.00 | 0.00 | 1.95 | 0.98 | % | 0.24 | 0 | 0 | 7.53 | 0.00 | 0.00 | 0.00 | 10/30/2026 3:59:49 PM EST | |||
| 5.00 | 0.00 | 1.95 | 0.98 | % | 0.20 | 0 | 0 | 5.87 | 0.00 | 0.00 | 0.00 | 10/30/2026 3:59:49 PM EST | |||
| 6.00 | 0.00 | 1.35 | 0.68 | % | 0.11 | 0 | 0 | 3.25 | 0.00 | 0.01 | 0.00 | 10/30/2026 3:59:49 PM EST | |||
| 7.00 | 0.00 | 1.35 | 0.68 | % | 0.10 | 0 | 0 | 2.48 | -0.06 | 0.11 | 0.00 | 10/30/2026 3:59:49 PM EST | |||
| 8.00 | 0.15 | 0.30 | 0.23 | % | 0.03 | 0 | 0 | 0.54 | -0.30 | 0.31 | -0.01 | 10/30/2026 3:59:49 PM EST | |||
| 9.00 | 0.00 | 1.40 | 0.70 | 0.82 | 0.00 | 0.00% | 0.08 | 0 | 1 | 1.13 | -0.65 | 0.34 | -0.01 | 9/21/2026 | 10/30/2026 3:59:49 PM EST |
| 10.00 | 0.00 | 4.90 | 2.45 | % | 0.25 | 0 | 0 | 4.93 | -0.88 | 0.18 | -0.01 | 10/30/2026 3:59:49 PM EST | |||
| 11.00 | 0.40 | 4.90 | 2.65 | % | 0.24 | 0 | 0 | 3.94 | -0.97 | 0.06 | 0.00 | 10/30/2026 3:59:49 PM EST | |||
| 12.00 | 1.80 | 5.40 | 3.60 | % | 0.30 | 0 | 0 | 3.59 | -0.99 | 0.01 | 0.00 | 10/30/2026 3:59:49 PM EST | |||
| 13.00 | 2.95 | 6.50 | 4.73 | % | 0.36 | 0 | 0 | 3.94 | -1.00 | 0.00 | 0.00 | 10/30/2026 3:59:49 PM EST | |||
| 14.00 | 3.50 | 7.50 | 5.50 | % | 0.39 | 0 | 0 | 4.16 | -1.00 | 0.00 | 0.00 | 10/30/2026 3:59:49 PM EST | |||
| 15.00 | 4.00 | 8.50 | 6.25 | % | 0.42 | 0 | 0 | 4.34 | -1.00 | 0.00 | 0.00 | 10/30/2026 3:59:49 PM EST | |||
| 16.00 | 6.10 | 9.70 | 7.90 | % | 0.49 | 0 | 0 | 4.76 | -1.00 | 0.00 | 0.00 | 10/30/2026 3:59:49 PM EST |