Options Chain for CATALYST PHARMACEUTICALS INC COM (CPRX) - $19.68 as of 8/12/2025 1:05:35 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12.50 | 5.00 | 9.30 | 7.15 | % | 0.57 | 0 | 0 | 8.04 | 1.00 | 0.00 | 0.00 | 8/12/2025 11:58:56 AM EST | |||
| 15.00 | 2.70 | 6.50 | 4.60 | 5.00 | 0.00 | 0.00% | 0.31 | 0 | 1 | 5.44 | 1.00 | 0.00 | 0.00 | 8/7/2025 | 8/12/2025 11:58:56 AM EST |
| 17.50 | 2.10 | 3.10 | 2.60 | 4.00 | 0.00 | 0.00% | 0.15 | 0 | 1 | 1.61 | 1.00 | 0.00 | 0.00 | 7/18/2025 | 8/12/2025 11:58:56 AM EST |
| 20.00 | 0.30 | 0.40 | 0.35 | 0.40 | +0.15 | +60.00% | 0.02 | 3 | 165 | 0.48 | 0.48 | 0.46 | -0.05 | 8/12/2025 | 8/12/2025 11:58:56 AM EST |
| 22.50 | 0.00 | 0.05 | 0.03 | 0.03 | -0.02 | -40.00% | 0.00 | 1 | 778 | 0.86 | 0.00 | 0.01 | 0.00 | 8/12/2025 | 8/12/2025 11:58:56 AM EST |
| 25.00 | 0.00 | 0.10 | 0.05 | 0.02 | 0.00 | 0.00% | 0.00 | 3 | 866 | 1.62 | 0.00 | 0.00 | 0.00 | 8/12/2025 | 8/12/2025 11:58:56 AM EST |
| 30.00 | 0.00 | 0.05 | 0.03 | 0.05 | 0.00 | 0.00% | 0.00 | 0 | 74 | 2.25 | 0.00 | 0.00 | 0.00 | 8/6/2025 | 8/12/2025 11:58:56 AM EST |
| 35.00 | 0.00 | 1.00 | 0.50 | % | 0.01 | 0 | 0 | 5.17 | 0.00 | 0.00 | 0.00 | 8/12/2025 11:58:56 AM 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12.50 | 0.00 | 1.20 | 0.60 | % | 0.05 | 0 | 0 | 6.55 | 0.00 | 0.00 | 0.00 | 8/12/2025 11:58:56 AM EST | |||
| 15.00 | 0.00 | 0.95 | 0.48 | % | 0.03 | 0 | 0 | 4.28 | 0.00 | 0.00 | 0.00 | 8/12/2025 11:58:56 AM EST | |||
| 17.50 | 0.00 | 0.20 | 0.10 | 0.05 | 0.00 | 0.00% | 0.01 | 0 | 505 | 1.51 | 0.00 | 0.00 | 0.00 | 8/11/2025 | 8/12/2025 11:58:56 AM EST |
| 20.00 | 0.20 | 0.35 | 0.28 | 0.32 | -0.30 | -48.39% | 0.01 | 15 | 708 | 0.46 | -0.52 | 0.46 | -0.05 | 8/12/2025 | 8/12/2025 11:58:56 AM EST |
| 22.50 | 2.00 | 2.95 | 2.48 | 2.70 | 0.00 | 0.00% | 0.11 | 0 | 12 | 1.64 | -1.00 | 0.01 | 0.00 | 8/11/2025 | 8/12/2025 11:58:56 AM EST |
| 25.00 | 3.40 | 7.20 | 5.30 | 4.65 | 0.00 | 0.00% | 0.21 | 0 | 2 | 5.09 | -1.00 | 0.00 | 0.00 | 8/7/2025 | 8/12/2025 11:58:56 AM EST |
| 30.00 | 9.60 | 12.00 | 10.80 | 9.13 | 0.00 | 0.00% | 0.36 | 0 | 0 | 6.92 | -1.00 | 0.00 | 0.00 | 7/29/2025 | 8/12/2025 11:58:56 AM EST |
| 35.00 | 14.10 | 17.30 | 15.70 | 13.99 | 0.00 | 0.00% | 0.45 | 0 | 0 | 7.69 | -1.00 | 0.00 | 0.00 | 8/4/2025 | 8/12/2025 11:58:56 AM EST |