Options Chain for CATALYST PHARMACEUTICALS INC COM (CPRX) - $28.13 as of 5/1/2026 1:49:02 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 | 14.20 | 18.10 | 16.15 | % | 1.29 | 0 | 0 | 5.28 | 1.00 | 0.00 | 0.00 | 5/1/2026 3:59:59 PM EST | |||
| 15.00 | 11.70 | 14.60 | 13.15 | 13.60 | 0.00 | 0.00% | 0.88 | 0 | 30 | 3.37 | 1.00 | 0.00 | 0.00 | 4/27/2026 | 5/1/2026 3:59:59 PM EST |
| 17.50 | 9.40 | 12.70 | 11.05 | 10.00 | 0.00 | 0.00% | 0.63 | 0 | 1 | 3.26 | 1.00 | 0.00 | 0.00 | 4/23/2026 | 5/1/2026 3:59:59 PM EST |
| 20.00 | 8.10 | 9.60 | 8.85 | 9.50 | 0.00 | 0.00% | 0.44 | 0 | 26 | 2.19 | 1.00 | 0.00 | 0.00 | 4/27/2026 | 5/1/2026 3:59:59 PM EST |
| 22.50 | 4.60 | 6.50 | 5.55 | 4.04 | 0.00 | 0.00% | 0.25 | 0 | 4 | 1.24 | 1.00 | 0.00 | 0.00 | 4/14/2026 | 5/1/2026 3:59:59 PM EST |
| 25.00 | 2.70 | 4.90 | 3.80 | 4.00 | +0.50 | +14.29% | 0.15 | 12 | 1,059 | 1.39 | 0.89 | 0.08 | -0.01 | 5/1/2026 | 5/1/2026 3:59:59 PM EST |
| 30.00 | 0.05 | 1.70 | 0.88 | 1.00 | +0.23 | +29.87% | 0.03 | 23 | 5,611 | 0.65 | 0.35 | 0.10 | -0.04 | 5/1/2026 | 5/1/2026 3:59:59 PM EST |
| 35.00 | 0.10 | 0.30 | 0.20 | 0.20 | +0.05 | +33.34% | 0.01 | 15 | 167 | 0.79 | 0.05 | 0.03 | -0.01 | 5/1/2026 | 5/1/2026 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12.50 | 0.00 | 0.75 | 0.38 | 0.08 | 0.00 | 0.00% | 0.03 | 0 | 2 | 3.57 | 0.00 | 0.00 | 0.00 | 4/29/2026 | 5/1/2026 3:59:59 PM EST |
| 15.00 | 0.00 | 0.10 | 0.05 | 0.05 | 0.00 | 0.00% | 0.00 | 0 | 6 | 1.80 | 0.00 | 0.00 | 0.00 | 4/27/2026 | 5/1/2026 3:59:59 PM EST |
| 17.50 | 0.00 | 1.15 | 0.58 | % | 0.03 | 0 | 0 | 2.71 | 0.00 | 0.00 | 0.00 | 5/1/2026 3:59:59 PM EST | |||
| 20.00 | 0.00 | 1.15 | 0.58 | 0.20 | 0.00 | 0.00% | 0.03 | 0 | 1 | 2.16 | 0.00 | 0.00 | 0.00 | 4/6/2026 | 5/1/2026 3:59:59 PM EST |
| 22.50 | 0.00 | 0.60 | 0.30 | 0.12 | 0.00 | 0.00% | 0.01 | 0 | 220 | 1.27 | 0.00 | 0.00 | 0.00 | 4/28/2026 | 5/1/2026 3:59:59 PM EST |
| 25.00 | 0.15 | 0.60 | 0.38 | 0.25 | -0.05 | -16.67% | 0.02 | 1 | 441 | 0.69 | -0.11 | 0.08 | -0.01 | 5/1/2026 | 5/1/2026 3:59:59 PM EST |
| 30.00 | 1.80 | 3.40 | 2.60 | 4.70 | 0.00 | 0.00% | 0.09 | 0 | 277 | 0.66 | -0.65 | 0.10 | -0.04 | 4/30/2026 | 5/1/2026 3:59:59 PM EST |
| 35.00 | 6.10 | 7.60 | 6.85 | % | 0.20 | 0 | 0 | 1.30 | -0.95 | 0.03 | -0.01 | 5/1/2026 3:59:59 PM EST |