Options Chain for CATALYST PHARMACEUTICALS INC COM (CPRX) - $21.25 as of 10/20/2025 7:24:18 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 | 16.60 | 20.60 | 18.60 | % | 7.44 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 10/20/2025 3:59:59 PM EST | |||
| 5.00 | 13.90 | 18.10 | 16.00 | % | 3.20 | 0 | 0 | 6.97 | 1.00 | 0.00 | 0.00 | 10/20/2025 3:59:59 PM EST | |||
| 7.50 | 11.00 | 16.00 | 13.50 | % | 1.80 | 0 | 0 | 5.42 | 1.00 | 0.00 | 0.00 | 10/20/2025 3:59:59 PM EST | |||
| 10.00 | 8.70 | 13.10 | 10.90 | % | 1.09 | 0 | 0 | 3.77 | 1.00 | 0.00 | 0.00 | 10/20/2025 3:59:59 PM EST | |||
| 12.50 | 6.00 | 10.30 | 8.15 | % | 0.65 | 0 | 0 | 2.71 | 1.00 | 0.00 | 0.00 | 10/20/2025 3:59:59 PM EST | |||
| 15.00 | 5.70 | 6.40 | 6.05 | 6.00 | +0.50 | +9.10% | 0.40 | 5 | 14 | 1.17 | 0.97 | 0.02 | 0.00 | 10/20/2025 | 10/20/2025 3:59:59 PM EST |
| 17.50 | 3.30 | 5.70 | 4.50 | % | 0.26 | 0 | 0 | 1.70 | 0.85 | 0.06 | -0.01 | 10/20/2025 3:59:59 PM EST | |||
| 20.00 | 1.65 | 3.00 | 2.33 | 1.95 | +0.05 | +2.64% | 0.12 | 4 | 114 | 0.76 | 0.63 | 0.10 | -0.02 | 10/20/2025 | 10/20/2025 3:59:59 PM EST |
| 22.50 | 0.65 | 1.30 | 0.98 | 1.00 | +0.30 | +42.86% | 0.04 | 97 | 977 | 0.60 | 0.38 | 0.10 | -0.02 | 10/20/2025 | 10/20/2025 3:59:59 PM EST |
| 25.00 | 0.00 | 0.55 | 0.28 | 0.37 | +0.17 | +85.00% | 0.01 | 220 | 88 | 0.73 | 0.18 | 0.07 | -0.02 | 10/20/2025 | 10/20/2025 3:59:59 PM EST |
| 30.00 | 0.00 | 0.10 | 0.05 | 0.12 | 0.00 | 0.00% | 0.00 | 0 | 7 | 0.73 | 0.03 | 0.02 | 0.00 | 10/1/2025 | 10/20/2025 3:59:59 PM EST |
| 35.00 | 0.00 | 4.80 | 2.40 | % | 0.07 | 0 | 0 | 3.35 | 0.00 | 0.00 | 0.00 | 10/20/2025 3:59:59 PM EST | |||
| 40.00 | 0.00 | 4.80 | 2.40 | % | 0.06 | 0 | 0 | 3.64 | 0.00 | 0.00 | 0.00 | 10/20/2025 3:59:59 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 | 4.80 | 2.40 | % | 0.96 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 10/20/2025 3:59:59 PM EST | |||
| 5.00 | 0.00 | 4.10 | 2.05 | % | 0.41 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 10/20/2025 3:59:59 PM EST | |||
| 7.50 | 0.00 | 4.80 | 2.40 | % | 0.32 | 0 | 0 | 8.17 | 0.00 | 0.00 | 0.00 | 10/20/2025 3:59:59 PM EST | |||
| 10.00 | 0.00 | 1.10 | 0.55 | % | 0.06 | 0 | 0 | 1.82 | 0.00 | 0.00 | 0.00 | 10/20/2025 3:59:59 PM EST | |||
| 12.50 | 0.00 | 0.15 | 0.08 | % | 0.01 | 0 | 0 | 1.14 | 0.00 | 0.00 | 0.00 | 10/20/2025 3:59:59 PM EST | |||
| 15.00 | 0.05 | 0.15 | 0.10 | 0.18 | 0.00 | 0.00% | 0.01 | 0 | 67 | 0.72 | -0.03 | 0.02 | 0.00 | 10/17/2025 | 10/20/2025 3:59:59 PM EST |
| 17.50 | 0.00 | 0.60 | 0.30 | 0.42 | -0.03 | -6.67% | 0.02 | 6 | 22 | 0.60 | -0.15 | 0.06 | -0.01 | 10/20/2025 | 10/20/2025 3:59:59 PM EST |
| 20.00 | 0.00 | 1.10 | 0.55 | 1.05 | -0.20 | -16.00% | 0.03 | 24 | 152 | 0.39 | -0.37 | 0.10 | -0.02 | 10/20/2025 | 10/20/2025 3:59:59 PM EST |
| 22.50 | 2.20 | 3.40 | 2.80 | 2.50 | -1.10 | -30.56% | 0.12 | 2 | 129 | 0.74 | -0.62 | 0.10 | -0.02 | 10/20/2025 | 10/20/2025 3:59:59 PM EST |
| 25.00 | 2.50 | 5.20 | 3.85 | 5.85 | 0.00 | 0.00% | 0.15 | 0 | 2 | 0.98 | -0.82 | 0.07 | -0.02 | 9/29/2025 | 10/20/2025 3:59:59 PM EST |
| 30.00 | 7.60 | 11.40 | 9.50 | 7.60 | 0.00 | 0.00% | 0.32 | 0 | 2 | 1.95 | -0.97 | 0.02 | 0.00 | 10/1/2025 | 10/20/2025 3:59:59 PM EST |
| 35.00 | 13.30 | 16.50 | 14.90 | 14.00 | 0.00 | 0.00% | 0.43 | 0 | 3 | 2.34 | -1.00 | 0.00 | 0.00 | 10/8/2025 | 10/20/2025 3:59:59 PM EST |
| 40.00 | 16.60 | 21.50 | 19.05 | % | 0.48 | 0 | 0 | 2.62 | -1.00 | 0.00 | 0.00 | 10/20/2025 3:59:59 PM EST |