Options Chain for PROTAGONIST THERAPEUTICS INC COM (PTGX) - $87.41 as of 12/23/2025 1:55:03 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 22.50 | 64.10 | 68.00 | 66.05 | % | 2.94 | 0 | 0 | 3.91 | 1.00 | 0.00 | 0.00 | 12/23/2025 1:59:06 PM EST | |||
| 25.00 | 61.60 | 65.50 | 63.55 | % | 2.54 | 0 | 0 | 3.62 | 1.00 | 0.00 | 0.00 | 12/23/2025 1:59:06 PM EST | |||
| 30.00 | 56.60 | 60.50 | 58.55 | % | 1.95 | 0 | 0 | 3.13 | 1.00 | 0.00 | 0.00 | 12/23/2025 1:59:06 PM EST | |||
| 35.00 | 51.60 | 55.50 | 53.55 | % | 1.53 | 0 | 0 | 2.72 | 1.00 | 0.00 | 0.00 | 12/23/2025 1:59:06 PM EST | |||
| 40.00 | 46.60 | 50.50 | 48.55 | 49.00 | 0.00 | 0.00% | 1.21 | 0 | 93 | 2.37 | 1.00 | 0.00 | 0.00 | 10/10/2025 | 12/23/2025 1:59:06 PM EST |
| 45.00 | 41.60 | 45.50 | 43.55 | % | 0.97 | 0 | 0 | 2.07 | 1.00 | 0.00 | 0.00 | 12/23/2025 1:59:06 PM EST | |||
| 50.00 | 36.60 | 40.50 | 38.55 | 15.00 | 0.00 | 0.00% | 0.77 | 0 | 22 | 1.79 | 1.00 | 0.00 | 0.00 | 9/19/2025 | 12/23/2025 1:59:06 PM EST |
| 55.00 | 31.80 | 35.50 | 33.65 | 32.79 | 0.00 | 0.00% | 0.61 | 0 | 51 | 1.55 | 1.00 | 0.00 | 0.00 | 12/19/2025 | 12/23/2025 1:59:06 PM EST |
| 60.00 | 26.70 | 30.50 | 28.60 | 16.70 | 0.00 | 0.00% | 0.48 | 0 | 47 | 1.32 | 1.00 | 0.00 | 0.00 | 10/24/2025 | 12/23/2025 1:59:06 PM EST |
| 65.00 | 22.00 | 26.00 | 24.00 | 13.32 | 0.00 | 0.00% | 0.37 | 0 | 306 | 1.22 | 1.00 | 0.00 | 0.00 | 10/16/2025 | 12/23/2025 1:59:06 PM EST |
| 70.00 | 17.10 | 21.00 | 19.05 | 16.73 | 0.00 | 0.00% | 0.27 | 0 | 303 | 1.01 | 0.99 | 0.00 | -0.02 | 11/17/2025 | 12/23/2025 1:59:06 PM EST |
| 75.00 | 12.20 | 16.50 | 14.35 | 20.00 | 0.00 | 0.00% | 0.19 | 0 | 22 | 0.89 | 0.96 | 0.01 | -0.03 | 12/15/2025 | 12/23/2025 1:59:06 PM EST |
| 80.00 | 8.50 | 11.50 | 10.00 | 9.40 | 0.00 | 0.00% | 0.12 | 0 | 56 | 0.68 | 0.86 | 0.02 | -0.06 | 12/22/2025 | 12/23/2025 1:59:06 PM EST |
| 85.00 | 4.50 | 7.70 | 6.10 | 6.00 | 0.00 | 0.00% | 0.07 | 0 | 197 | 0.39 | 0.70 | 0.04 | -0.07 | 12/22/2025 | 12/23/2025 1:59:06 PM EST |
| 90.00 | 2.70 | 3.70 | 3.20 | 4.30 | +1.60 | +59.26% | 0.04 | 5 | 3,577 | 0.37 | 0.48 | 0.05 | -0.08 | 12/23/2025 | 12/23/2025 1:59:06 PM EST |
| 95.00 | 0.05 | 1.85 | 0.95 | 1.32 | 0.00 | 0.00% | 0.01 | 0 | 4,171 | 0.30 | 0.26 | 0.04 | -0.06 | 12/22/2025 | 12/23/2025 1:59:06 PM EST |
| 100.00 | 0.20 | 0.90 | 0.55 | 0.70 | 0.00 | 0.00% | 0.01 | 50 | 507 | 0.37 | 0.11 | 0.02 | -0.03 | 12/23/2025 | 12/23/2025 1:59:06 PM EST |
| 105.00 | 0.00 | 2.65 | 1.33 | 0.50 | 0.00 | 0.00% | 0.01 | 0 | 7 | 0.60 | 0.04 | 0.01 | -0.01 | 12/17/2025 | 12/23/2025 1:59:06 PM EST |
| 110.00 | 0.00 | 4.90 | 2.45 | 1.28 | 0.00 | 0.00% | 0.02 | 0 | 1 | 1.26 | 0.01 | 0.00 | -0.01 | 12/10/2025 | 12/23/2025 1:59:06 PM EST |
| 115.00 | 0.00 | 4.90 | 2.45 | % | 0.02 | 0 | 0 | 1.38 | 0.00 | 0.00 | 0.00 | 12/23/2025 1:59:06 PM EST | |||
| 120.00 | 0.00 | 4.90 | 2.45 | 0.10 | 0.00 | 0.00% | 0.02 | 0 | 5 | 1.49 | 0.00 | 0.00 | 0.00 | 12/16/2025 | 12/23/2025 1:59:06 PM EST |
| 125.00 | 0.00 | 4.90 | 2.45 | % | 0.02 | 0 | 0 | 1.60 | 0.00 | 0.00 | 0.00 | 12/23/2025 1:59:06 PM EST | |||
| 130.00 | 0.00 | 4.90 | 2.45 | % | 0.02 | 0 | 0 | 1.69 | 0.00 | 0.00 | 0.00 | 12/23/2025 1:59:06 PM EST | |||
| 135.00 | 0.00 | 4.90 | 2.45 | % | 0.02 | 0 | 0 | 1.78 | 0.00 | 0.00 | 0.00 | 12/23/2025 1:59:06 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 22.50 | 0.00 | 4.90 | 2.45 | % | 0.11 | 0 | 0 | 5.58 | 0.00 | 0.00 | 0.00 | 12/23/2025 1:59:06 PM EST | |||
| 25.00 | 0.00 | 4.90 | 2.45 | 0.45 | 0.00 | 0.00% | 0.10 | 0 | 3 | 5.16 | 0.00 | 0.00 | 0.00 | 8/11/2025 | 12/23/2025 1:59:06 PM EST |
| 30.00 | 0.00 | 4.90 | 2.45 | 0.65 | 0.00 | 0.00% | 0.08 | 0 | 1 | 4.47 | 0.00 | 0.00 | 0.00 | 8/11/2025 | 12/23/2025 1:59:06 PM EST |
| 35.00 | 0.00 | 4.90 | 2.45 | 0.95 | 0.00 | 0.00% | 0.07 | 0 | 1 | 3.91 | 0.00 | 0.00 | 0.00 | 8/11/2025 | 12/23/2025 1:59:06 PM EST |
| 40.00 | 0.00 | 4.90 | 2.45 | 1.50 | 0.00 | 0.00% | 0.06 | 0 | 1 | 3.44 | 0.00 | 0.00 | 0.00 | 8/5/2025 | 12/23/2025 1:59:06 PM EST |
| 45.00 | 0.00 | 4.90 | 2.45 | 2.95 | 0.00 | 0.00% | 0.05 | 0 | 1 | 3.03 | 0.00 | 0.00 | 0.00 | 7/31/2025 | 12/23/2025 1:59:06 PM EST |
| 50.00 | 0.00 | 4.90 | 2.45 | 2.64 | 0.00 | 0.00% | 0.05 | 0 | 50 | 2.67 | 0.00 | 0.00 | 0.00 | 8/29/2025 | 12/23/2025 1:59:06 PM EST |
| 55.00 | 0.00 | 4.90 | 2.45 | % | 0.04 | 0 | 0 | 2.34 | 0.00 | 0.00 | 0.00 | 12/23/2025 1:59:06 PM EST | |||
| 60.00 | 0.00 | 4.90 | 2.45 | 4.45 | 0.00 | 0.00% | 0.04 | 0 | 1 | 2.04 | 0.00 | 0.00 | 0.00 | 9/25/2025 | 12/23/2025 1:59:06 PM EST |
| 65.00 | 0.00 | 3.00 | 1.50 | 1.15 | 0.00 | 0.00% | 0.02 | 0 | 1 | 1.43 | 0.00 | 0.00 | 0.00 | 10/20/2025 | 12/23/2025 1:59:06 PM EST |
| 70.00 | 0.00 | 1.55 | 0.78 | 0.45 | 0.00 | 0.00% | 0.01 | 0 | 81 | 0.93 | -0.01 | 0.00 | -0.02 | 12/5/2025 | 12/23/2025 1:59:06 PM EST |
| 75.00 | 0.00 | 4.90 | 2.45 | 0.80 | 0.00 | 0.00% | 0.03 | 0 | 144 | 1.26 | -0.04 | 0.01 | -0.03 | 12/19/2025 | 12/23/2025 1:59:06 PM EST |
| 80.00 | 0.05 | 3.00 | 1.53 | 0.92 | 0.00 | 0.00% | 0.02 | 0 | 53 | 0.43 | -0.14 | 0.02 | -0.06 | 12/16/2025 | 12/23/2025 1:59:06 PM EST |
| 85.00 | 0.50 | 3.20 | 1.85 | 4.60 | 0.00 | 0.00% | 0.02 | 0 | 25 | 0.37 | -0.30 | 0.04 | -0.07 | 12/18/2025 | 12/23/2025 1:59:06 PM EST |
| 90.00 | 2.50 | 5.20 | 3.85 | 6.60 | 0.00 | 0.00% | 0.04 | 0 | 6 | 0.37 | -0.52 | 0.05 | -0.08 | 12/19/2025 | 12/23/2025 1:59:06 PM EST |
| 95.00 | 6.00 | 9.50 | 7.75 | % | 0.08 | 0 | 0 | 0.65 | -0.74 | 0.04 | -0.06 | 12/23/2025 1:59:06 PM EST | |||
| 100.00 | 10.00 | 13.50 | 11.75 | % | 0.12 | 0 | 0 | 0.69 | -0.89 | 0.02 | -0.03 | 12/23/2025 1:59:06 PM EST | |||
| 105.00 | 14.50 | 18.60 | 16.55 | 27.00 | 0.00 | 0.00% | 0.16 | 0 | 0 | 0.85 | -0.96 | 0.01 | -0.01 | 10/13/2025 | 12/23/2025 1:59:06 PM EST |
| 110.00 | 19.50 | 23.40 | 21.45 | % | 0.20 | 0 | 0 | 0.94 | -0.99 | 0.00 | -0.01 | 12/23/2025 1:59:06 PM EST | |||
| 115.00 | 24.50 | 28.40 | 26.45 | % | 0.23 | 0 | 0 | 1.05 | -1.00 | 0.00 | 0.00 | 12/23/2025 1:59:06 PM EST | |||
| 120.00 | 29.50 | 33.50 | 31.50 | % | 0.26 | 0 | 0 | 1.17 | -1.00 | 0.00 | 0.00 | 12/23/2025 1:59:06 PM EST | |||
| 125.00 | 34.50 | 38.60 | 36.55 | % | 0.29 | 0 | 0 | 1.29 | -1.00 | 0.00 | 0.00 | 12/23/2025 1:59:06 PM EST | |||
| 130.00 | 39.50 | 43.60 | 41.55 | % | 0.32 | 0 | 0 | 1.38 | -1.00 | 0.00 | 0.00 | 12/23/2025 1:59:06 PM EST | |||
| 135.00 | 44.50 | 48.60 | 46.55 | 54.10 | 0.00 | 0.00% | 0.34 | 0 | 0 | 1.46 | -1.00 | 0.00 | 0.00 | 10/13/2025 | 12/23/2025 1:59:06 PM EST |