Options Chain for PROTHENA CORP PLC SHS (PRTA) - $8.70 as of 7/27/2026 8:50:41 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1.00 | 5.90 | 10.00 | 7.95 | 7.70 | 0.00 | 0.00% | 7.95 | 0 | 1 | 0.00 | 1.00 | 0.00 | 0.00 | 6/17/2026 | 7/27/2026 3:59:56 PM EST |
| 2.00 | 4.50 | 9.00 | 6.75 | 7.26 | 0.00 | 0.00% | 3.38 | 0 | 1 | 0.00 | 1.00 | 0.00 | 0.00 | 5/20/2026 | 7/27/2026 3:59:56 PM EST |
| 3.00 | 3.50 | 8.00 | 5.75 | % | 1.92 | 0 | 0 | 7.44 | 1.00 | 0.00 | 0.00 | 7/27/2026 3:59:56 PM EST | |||
| 4.00 | 3.40 | 5.70 | 4.55 | 6.14 | 0.00 | 0.00% | 1.14 | 0 | 1 | 2.66 | 1.00 | 0.00 | 0.00 | 5/29/2026 | 7/27/2026 3:59:56 PM EST |
| 5.00 | 1.85 | 4.70 | 3.28 | % | 0.66 | 0 | 3 | 2.05 | 0.99 | 0.01 | 0.00 | 7/27/2026 3:59:56 PM EST | |||
| 6.00 | 2.00 | 4.00 | 3.00 | % | 0.50 | 0 | 0 | 1.92 | 0.96 | 0.04 | 0.00 | 7/27/2026 3:59:56 PM EST | |||
| 7.00 | 1.35 | 3.10 | 2.23 | 2.45 | 0.00 | 0.00% | 0.32 | 0 | 12 | 1.55 | 0.87 | 0.10 | -0.01 | 7/10/2026 | 7/27/2026 3:59:56 PM EST |
| 8.00 | 0.60 | 2.15 | 1.38 | % | 0.17 | 0 | 0 | 1.17 | 0.71 | 0.16 | -0.01 | 7/27/2026 3:59:56 PM EST | |||
| 9.00 | 0.45 | 1.15 | 0.80 | 1.13 | 0.00 | 0.00% | 0.09 | 0 | 4 | 0.64 | 0.53 | 0.19 | -0.01 | 6/22/2026 | 7/27/2026 3:59:56 PM EST |
| 10.00 | 0.25 | 0.90 | 0.58 | 0.35 | -0.12 | -25.54% | 0.06 | 11 | 91 | 0.53 | 0.35 | 0.18 | -0.01 | 7/27/2026 | 7/27/2026 3:59:56 PM EST |
| 11.00 | 0.05 | 0.30 | 0.18 | 1.30 | 0.00 | 0.00% | 0.02 | 0 | 40 | 0.54 | 0.22 | 0.14 | -0.01 | 4/7/2026 | 7/27/2026 3:59:56 PM EST |
| 12.00 | 0.00 | 0.90 | 0.45 | 0.94 | 0.00 | 0.00% | 0.04 | 0 | 17 | 1.35 | 0.13 | 0.10 | 0.00 | 4/1/2026 | 7/27/2026 3:59:56 PM EST |
| 13.00 | 0.00 | 0.60 | 0.30 | 0.18 | 0.00 | 0.00% | 0.02 | 0 | 406 | 1.25 | 0.07 | 0.06 | 0.00 | 7/9/2026 | 7/27/2026 3:59:56 PM EST |
| 14.00 | 0.00 | 2.75 | 1.38 | 0.15 | 0.00 | 0.00% | 0.10 | 0 | 251 | 3.04 | 0.04 | 0.04 | 0.00 | 6/23/2026 | 7/27/2026 3:59:56 PM EST |
| 15.00 | 0.00 | 0.75 | 0.38 | 0.35 | 0.00 | 0.00% | 0.03 | 0 | 1,877 | 1.61 | 0.02 | 0.02 | 0.00 | 5/29/2026 | 7/27/2026 3:59:56 PM EST |
| 16.00 | 0.00 | 3.60 | 1.80 | % | 0.11 | 0 | 0 | 3.93 | 0.01 | 0.01 | 0.00 | 7/27/2026 3:59:56 PM EST | |||
| 17.00 | 0.00 | 3.50 | 1.75 | % | 0.10 | 0 | 0 | 3.94 | 0.00 | 0.01 | 0.00 | 7/27/2026 3:59:56 PM EST | |||
| 20.00 | 0.00 | 2.75 | 1.38 | % | 0.07 | 0 | 0 | 3.62 | 0.00 | 0.00 | 0.00 | 7/27/2026 3:59:56 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1.00 | 0.00 | 0.05 | 0.03 | % | 0.03 | 0 | 0 | 3.27 | 0.00 | 0.00 | 0.00 | 7/27/2026 3:59:56 PM EST | |||
| 2.00 | 0.00 | 3.10 | 1.55 | % | 0.78 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 7/27/2026 3:59:56 PM EST | |||
| 3.00 | 0.00 | 2.75 | 1.38 | % | 0.46 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 7/27/2026 3:59:56 PM EST | |||
| 4.00 | 0.00 | 2.20 | 1.10 | % | 0.28 | 0 | 0 | 5.34 | 0.00 | 0.00 | 0.00 | 7/27/2026 3:59:56 PM EST | |||
| 5.00 | 0.00 | 2.75 | 1.38 | % | 0.28 | 0 | 0 | 5.02 | -0.01 | 0.01 | 0.00 | 7/27/2026 3:59:56 PM EST | |||
| 6.00 | 0.00 | 2.75 | 1.38 | % | 0.23 | 0 | 0 | 4.00 | -0.04 | 0.04 | 0.00 | 7/27/2026 3:59:56 PM EST | |||
| 7.00 | 0.00 | 1.25 | 0.63 | % | 0.09 | 0 | 0 | 1.47 | -0.13 | 0.10 | -0.01 | 7/27/2026 3:59:56 PM EST | |||
| 8.00 | 0.30 | 0.60 | 0.45 | 0.75 | 0.00 | 0.00% | 0.06 | 0 | 1,254 | 0.64 | -0.29 | 0.16 | -0.01 | 6/10/2026 | 7/27/2026 3:59:56 PM EST |
| 9.00 | 0.75 | 1.05 | 0.90 | 0.80 | 0.00 | 0.00% | 0.10 | 0 | 2,286 | 0.62 | -0.47 | 0.19 | -0.01 | 7/10/2026 | 7/27/2026 3:59:56 PM EST |
| 10.00 | 1.15 | 2.10 | 1.63 | % | 0.16 | 0 | 0 | 1.05 | -0.65 | 0.18 | -0.01 | 7/27/2026 3:59:56 PM EST | |||
| 11.00 | 0.30 | 2.90 | 1.60 | % | 0.15 | 0 | 0 | 1.11 | -0.78 | 0.14 | -0.01 | 7/27/2026 3:59:56 PM EST | |||
| 12.00 | 2.30 | 4.50 | 3.40 | 3.50 | 0.00 | 0.00% | 0.28 | 0 | 0 | 1.60 | -0.87 | 0.10 | 0.00 | 5/13/2026 | 7/27/2026 3:59:56 PM EST |
| 13.00 | 2.00 | 5.00 | 3.50 | % | 0.27 | 0 | 0 | 1.44 | -0.93 | 0.06 | 0.00 | 7/27/2026 3:59:56 PM EST | |||
| 14.00 | 3.70 | 6.70 | 5.20 | % | 0.37 | 0 | 0 | 2.21 | -0.96 | 0.04 | 0.00 | 7/27/2026 3:59:56 PM EST | |||
| 15.00 | 5.10 | 7.00 | 6.05 | % | 0.40 | 0 | 0 | 1.78 | -0.98 | 0.02 | 0.00 | 7/27/2026 3:59:56 PM EST | |||
| 16.00 | 6.10 | 8.00 | 7.05 | % | 0.44 | 0 | 0 | 1.89 | -0.99 | 0.01 | 0.00 | 7/27/2026 3:59:56 PM EST | |||
| 17.00 | 7.30 | 8.80 | 8.05 | % | 0.47 | 0 | 0 | 1.81 | -1.00 | 0.01 | 0.00 | 7/27/2026 3:59:56 PM EST | |||
| 20.00 | 9.00 | 12.60 | 10.80 | 11.76 | 0.00 | 0.00% | 0.54 | 0 | 0 | 2.75 | -1.00 | 0.00 | 0.00 | 6/15/2026 | 7/27/2026 3:59:56 PM EST |