Options Chain for CATALYST PHARMACEUTICALS INC COM (CPRX) - $21.45 as of 7/18/2025 4:04:54 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 | 7.80 | 11.00 | 9.40 | % | 0.75 | 0 | 0 | 3.20 | 1.00 | 0.00 | 0.00 | 7/18/2025 3:59:58 PM EST | |||
| 15.00 | 5.30 | 8.50 | 6.90 | 6.80 | 0.00 | 0.00% | 0.46 | 0 | 1 | 2.45 | 0.99 | 0.01 | -0.01 | 7/11/2025 | 7/18/2025 3:59:58 PM EST |
| 17.50 | 2.90 | 3.90 | 3.40 | 4.00 | +0.50 | +14.29% | 0.19 | 2 | 3 | 1.87 | 0.92 | 0.05 | -0.02 | 7/18/2025 | 7/18/2025 3:59:58 PM EST |
| 20.00 | 0.00 | 4.50 | 2.25 | 2.30 | 0.00 | 0.00% | 0.11 | 0 | 15 | 1.77 | 0.69 | 0.11 | -0.03 | 7/16/2025 | 7/18/2025 3:59:58 PM EST |
| 22.50 | 0.55 | 0.70 | 0.63 | 0.55 | -0.25 | -31.25% | 0.03 | 15 | 154 | 0.46 | 0.38 | 0.12 | -0.02 | 7/18/2025 | 7/18/2025 3:59:58 PM EST |
| 25.00 | 0.00 | 0.25 | 0.13 | 0.15 | -0.11 | -42.31% | 0.01 | 5 | 134 | 0.44 | 0.16 | 0.08 | -0.01 | 7/18/2025 | 7/18/2025 3:59:58 PM EST |
| 30.00 | 0.00 | 0.75 | 0.38 | 0.05 | 0.00 | 0.00% | 0.01 | 0 | 1 | 0.74 | 0.01 | 0.01 | 0.00 | 7/15/2025 | 7/18/2025 3:59:58 PM EST |
| 35.00 | 0.00 | 1.15 | 0.58 | % | 0.02 | 0 | 0 | 1.58 | 0.00 | 0.00 | 0.00 | 7/18/2025 3:59:58 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12.50 | 0.00 | 4.80 | 2.40 | % | 0.19 | 0 | 0 | 1.97 | 0.00 | 0.00 | 0.00 | 7/18/2025 3:59:58 PM EST | |||
| 15.00 | 0.00 | 0.95 | 0.48 | % | 0.03 | 0 | 0 | 1.46 | -0.01 | 0.01 | -0.01 | 7/18/2025 3:59:58 PM EST | |||
| 17.50 | 0.10 | 0.50 | 0.30 | 0.14 | 0.00 | 0.00% | 0.02 | 0 | 14 | 0.68 | -0.08 | 0.05 | -0.02 | 7/17/2025 | 7/18/2025 3:59:58 PM EST |
| 20.00 | 0.30 | 0.75 | 0.53 | 0.68 | +0.08 | +13.34% | 0.03 | 9 | 124 | 0.46 | -0.31 | 0.11 | -0.03 | 7/18/2025 | 7/18/2025 3:59:58 PM EST |
| 22.50 | 0.75 | 4.40 | 2.58 | 2.00 | 0.00 | 0.00% | 0.11 | 0 | 10 | 0.81 | -0.62 | 0.12 | -0.02 | 7/1/2025 | 7/18/2025 3:59:58 PM EST |
| 25.00 | 3.00 | 5.10 | 4.05 | 3.72 | 0.00 | 0.00% | 0.16 | 0 | 6 | 1.05 | -0.84 | 0.08 | -0.01 | 7/17/2025 | 7/18/2025 3:59:58 PM EST |
| 30.00 | 7.90 | 10.80 | 9.35 | % | 0.31 | 0 | 0 | 1.78 | -0.99 | 0.01 | 0.00 | 7/18/2025 3:59:58 PM EST | |||
| 35.00 | 12.90 | 15.90 | 14.40 | % | 0.41 | 0 | 0 | 2.40 | -1.00 | 0.00 | 0.00 | 7/18/2025 3:59:58 PM EST |