Options Chain for PROTHENA CORP PLC SHS (PRTA) - $8.67 as of 7/20/2026 8:45:55 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 | 5.50 | 10.00 | 7.75 | % | 7.75 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 7/20/2026 3:59:59 PM EST | |||
| 2.00 | 4.50 | 9.00 | 6.75 | % | 3.38 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 7/20/2026 3:59:59 PM EST | |||
| 3.00 | 3.50 | 8.00 | 5.75 | % | 1.92 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 7/20/2026 3:59:59 PM EST | |||
| 4.00 | 2.40 | 7.00 | 4.70 | % | 1.18 | 0 | 0 | 7.25 | 1.00 | 0.00 | 0.00 | 7/20/2026 3:59:59 PM EST | |||
| 5.00 | 1.30 | 6.00 | 3.65 | % | 0.73 | 0 | 0 | 5.59 | 1.00 | 0.01 | 0.00 | 7/20/2026 3:59:59 PM EST | |||
| 6.00 | 0.40 | 4.90 | 2.65 | % | 0.44 | 0 | 0 | 4.30 | 0.97 | 0.04 | 0.00 | 7/20/2026 3:59:59 PM EST | |||
| 7.00 | 1.30 | 3.70 | 2.50 | % | 0.36 | 0 | 0 | 3.18 | 0.87 | 0.12 | -0.01 | 7/20/2026 3:59:59 PM EST | |||
| 8.00 | 0.80 | 1.70 | 1.25 | 1.02 | -0.43 | -29.66% | 0.16 | 6 | 10 | 0.86 | 0.70 | 0.20 | -0.01 | 7/20/2026 | 7/20/2026 3:59:59 PM EST |
| 9.00 | 0.30 | 0.60 | 0.45 | 0.45 | -0.05 | -10.00% | 0.05 | 1,137 | 20 | 0.56 | 0.48 | 0.22 | -0.01 | 7/20/2026 | 7/20/2026 3:59:59 PM EST |
| 10.00 | 0.15 | 0.35 | 0.25 | 0.20 | -0.05 | -20.00% | 0.03 | 134 | 94 | 0.64 | 0.29 | 0.19 | -0.01 | 7/20/2026 | 7/20/2026 3:59:59 PM EST |
| 11.00 | 0.10 | 0.15 | 0.13 | 0.15 | 0.00 | 0.00% | 0.01 | 0 | 1,663 | 0.69 | 0.16 | 0.13 | -0.01 | 7/17/2026 | 7/20/2026 3:59:59 PM EST |
| 12.00 | 0.05 | 0.15 | 0.10 | 0.17 | 0.00 | 0.00% | 0.01 | 0 | 20 | 0.79 | 0.08 | 0.08 | 0.00 | 7/9/2026 | 7/20/2026 3:59:59 PM EST |
| 13.00 | 0.00 | 0.65 | 0.33 | % | 0.03 | 0 | 0 | 1.74 | 0.03 | 0.04 | 0.00 | 7/20/2026 3:59:59 PM EST | |||
| 14.00 | 0.00 | 4.40 | 2.20 | % | 0.16 | 0 | 0 | 5.80 | 0.02 | 0.02 | 0.00 | 7/20/2026 3:59:59 PM EST | |||
| 15.00 | 0.00 | 0.15 | 0.08 | % | 0.01 | 0 | 0 | 1.31 | 0.01 | 0.01 | 0.00 | 7/20/2026 3:59:59 PM EST | |||
| 16.00 | 0.00 | 4.80 | 2.40 | % | 0.15 | 0 | 0 | 6.54 | 0.00 | 0.00 | 0.00 | 7/20/2026 3:59:59 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 | 0.10 | 0.05 | % | 0.05 | 0 | 0 | 4.83 | 0.00 | 0.00 | 0.00 | 7/20/2026 3:59:59 PM EST | |||
| 2.00 | 0.00 | 0.25 | 0.13 | % | 0.07 | 0 | 0 | 4.12 | 0.00 | 0.00 | 0.00 | 7/20/2026 3:59:59 PM EST | |||
| 3.00 | 0.00 | 2.60 | 1.30 | % | 0.43 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 7/20/2026 3:59:59 PM EST | |||
| 4.00 | 0.00 | 2.60 | 1.30 | % | 0.33 | 0 | 0 | 7.86 | 0.00 | 0.00 | 0.00 | 7/20/2026 3:59:59 PM EST | |||
| 5.00 | 0.00 | 2.55 | 1.28 | % | 0.26 | 0 | 0 | 5.92 | 0.00 | 0.01 | 0.00 | 7/20/2026 3:59:59 PM EST | |||
| 6.00 | 0.00 | 2.65 | 1.33 | % | 0.22 | 0 | 0 | 4.87 | -0.03 | 0.04 | 0.00 | 7/20/2026 3:59:59 PM EST | |||
| 7.00 | 0.00 | 1.60 | 0.80 | % | 0.11 | 0 | 0 | 2.59 | -0.13 | 0.12 | -0.01 | 7/20/2026 3:59:59 PM EST | |||
| 8.00 | 0.30 | 0.60 | 0.45 | 0.30 | % | 0.06 | 1 | 0 | 0.76 | -0.30 | 0.20 | -0.01 | 7/20/2026 | 7/20/2026 3:59:59 PM EST | |
| 9.00 | 0.70 | 1.15 | 0.93 | 0.91 | 0.00 | 0.00% | 0.10 | 0 | 2 | 0.74 | -0.52 | 0.22 | -0.01 | 7/14/2026 | 7/20/2026 3:59:59 PM EST |
| 10.00 | 1.15 | 1.90 | 1.53 | % | 0.15 | 0 | 0 | 0.99 | -0.71 | 0.19 | -0.01 | 7/20/2026 3:59:59 PM EST | |||
| 11.00 | 2.00 | 3.20 | 2.60 | % | 0.24 | 0 | 0 | 1.55 | -0.84 | 0.13 | -0.01 | 7/20/2026 3:59:59 PM EST | |||
| 12.00 | 1.00 | 4.90 | 2.95 | % | 0.25 | 0 | 0 | 2.47 | -0.92 | 0.08 | 0.00 | 7/20/2026 3:59:59 PM EST | |||
| 13.00 | 2.05 | 6.90 | 4.48 | % | 0.34 | 0 | 0 | 3.66 | -0.97 | 0.04 | 0.00 | 7/20/2026 3:59:59 PM EST | |||
| 14.00 | 3.00 | 7.90 | 5.45 | % | 0.39 | 0 | 0 | 3.82 | -0.98 | 0.02 | 0.00 | 7/20/2026 3:59:59 PM EST | |||
| 15.00 | 4.00 | 8.50 | 6.25 | % | 0.42 | 0 | 0 | 3.58 | -0.99 | 0.01 | 0.00 | 7/20/2026 3:59:59 PM EST | |||
| 16.00 | 5.00 | 9.50 | 7.25 | % | 0.45 | 0 | 0 | 3.72 | -1.00 | 0.00 | 0.00 | 7/20/2026 3:59:59 PM EST |