Options Chain for CATALYST PHARMACEUTICALS INC COM (CPRX) - $20.38 as of 8/29/2025 3:14:46 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2.50 | 15.50 | 20.50 | 18.00 | % | 7.20 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 8/29/2025 3:59:48 PM EST | |||
| 5.00 | 13.00 | 18.00 | 15.50 | % | 3.10 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 8/29/2025 3:59:48 PM EST | |||
| 7.50 | 10.50 | 15.50 | 13.00 | % | 1.73 | 0 | 0 | 4.08 | 1.00 | 0.00 | 0.00 | 8/29/2025 3:59:48 PM EST | |||
| 10.00 | 9.50 | 12.60 | 11.05 | % | 1.10 | 0 | 0 | 2.80 | 1.00 | 0.00 | 0.00 | 8/29/2025 3:59:48 PM EST | |||
| 12.50 | 6.90 | 10.20 | 8.55 | % | 0.68 | 0 | 0 | 2.19 | 1.00 | 0.00 | 0.00 | 8/29/2025 3:59:48 PM EST | |||
| 15.00 | 4.50 | 8.00 | 6.25 | % | 0.42 | 0 | 0 | 1.79 | 0.99 | 0.01 | -0.01 | 8/29/2025 3:59:48 PM EST | |||
| 17.50 | 2.30 | 5.30 | 3.80 | % | 0.22 | 0 | 0 | 1.23 | 0.88 | 0.06 | -0.01 | 8/29/2025 3:59:48 PM EST | |||
| 20.00 | 0.00 | 2.10 | 1.05 | 1.60 | 0.00 | 0.00% | 0.05 | 0 | 277 | 1.49 | 0.64 | 0.12 | -0.02 | 8/28/2025 | 8/29/2025 3:59:48 PM EST |
| 22.50 | 0.50 | 0.65 | 0.58 | 0.57 | -0.03 | -5.00% | 0.03 | 1 | 115 | 0.39 | 0.34 | 0.12 | -0.01 | 8/29/2025 | 8/29/2025 3:59:48 PM EST |
| 25.00 | 0.00 | 0.35 | 0.18 | 0.15 | -0.05 | -25.00% | 0.01 | 4 | 52 | 0.50 | 0.13 | 0.07 | -0.01 | 8/29/2025 | 8/29/2025 3:59:48 PM EST |
| 30.00 | 0.00 | 4.80 | 2.40 | 0.14 | 0.00 | 0.00% | 0.08 | 0 | 1 | 2.43 | 0.01 | 0.01 | 0.00 | 8/25/2025 | 8/29/2025 3:59:48 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2.50 | 0.00 | 5.00 | 2.50 | % | 1.00 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 8/29/2025 3:59:48 PM EST | |||
| 5.00 | 0.00 | 5.00 | 2.50 | % | 0.50 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 8/29/2025 3:59:48 PM EST | |||
| 7.50 | 0.00 | 5.00 | 2.50 | % | 0.33 | 0 | 0 | 6.94 | 0.00 | 0.00 | 0.00 | 8/29/2025 3:59:48 PM EST | |||
| 10.00 | 0.00 | 1.35 | 0.68 | % | 0.07 | 0 | 0 | 2.42 | 0.00 | 0.00 | 0.00 | 8/29/2025 3:59:48 PM EST | |||
| 12.50 | 0.00 | 4.80 | 2.40 | % | 0.19 | 0 | 0 | 3.80 | 0.00 | 0.00 | 0.00 | 8/29/2025 3:59:48 PM EST | |||
| 15.00 | 0.00 | 1.20 | 0.60 | 0.20 | 0.00 | 0.00% | 0.04 | 0 | 210 | 2.17 | -0.01 | 0.01 | -0.01 | 8/26/2025 | 8/29/2025 3:59:48 PM EST |
| 17.50 | 0.25 | 0.45 | 0.35 | 0.40 | 0.00 | 0.00% | 0.02 | 0 | 558 | 0.52 | -0.12 | 0.06 | -0.01 | 8/27/2025 | 8/29/2025 3:59:48 PM EST |
| 20.00 | 0.00 | 3.30 | 1.65 | % | 0.08 | 0 | 0 | 1.80 | -0.36 | 0.12 | -0.02 | 8/29/2025 3:59:48 PM EST | |||
| 22.50 | 0.00 | 3.10 | 1.55 | % | 0.07 | 0 | 0 | 0.70 | -0.66 | 0.12 | -0.01 | 8/29/2025 3:59:48 PM EST | |||
| 25.00 | 3.30 | 5.90 | 4.60 | % | 0.18 | 0 | 0 | 1.09 | -0.87 | 0.07 | -0.01 | 8/29/2025 3:59:48 PM EST | |||
| 30.00 | 8.30 | 11.50 | 9.90 | % | 0.33 | 0 | 0 | 1.64 | -0.99 | 0.01 | 0.00 | 8/29/2025 3:59:48 PM EST |