Options Chain for KEROS THERAPEUTICS INC COM (KROS) - $21.36 as of 12/26/2025 3:11:26 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 | 6.50 | 11.00 | 8.75 | % | 0.70 | 0 | 0 | 2.08 | 0.95 | 0.01 | -0.02 | 12/26/2025 3:59:51 PM EST | |||
| 15.00 | 4.10 | 8.90 | 6.50 | % | 0.43 | 0 | 0 | 1.74 | 0.88 | 0.02 | -0.03 | 12/26/2025 3:59:51 PM EST | |||
| 17.50 | 2.30 | 6.50 | 4.40 | % | 0.25 | 0 | 0 | 1.30 | 0.80 | 0.03 | -0.03 | 12/26/2025 3:59:51 PM EST | |||
| 20.00 | 0.80 | 4.90 | 2.85 | % | 0.14 | 0 | 0 | 1.19 | 0.69 | 0.04 | -0.04 | 12/26/2025 3:59:51 PM EST | |||
| 22.50 | 0.30 | 4.90 | 2.60 | % | 0.12 | 0 | 0 | 0.82 | 0.57 | 0.05 | -0.04 | 12/26/2025 3:59:51 PM EST | |||
| 25.00 | 0.10 | 4.90 | 2.50 | 1.00 | 0.00 | 0.00% | 0.10 | 0 | 3 | 1.00 | 0.45 | 0.05 | -0.04 | 12/23/2025 | 12/26/2025 3:59:51 PM EST |
| 30.00 | 0.00 | 4.90 | 2.45 | % | 0.08 | 0 | 0 | 2.15 | 0.27 | 0.04 | -0.03 | 12/26/2025 3:59:51 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 | 4.90 | 2.45 | % | 0.20 | 0 | 0 | 3.81 | -0.05 | 0.01 | -0.02 | 12/26/2025 3:59:51 PM EST | |||
| 15.00 | 0.00 | 4.90 | 2.45 | % | 0.16 | 0 | 0 | 3.05 | -0.12 | 0.02 | -0.03 | 12/26/2025 3:59:51 PM EST | |||
| 17.50 | 0.00 | 4.90 | 2.45 | % | 0.14 | 0 | 0 | 2.44 | -0.20 | 0.03 | -0.03 | 12/26/2025 3:59:51 PM EST | |||
| 20.00 | 0.10 | 4.90 | 2.50 | % | 0.12 | 0 | 0 | 1.06 | -0.31 | 0.04 | -0.04 | 12/26/2025 3:59:51 PM EST | |||
| 22.50 | 0.50 | 4.90 | 2.70 | % | 0.12 | 0 | 0 | 1.43 | -0.43 | 0.05 | -0.04 | 12/26/2025 3:59:51 PM EST | |||
| 25.00 | 2.50 | 7.00 | 4.75 | % | 0.19 | 0 | 0 | 1.58 | -0.55 | 0.05 | -0.04 | 12/26/2025 3:59:51 PM EST | |||
| 30.00 | 6.80 | 11.50 | 9.15 | % | 0.30 | 0 | 0 | 1.84 | -0.73 | 0.04 | -0.03 | 12/26/2025 3:59:51 PM EST |