Options Chain for CATALYST PHARMACEUTICALS INC COM (CPRX) - $27.75 as of 4/24/2026 6:20:30 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 10.00 | 15.50 | 19.60 | 17.55 | 14.50 | 0.00 | 0.00% | 1.76 | 0 | 1 | 3.21 | 1.00 | 0.00 | 0.00 | 3/26/2026 | 4/24/2026 3:59:08 PM EST |
| 12.50 | 13.40 | 16.10 | 14.75 | % | 1.18 | 0 | 0 | 1.99 | 0.99 | 0.00 | -0.01 | 4/24/2026 3:59:08 PM EST | |||
| 15.00 | 10.70 | 14.70 | 12.70 | 11.50 | 0.00 | 0.00% | 0.85 | 0 | 28 | 2.14 | 0.97 | 0.01 | -0.01 | 4/14/2026 | 4/24/2026 3:59:08 PM EST |
| 17.50 | 8.60 | 11.90 | 10.25 | 7.90 | 0.00 | 0.00% | 0.59 | 0 | 27 | 1.61 | 0.95 | 0.01 | -0.01 | 4/6/2026 | 4/24/2026 3:59:08 PM EST |
| 20.00 | 6.70 | 9.10 | 7.90 | 5.30 | 0.00 | 0.00% | 0.40 | 0 | 121 | 1.17 | 0.88 | 0.02 | -0.02 | 4/6/2026 | 4/24/2026 3:59:08 PM EST |
| 22.50 | 5.50 | 7.20 | 6.35 | 5.70 | -0.10 | -1.73% | 0.28 | 200 | 326 | 0.75 | 0.80 | 0.03 | -0.03 | 4/24/2026 | 4/24/2026 3:59:08 PM EST |
| 25.00 | 3.60 | 4.30 | 3.95 | 3.80 | +0.50 | +15.16% | 0.16 | 3 | 519 | 0.56 | 0.70 | 0.05 | -0.03 | 4/24/2026 | 4/24/2026 3:59:08 PM EST |
| 30.00 | 1.15 | 2.40 | 1.78 | 1.35 | +0.05 | +3.85% | 0.06 | 21 | 705 | 0.61 | 0.43 | 0.06 | -0.03 | 4/24/2026 | 4/24/2026 3:59:08 PM EST |
| 35.00 | 0.25 | 2.15 | 1.20 | 0.20 | 0.00 | 0.00% | 0.03 | 0 | 60 | 0.74 | 0.17 | 0.04 | -0.02 | 4/23/2026 | 4/24/2026 3:59:08 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 10.00 | 0.00 | 1.95 | 0.98 | % | 0.10 | 0 | 1 | 3.10 | 0.00 | 0.00 | 0.00 | 4/24/2026 3:59:08 PM EST | |||
| 12.50 | 0.00 | 1.55 | 0.78 | % | 0.06 | 0 | 1 | 2.30 | -0.01 | 0.00 | -0.01 | 4/24/2026 3:59:08 PM EST | |||
| 15.00 | 0.00 | 0.30 | 0.15 | 0.20 | 0.00 | 0.00% | 0.01 | 0 | 14 | 1.12 | -0.03 | 0.01 | -0.01 | 4/21/2026 | 4/24/2026 3:59:08 PM EST |
| 17.50 | 0.00 | 1.15 | 0.58 | 0.42 | 0.00 | 0.00% | 0.03 | 0 | 23 | 1.35 | -0.05 | 0.01 | -0.01 | 4/14/2026 | 4/24/2026 3:59:08 PM EST |
| 20.00 | 0.25 | 1.00 | 0.63 | 0.40 | 0.00 | 0.00% | 0.03 | 0 | 1,284 | 0.83 | -0.12 | 0.02 | -0.02 | 4/23/2026 | 4/24/2026 3:59:08 PM EST |
| 22.50 | 0.30 | 1.50 | 0.90 | 0.69 | -0.12 | -14.82% | 0.04 | 1 | 1,058 | 0.71 | -0.20 | 0.03 | -0.03 | 4/24/2026 | 4/24/2026 3:59:08 PM EST |
| 25.00 | 0.90 | 2.80 | 1.85 | 1.65 | 0.00 | 0.00% | 0.07 | 0 | 106 | 0.75 | -0.30 | 0.05 | -0.03 | 4/23/2026 | 4/24/2026 3:59:08 PM EST |
| 30.00 | 3.00 | 4.90 | 3.95 | 4.46 | 0.00 | 0.00% | 0.13 | 0 | 5 | 0.61 | -0.57 | 0.06 | -0.03 | 4/20/2026 | 4/24/2026 3:59:08 PM EST |
| 35.00 | 6.70 | 9.10 | 7.90 | % | 0.23 | 0 | 0 | 0.98 | -0.83 | 0.04 | -0.02 | 4/24/2026 3:59:08 PM EST |