Options Chain for CASTLE BIOSCIENCES INC COM (CSTL) - $16.80 as of 7/21/2025 7:58:57 AM 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 | 12.70 | 15.60 | 14.15 | % | 5.66 | 0 | 0 | 8.79 | 1.00 | 0.00 | 0.00 | 7/18/2025 3:59:59 PM EST | |||
| 5.00 | 10.20 | 13.10 | 11.65 | % | 2.33 | 0 | 0 | 5.14 | 1.00 | 0.00 | 0.00 | 7/18/2025 3:59:59 PM EST | |||
| 7.50 | 8.00 | 10.50 | 9.25 | % | 1.23 | 0 | 0 | 3.40 | 1.00 | 0.00 | 0.00 | 7/18/2025 3:59:59 PM EST | |||
| 10.00 | 5.50 | 8.10 | 6.80 | % | 0.68 | 0 | 0 | 2.48 | 0.99 | 0.00 | -0.01 | 7/18/2025 3:59:59 PM EST | |||
| 12.50 | 2.85 | 5.70 | 4.28 | % | 0.34 | 0 | 0 | 1.77 | 0.93 | 0.03 | -0.02 | 7/18/2025 3:59:59 PM EST | |||
| 15.00 | 0.90 | 5.00 | 2.95 | % | 0.20 | 0 | 0 | 1.21 | 0.75 | 0.09 | -0.03 | 7/18/2025 3:59:59 PM EST | |||
| 17.50 | 0.60 | 2.20 | 1.40 | 2.20 | 0.00 | 0.00% | 0.08 | 0 | 0 | 0.91 | 0.48 | 0.11 | -0.03 | 7/15/2025 | 7/18/2025 3:59:59 PM EST |
| 20.00 | 0.00 | 1.90 | 0.95 | 1.60 | 0.00 | 0.00% | 0.05 | 0 | 4 | 1.37 | 0.25 | 0.09 | -0.02 | 7/10/2025 | 7/18/2025 3:59:59 PM EST |
| 22.50 | 0.00 | 1.55 | 0.78 | 0.85 | 0.00 | 0.00% | 0.03 | 0 | 15 | 1.61 | 0.11 | 0.05 | -0.01 | 7/2/2025 | 7/18/2025 3:59:59 PM EST |
| 25.00 | 0.00 | 1.55 | 0.78 | % | 0.03 | 0 | 0 | 1.87 | 0.04 | 0.03 | -0.01 | 7/18/2025 3:59:59 PM EST | |||
| 30.00 | 0.00 | 1.55 | 0.78 | % | 0.03 | 0 | 0 | 2.27 | 0.00 | 0.00 | 0.00 | 7/18/2025 3:59:59 PM EST | |||
| 35.00 | 0.00 | 3.40 | 1.70 | % | 0.05 | 0 | 0 | 2.59 | 0.00 | 0.00 | 0.00 | 7/18/2025 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 | 9.17 | 0.00 | 0.00 | 0.00 | 7/18/2025 3:59:59 PM EST | |||
| 5.00 | 0.00 | 3.40 | 1.70 | % | 0.34 | 0 | 0 | 5.43 | 0.00 | 0.00 | 0.00 | 7/18/2025 3:59:59 PM EST | |||
| 7.50 | 0.00 | 4.80 | 2.40 | % | 0.32 | 0 | 0 | 3.80 | 0.00 | 0.00 | 0.00 | 7/18/2025 3:59:59 PM EST | |||
| 10.00 | 0.00 | 3.40 | 1.70 | % | 0.17 | 0 | 0 | 2.75 | -0.01 | 0.00 | -0.01 | 7/18/2025 3:59:59 PM EST | |||
| 12.50 | 0.00 | 3.30 | 1.65 | % | 0.13 | 0 | 0 | 1.91 | -0.07 | 0.03 | -0.02 | 7/18/2025 3:59:59 PM EST | |||
| 15.00 | 0.00 | 2.15 | 1.08 | % | 0.07 | 0 | 0 | 1.51 | -0.25 | 0.09 | -0.03 | 7/18/2025 3:59:59 PM EST | |||
| 17.50 | 0.35 | 2.80 | 1.58 | 1.09 | 0.00 | 0.00% | 0.09 | 0 | 7 | 1.35 | -0.52 | 0.11 | -0.03 | 6/25/2025 | 7/18/2025 3:59:59 PM EST |
| 20.00 | 2.35 | 6.00 | 4.18 | % | 0.21 | 0 | 0 | 1.53 | -0.75 | 0.09 | -0.02 | 7/18/2025 3:59:59 PM EST | |||
| 22.50 | 4.80 | 7.00 | 5.90 | % | 0.26 | 0 | 0 | 1.76 | -0.89 | 0.05 | -0.01 | 7/18/2025 3:59:59 PM EST | |||
| 25.00 | 7.30 | 9.10 | 8.20 | 8.16 | 0.00 | 0.00% | 0.33 | 0 | 2 | 1.57 | -0.96 | 0.03 | -0.01 | 7/18/2025 | 7/18/2025 3:59:59 PM EST |
| 30.00 | 12.30 | 15.00 | 13.65 | % | 0.46 | 0 | 0 | 2.61 | -1.00 | 0.00 | 0.00 | 7/18/2025 3:59:59 PM EST | |||
| 35.00 | 17.20 | 19.70 | 18.45 | % | 0.53 | 0 | 0 | 2.97 | -1.00 | 0.00 | 0.00 | 7/18/2025 3:59:59 PM EST |