Options Chain for PROTAGONIST THERAPEUTICS INC COM (PTGX) - $85.13 as of 11/19/2025 9:19:52 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 30.00 | 54.00 | 57.50 | 55.75 | % | 1.86 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 11/19/2025 3:59:53 PM EST | |||
| 35.00 | 49.00 | 52.50 | 50.75 | % | 1.45 | 0 | 0 | 9.75 | 1.00 | 0.00 | 0.00 | 11/19/2025 3:59:53 PM EST | |||
| 40.00 | 44.00 | 47.50 | 45.75 | % | 1.14 | 0 | 0 | 8.36 | 1.00 | 0.00 | 0.00 | 11/19/2025 3:59:53 PM EST | |||
| 45.00 | 39.00 | 42.50 | 40.75 | % | 0.91 | 0 | 0 | 7.16 | 1.00 | 0.00 | 0.00 | 11/19/2025 3:59:53 PM EST | |||
| 50.00 | 34.00 | 37.50 | 35.75 | % | 0.71 | 0 | 0 | 6.09 | 1.00 | 0.00 | 0.00 | 11/19/2025 3:59:53 PM EST | |||
| 55.00 | 29.00 | 32.50 | 30.75 | 21.72 | 0.00 | 0.00% | 0.56 | 0 | 47 | 5.12 | 1.00 | 0.00 | 0.00 | 10/17/2025 | 11/19/2025 3:59:53 PM EST |
| 60.00 | 24.00 | 27.50 | 25.75 | 18.75 | 0.00 | 0.00% | 0.43 | 0 | 4 | 4.25 | 1.00 | 0.00 | 0.00 | 11/7/2025 | 11/19/2025 3:59:53 PM EST |
| 65.00 | 19.00 | 21.30 | 20.15 | 21.00 | +0.50 | +2.44% | 0.31 | 10 | 73 | 1.19 | 1.00 | 0.00 | 0.00 | 11/19/2025 | 11/19/2025 3:59:53 PM EST |
| 70.00 | 14.00 | 17.50 | 15.75 | 12.50 | 0.00 | 0.00% | 0.23 | 0 | 39 | 2.69 | 1.00 | 0.00 | 0.00 | 11/10/2025 | 11/19/2025 3:59:53 PM EST |
| 75.00 | 8.90 | 12.30 | 10.60 | 9.95 | 0.00 | 0.00% | 0.14 | 0 | 128 | 1.84 | 0.99 | 0.01 | -0.03 | 11/14/2025 | 11/19/2025 3:59:53 PM EST |
| 80.00 | 5.50 | 7.30 | 6.40 | 5.30 | -0.70 | -11.67% | 0.08 | 6 | 452 | 0.60 | 0.89 | 0.03 | -0.35 | 11/19/2025 | 11/19/2025 3:59:53 PM EST |
| 85.00 | 0.60 | 2.50 | 1.55 | 1.80 | -0.10 | -5.27% | 0.02 | 34 | 595 | 0.31 | 0.64 | 0.07 | -1.06 | 11/19/2025 | 11/19/2025 3:59:53 PM EST |
| 90.00 | 0.25 | 1.20 | 0.73 | 0.50 | +0.15 | +42.86% | 0.01 | 10 | 1,155 | 0.73 | 0.26 | 0.07 | -0.62 | 11/19/2025 | 11/19/2025 3:59:53 PM EST |
| 95.00 | 0.10 | 0.75 | 0.43 | 0.10 | 0.00 | 0.00% | 0.00 | 21 | 1,106 | 0.93 | 0.04 | 0.02 | -0.08 | 11/19/2025 | 11/19/2025 3:59:53 PM EST |
| 100.00 | 0.00 | 4.90 | 2.45 | 0.15 | -0.15 | -50.00% | 0.02 | 9 | 21 | 2.41 | 0.01 | 0.00 | -0.01 | 11/19/2025 | 11/19/2025 3:59:53 PM EST |
| 105.00 | 0.05 | 2.50 | 1.28 | 0.20 | 0.00 | 0.00% | 0.01 | 0 | 124 | 2.18 | 0.00 | 0.00 | 0.00 | 11/3/2025 | 11/19/2025 3:59:53 PM EST |
| 110.00 | 0.00 | 4.90 | 2.45 | % | 0.02 | 0 | 0 | 4.71 | 0.00 | 0.00 | 0.00 | 11/19/2025 3:59:53 PM EST | |||
| 115.00 | 0.00 | 4.90 | 2.45 | % | 0.02 | 0 | 0 | 5.14 | 0.00 | 0.00 | 0.00 | 11/19/2025 3:59:53 PM EST | |||
| 120.00 | 0.00 | 4.90 | 2.45 | % | 0.02 | 0 | 0 | 5.52 | 0.00 | 0.00 | 0.00 | 11/19/2025 3:59:53 PM EST | |||
| 125.00 | 0.00 | 4.90 | 2.45 | % | 0.02 | 0 | 0 | 5.88 | 0.00 | 0.00 | 0.00 | 11/19/2025 3:59:53 PM EST | |||
| 130.00 | 0.00 | 4.90 | 2.45 | % | 0.02 | 0 | 0 | 6.20 | 0.00 | 0.00 | 0.00 | 11/19/2025 3:59:53 PM EST | |||
| 135.00 | 0.00 | 4.90 | 2.45 | 0.25 | 0.00 | 0.00% | 0.02 | 0 | 1 | 6.52 | 0.00 | 0.00 | 0.00 | 11/6/2025 | 11/19/2025 3:59:53 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 30.00 | 0.00 | 4.90 | 2.45 | 0.75 | 0.00 | 0.00% | 0.08 | 0 | 3 | 0.00 | 0.00 | 0.00 | 0.00 | 11/14/2025 | 11/19/2025 3:59:53 PM EST |
| 35.00 | 0.00 | 4.90 | 2.45 | % | 0.07 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 11/19/2025 3:59:53 PM EST | |||
| 40.00 | 0.00 | 4.90 | 2.45 | 0.12 | 0.00 | 0.00% | 0.06 | 0 | 2 | 0.00 | 0.00 | 0.00 | 0.00 | 10/13/2025 | 11/19/2025 3:59:53 PM EST |
| 45.00 | 0.00 | 0.95 | 0.48 | 0.10 | 0.00 | 0.00% | 0.01 | 0 | 1 | 0.00 | 0.00 | 0.00 | 0.00 | 10/10/2025 | 11/19/2025 3:59:53 PM EST |
| 50.00 | 0.00 | 0.95 | 0.48 | 0.15 | 0.00 | 0.00% | 0.01 | 0 | 11 | 5.35 | 0.00 | 0.00 | 0.00 | 10/22/2025 | 11/19/2025 3:59:53 PM EST |
| 55.00 | 0.00 | 0.65 | 0.33 | 0.20 | 0.00 | 0.00% | 0.01 | 0 | 14 | 4.18 | 0.00 | 0.00 | 0.00 | 10/23/2025 | 11/19/2025 3:59:53 PM EST |
| 60.00 | 0.00 | 0.75 | 0.38 | 0.60 | 0.00 | 0.00% | 0.01 | 0 | 600 | 3.64 | 0.00 | 0.00 | 0.00 | 11/4/2025 | 11/19/2025 3:59:53 PM EST |
| 65.00 | 0.00 | 0.75 | 0.38 | 0.20 | 0.00 | 0.00% | 0.01 | 0 | 423 | 3.00 | 0.00 | 0.00 | 0.00 | 11/18/2025 | 11/19/2025 3:59:53 PM EST |
| 70.00 | 0.05 | 1.65 | 0.85 | 0.05 | 0.00 | 0.00% | 0.01 | 1 | 1,168 | 2.23 | 0.00 | 0.00 | 0.00 | 11/19/2025 | 11/19/2025 3:59:53 PM EST |
| 75.00 | 0.05 | 4.90 | 2.48 | 0.15 | 0.00 | 0.00% | 0.03 | 0 | 422 | 2.53 | -0.01 | 0.01 | -0.03 | 11/13/2025 | 11/19/2025 3:59:53 PM EST |
| 80.00 | 0.15 | 1.00 | 0.58 | 0.30 | -0.30 | -50.00% | 0.01 | 2 | 1,704 | 1.05 | -0.11 | 0.03 | -0.35 | 11/19/2025 | 11/19/2025 3:59:53 PM EST |
| 85.00 | 0.90 | 4.90 | 2.90 | 1.70 | 0.00 | 0.00% | 0.03 | 0 | 153 | 1.40 | -0.36 | 0.07 | -1.06 | 11/17/2025 | 11/19/2025 3:59:53 PM EST |
| 90.00 | 3.00 | 6.50 | 4.75 | 13.00 | 0.00 | 0.00% | 0.05 | 0 | 40 | 1.70 | -0.74 | 0.07 | -0.62 | 11/4/2025 | 11/19/2025 3:59:53 PM EST |
| 95.00 | 7.50 | 11.00 | 9.25 | 20.00 | 0.00 | 0.00% | 0.10 | 0 | 18 | 2.08 | -0.96 | 0.02 | -0.08 | 10/27/2025 | 11/19/2025 3:59:53 PM EST |
| 100.00 | 12.50 | 16.00 | 14.25 | 14.45 | 0.00 | 0.00% | 0.14 | 0 | 0 | 2.60 | -0.99 | 0.00 | -0.01 | 11/12/2025 | 11/19/2025 3:59:53 PM EST |
| 105.00 | 17.50 | 21.00 | 19.25 | % | 0.18 | 0 | 0 | 3.06 | -1.00 | 0.00 | 0.00 | 11/19/2025 3:59:53 PM EST | |||
| 110.00 | 22.50 | 26.00 | 24.25 | 31.60 | 0.00 | 0.00% | 0.22 | 0 | 0 | 3.48 | -1.00 | 0.00 | 0.00 | 10/13/2025 | 11/19/2025 3:59:53 PM EST |
| 115.00 | 27.50 | 31.00 | 29.25 | % | 0.25 | 0 | 0 | 3.87 | -1.00 | 0.00 | 0.00 | 11/19/2025 3:59:53 PM EST | |||
| 120.00 | 32.50 | 36.00 | 34.25 | % | 0.29 | 0 | 0 | 4.23 | -1.00 | 0.00 | 0.00 | 11/19/2025 3:59:53 PM EST | |||
| 125.00 | 37.50 | 41.00 | 39.25 | % | 0.31 | 0 | 0 | 4.57 | -1.00 | 0.00 | 0.00 | 11/19/2025 3:59:53 PM EST | |||
| 130.00 | 42.50 | 46.00 | 44.25 | % | 0.34 | 0 | 0 | 4.89 | -1.00 | 0.00 | 0.00 | 11/19/2025 3:59:53 PM EST | |||
| 135.00 | 47.50 | 51.00 | 49.25 | % | 0.36 | 0 | 0 | 5.20 | -1.00 | 0.00 | 0.00 | 11/19/2025 3:59:53 PM EST |