Options Chain for KEROS THERAPEUTICS INC COM (KROS) - $21.51 as of 12/15/2025 7:45:11 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 | 16.30 | 21.00 | 18.65 | % | 7.46 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 12/15/2025 3:59:47 PM EST | |||
| 5.00 | 13.80 | 18.50 | 16.15 | 8.70 | 0.00 | 0.00% | 3.23 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 8/7/2025 | 12/15/2025 3:59:47 PM EST |
| 7.50 | 11.30 | 16.00 | 13.65 | % | 1.82 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 12/15/2025 3:59:47 PM EST | |||
| 10.00 | 8.60 | 13.40 | 11.00 | 5.10 | 0.00 | 0.00% | 1.10 | 0 | 8 | 0.00 | 1.00 | 0.00 | 0.00 | 7/23/2025 | 12/15/2025 3:59:47 PM EST |
| 12.50 | 6.30 | 11.00 | 8.65 | 2.51 | 0.00 | 0.00% | 0.69 | 0 | 12 | 8.48 | 0.99 | 0.00 | -0.02 | 10/20/2025 | 12/15/2025 3:59:47 PM EST |
| 15.00 | 3.80 | 8.50 | 6.15 | 6.70 | 0.00 | 0.00% | 0.41 | 0 | 2,438 | 6.54 | 0.95 | 0.02 | -0.07 | 12/11/2025 | 12/15/2025 3:59:47 PM EST |
| 17.50 | 1.50 | 6.00 | 3.75 | 4.60 | 0.00 | 0.00% | 0.21 | 0 | 1,234 | 4.89 | 0.84 | 0.05 | -0.15 | 12/11/2025 | 12/15/2025 3:59:47 PM EST |
| 20.00 | 0.35 | 2.60 | 1.48 | 1.75 | 0.00 | 0.00% | 0.07 | 0 | 1,014 | 2.28 | 0.65 | 0.08 | -0.22 | 12/12/2025 | 12/15/2025 3:59:47 PM EST |
| 22.50 | 0.00 | 2.55 | 1.28 | 0.80 | 0.00 | 0.00% | 0.06 | 0 | 66 | 2.04 | 0.45 | 0.08 | -0.23 | 12/11/2025 | 12/15/2025 3:59:47 PM EST |
| 25.00 | 0.00 | 4.90 | 2.45 | 0.20 | 0.00 | 0.00% | 0.10 | 0 | 1 | 7.06 | 0.27 | 0.07 | -0.19 | 12/4/2025 | 12/15/2025 3:59:47 PM EST |
| 30.00 | 0.00 | 0.90 | 0.45 | 0.10 | 0.00 | 0.00% | 0.02 | 0 | 26 | 3.60 | 0.07 | 0.03 | -0.08 | 11/26/2025 | 12/15/2025 3:59:47 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 | 0.10 | 0.05 | % | 0.02 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 12/15/2025 3:59:47 PM EST | |||
| 5.00 | 0.00 | 4.90 | 2.45 | % | 0.49 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 12/15/2025 3:59:47 PM EST | |||
| 7.50 | 0.00 | 0.20 | 0.10 | 0.20 | 0.00 | 0.00% | 0.01 | 0 | 133 | 0.00 | 0.00 | 0.00 | 0.00 | 10/23/2025 | 12/15/2025 3:59:47 PM EST |
| 10.00 | 0.00 | 0.05 | 0.03 | 0.20 | 0.00 | 0.00% | 0.00 | 0 | 5 | 3.64 | 0.00 | 0.00 | 0.00 | 11/6/2025 | 12/15/2025 3:59:47 PM EST |
| 12.50 | 0.00 | 0.25 | 0.13 | 0.22 | 0.00 | 0.00% | 0.01 | 0 | 1,035 | 3.70 | -0.01 | 0.00 | -0.02 | 11/25/2025 | 12/15/2025 3:59:47 PM EST |
| 15.00 | 0.00 | 1.20 | 0.60 | 0.05 | 0.00 | 0.00% | 0.04 | 0 | 719 | 2.78 | -0.05 | 0.02 | -0.07 | 12/5/2025 | 12/15/2025 3:59:47 PM EST |
| 17.50 | 0.00 | 4.10 | 2.05 | 0.30 | 0.00 | 0.00% | 0.12 | 0 | 231 | 7.31 | -0.16 | 0.05 | -0.15 | 12/4/2025 | 12/15/2025 3:59:47 PM EST |
| 20.00 | 0.00 | 1.00 | 0.50 | 0.19 | 0.00 | 0.00% | 0.03 | 0 | 1,386 | 1.76 | -0.35 | 0.08 | -0.22 | 12/11/2025 | 12/15/2025 3:59:47 PM EST |
| 22.50 | 0.60 | 4.90 | 2.75 | 8.10 | 0.00 | 0.00% | 0.12 | 0 | 566 | 4.65 | -0.55 | 0.08 | -0.23 | 11/6/2025 | 12/15/2025 3:59:47 PM EST |
| 25.00 | 1.55 | 6.40 | 3.98 | 8.00 | 0.00 | 0.00% | 0.16 | 0 | 21 | 4.41 | -0.73 | 0.07 | -0.19 | 11/18/2025 | 12/15/2025 3:59:47 PM EST |
| 30.00 | 6.50 | 11.30 | 8.90 | 8.52 | 0.00 | 0.00% | 0.30 | 0 | 423 | 5.62 | -0.93 | 0.03 | -0.08 | 12/11/2025 | 12/15/2025 3:59:47 PM EST |