Options Chain for PROTHENA CORP PLC SHS (PRTA) - $9.86 as of 5/15/2026 8:01:16 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2.00 | 5.50 | 10.00 | 7.75 | % | 3.88 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 5/15/2026 3:59:59 PM EST | |||
| 3.00 | 4.50 | 9.00 | 6.75 | % | 2.25 | 0 | 0 | 9.11 | 1.00 | 0.00 | 0.00 | 5/15/2026 3:59:59 PM EST | |||
| 4.00 | 3.60 | 8.00 | 5.80 | % | 1.45 | 0 | 0 | 6.64 | 1.00 | 0.00 | 0.00 | 5/15/2026 3:59:59 PM EST | |||
| 5.00 | 2.50 | 6.90 | 4.70 | % | 0.94 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 5/15/2026 3:59:59 PM EST | |||
| 6.00 | 1.50 | 6.10 | 3.80 | 5.45 | 0.00 | 0.00% | 0.63 | 0 | 0 | 4.38 | 0.99 | 0.01 | 0.00 | 5/8/2026 | 5/15/2026 3:59:59 PM EST |
| 7.00 | 0.50 | 4.90 | 2.70 | 4.40 | 0.00 | 0.00% | 0.39 | 0 | 1 | 3.34 | 0.96 | 0.04 | -0.01 | 5/8/2026 | 5/15/2026 3:59:59 PM EST |
| 8.00 | 0.05 | 4.90 | 2.48 | % | 0.31 | 0 | 1 | 3.78 | 0.86 | 0.10 | -0.01 | 5/15/2026 3:59:59 PM EST | |||
| 9.00 | 0.00 | 4.80 | 2.40 | 1.82 | 0.00 | 0.00% | 0.27 | 0 | 6 | 4.02 | 0.71 | 0.16 | -0.01 | 4/8/2026 | 5/15/2026 3:59:59 PM EST |
| 10.00 | 0.40 | 1.10 | 0.75 | 0.35 | 0.00 | 0.00% | 0.07 | 0 | 274 | 0.65 | 0.53 | 0.19 | -0.01 | 5/12/2026 | 5/15/2026 3:59:59 PM EST |
| 11.00 | 0.40 | 1.20 | 0.80 | 0.40 | +0.15 | +60.00% | 0.07 | 1,002 | 705 | 0.91 | 0.36 | 0.18 | -0.01 | 5/15/2026 | 5/15/2026 3:59:59 PM EST |
| 12.00 | 0.00 | 0.95 | 0.48 | 0.52 | 0.00 | 0.00% | 0.04 | 0 | 883 | 1.36 | 0.22 | 0.14 | -0.01 | 5/8/2026 | 5/15/2026 3:59:59 PM EST |
| 13.00 | 0.00 | 4.80 | 2.40 | 0.25 | 0.00 | 0.00% | 0.18 | 0 | 245 | 4.94 | 0.13 | 0.10 | -0.01 | 4/20/2026 | 5/15/2026 3:59:59 PM EST |
| 14.00 | 0.00 | 4.80 | 2.40 | % | 0.17 | 0 | 75 | 5.10 | 0.07 | 0.06 | 0.00 | 5/15/2026 3:59:59 PM EST | |||
| 15.00 | 0.00 | 1.00 | 0.50 | % | 0.03 | 0 | 29 | 1.93 | 0.03 | 0.04 | 0.00 | 5/15/2026 3:59:59 PM EST | |||
| 16.00 | 0.00 | 0.60 | 0.30 | 0.37 | 0.00 | 0.00% | 0.02 | 0 | 25 | 1.68 | 0.02 | 0.02 | 0.00 | 5/8/2026 | 5/15/2026 3:59:59 PM EST |
| 17.00 | 0.00 | 1.40 | 0.70 | 0.32 | 0.00 | 0.00% | 0.04 | 0 | 11 | 2.55 | 0.01 | 0.01 | 0.00 | 5/8/2026 | 5/15/2026 3:59:59 PM EST |
| 18.00 | 0.00 | 4.80 | 2.40 | % | 0.13 | 0 | 0 | 5.61 | 0.00 | 0.01 | 0.00 | 5/15/2026 3:59:59 PM EST | |||
| 20.00 | 0.00 | 0.20 | 0.10 | % | 0.01 | 0 | 0 | 1.55 | 0.00 | 0.00 | 0.00 | 5/15/2026 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2.00 | 0.00 | 1.35 | 0.68 | % | 0.34 | 0 | 0 | 9.25 | 0.00 | 0.00 | 0.00 | 5/15/2026 3:59:59 PM EST | |||
| 3.00 | 0.00 | 2.65 | 1.33 | % | 0.44 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 5/15/2026 3:59:59 PM EST | |||
| 4.00 | 0.00 | 2.75 | 1.38 | % | 0.34 | 0 | 0 | 8.37 | 0.00 | 0.00 | 0.00 | 5/15/2026 3:59:59 PM EST | |||
| 5.00 | 0.00 | 1.75 | 0.88 | % | 0.18 | 0 | 0 | 4.61 | 0.00 | 0.00 | 0.00 | 5/15/2026 3:59:59 PM EST | |||
| 6.00 | 0.00 | 1.75 | 0.88 | % | 0.15 | 0 | 0 | 3.75 | -0.01 | 0.01 | 0.00 | 5/15/2026 3:59:59 PM EST | |||
| 7.00 | 0.00 | 1.15 | 0.58 | 0.25 | 0.00 | 0.00% | 0.08 | 0 | 345 | 2.35 | -0.04 | 0.04 | -0.01 | 3/24/2026 | 5/15/2026 3:59:59 PM EST |
| 8.00 | 0.00 | 3.10 | 1.55 | % | 0.19 | 0 | 1 | 3.92 | -0.14 | 0.10 | -0.01 | 5/15/2026 3:59:59 PM EST | |||
| 9.00 | 0.05 | 4.90 | 2.48 | 0.65 | 0.00 | 0.00% | 0.28 | 0 | 11 | 2.73 | -0.29 | 0.16 | -0.01 | 5/13/2026 | 5/15/2026 3:59:59 PM EST |
| 10.00 | 0.70 | 1.20 | 0.95 | 0.70 | 0.00 | 0.00% | 0.10 | 0 | 5 | 0.76 | -0.47 | 0.19 | -0.01 | 5/11/2026 | 5/15/2026 3:59:59 PM EST |
| 11.00 | 0.75 | 2.35 | 1.55 | 0.75 | 0.00 | 0.00% | 0.14 | 0 | 159 | 1.41 | -0.64 | 0.18 | -0.01 | 5/7/2026 | 5/15/2026 3:59:59 PM EST |
| 12.00 | 0.55 | 4.90 | 2.73 | 1.90 | 0.00 | 0.00% | 0.23 | 0 | 81 | 2.97 | -0.78 | 0.14 | -0.01 | 5/11/2026 | 5/15/2026 3:59:59 PM EST |
| 13.00 | 1.00 | 4.90 | 2.95 | % | 0.23 | 0 | 0 | 2.34 | -0.87 | 0.10 | -0.01 | 5/15/2026 3:59:59 PM EST | |||
| 14.00 | 2.60 | 6.50 | 4.55 | % | 0.33 | 0 | 0 | 3.03 | -0.93 | 0.06 | 0.00 | 5/15/2026 3:59:59 PM EST | |||
| 15.00 | 3.10 | 7.20 | 5.15 | % | 0.34 | 0 | 0 | 2.94 | -0.97 | 0.04 | 0.00 | 5/15/2026 3:59:59 PM EST | |||
| 16.00 | 4.60 | 7.90 | 6.25 | % | 0.39 | 0 | 0 | 2.84 | -0.98 | 0.02 | 0.00 | 5/15/2026 3:59:59 PM EST | |||
| 17.00 | 4.90 | 9.00 | 6.95 | % | 0.41 | 0 | 0 | 3.06 | -0.99 | 0.01 | 0.00 | 5/15/2026 3:59:59 PM EST | |||
| 18.00 | 5.90 | 10.00 | 7.95 | % | 0.44 | 0 | 0 | 3.18 | -1.00 | 0.01 | 0.00 | 5/15/2026 3:59:59 PM EST | |||
| 20.00 | 7.80 | 12.00 | 9.90 | % | 0.49 | 0 | 0 | 3.40 | -1.00 | 0.00 | 0.00 | 5/15/2026 3:59:59 PM EST |