Options Chain for KEROS THERAPEUTICS INC COM (KROS) - $21.53 as of 12/9/2025 8:46:29 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 | 17.00 | 21.50 | 19.25 | % | 7.70 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 12/9/2025 3:59:57 PM EST | |||
| 5.00 | 14.80 | 19.00 | 16.90 | 8.70 | 0.00 | 0.00% | 3.38 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 8/7/2025 | 12/9/2025 3:59:57 PM EST |
| 7.50 | 12.00 | 16.50 | 14.25 | % | 1.90 | 0 | 0 | 9.44 | 1.00 | 0.00 | 0.00 | 12/9/2025 3:59:57 PM EST | |||
| 10.00 | 9.80 | 14.00 | 11.90 | 5.10 | 0.00 | 0.00% | 1.19 | 0 | 8 | 7.20 | 1.00 | 0.00 | 0.00 | 7/23/2025 | 12/9/2025 3:59:57 PM EST |
| 12.50 | 7.00 | 11.20 | 9.10 | 2.51 | 0.00 | 0.00% | 0.73 | 0 | 12 | 5.24 | 0.98 | 0.01 | -0.02 | 10/20/2025 | 12/9/2025 3:59:57 PM EST |
| 15.00 | 4.50 | 9.00 | 6.75 | 6.00 | +2.80 | +87.50% | 0.45 | 2 | 2,437 | 4.36 | 0.93 | 0.02 | -0.05 | 12/9/2025 | 12/9/2025 3:59:57 PM EST |
| 17.50 | 2.50 | 6.00 | 4.25 | 4.50 | 0.00 | 0.00% | 0.24 | 7 | 1,240 | 2.86 | 0.83 | 0.05 | -0.07 | 12/9/2025 | 12/9/2025 3:59:57 PM EST |
| 20.00 | 0.40 | 4.90 | 2.65 | 2.60 | +0.11 | +4.42% | 0.13 | 1 | 1,016 | 3.01 | 0.67 | 0.07 | -0.10 | 12/9/2025 | 12/9/2025 3:59:57 PM EST |
| 22.50 | 0.55 | 2.55 | 1.55 | 0.75 | 0.00 | 0.00% | 0.07 | 0 | 64 | 1.34 | 0.47 | 0.08 | -0.10 | 12/4/2025 | 12/9/2025 3:59:57 PM EST |
| 25.00 | 0.00 | 4.00 | 2.00 | 0.20 | 0.00 | 0.00% | 0.08 | 0 | 1 | 3.68 | 0.30 | 0.07 | -0.09 | 12/4/2025 | 12/9/2025 3:59:57 PM EST |
| 30.00 | 0.00 | 0.90 | 0.45 | 0.10 | 0.00 | 0.00% | 0.02 | 0 | 26 | 2.20 | 0.07 | 0.03 | -0.03 | 11/26/2025 | 12/9/2025 3:59:57 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 | 12/9/2025 3:59:57 PM EST | |||
| 5.00 | 0.00 | 4.90 | 2.45 | % | 0.49 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 12/9/2025 3:59:57 PM EST | |||
| 7.50 | 0.00 | 0.20 | 0.10 | 0.20 | 0.00 | 0.00% | 0.01 | 0 | 133 | 4.05 | 0.00 | 0.00 | 0.00 | 10/23/2025 | 12/9/2025 3:59:57 PM EST |
| 10.00 | 0.00 | 0.25 | 0.13 | 0.20 | 0.00 | 0.00% | 0.01 | 0 | 5 | 3.21 | 0.00 | 0.00 | 0.00 | 11/6/2025 | 12/9/2025 3:59:57 PM EST |
| 12.50 | 0.00 | 0.10 | 0.05 | 0.22 | 0.00 | 0.00% | 0.00 | 0 | 1,035 | 1.96 | -0.02 | 0.01 | -0.02 | 11/25/2025 | 12/9/2025 3:59:57 PM EST |
| 15.00 | 0.00 | 0.30 | 0.15 | 0.05 | 0.00 | 0.00% | 0.01 | 0 | 719 | 1.82 | -0.07 | 0.02 | -0.05 | 12/5/2025 | 12/9/2025 3:59:57 PM EST |
| 17.50 | 0.00 | 2.50 | 1.25 | 0.30 | 0.00 | 0.00% | 0.07 | 0 | 231 | 3.33 | -0.17 | 0.05 | -0.07 | 12/4/2025 | 12/9/2025 3:59:57 PM EST |
| 20.00 | 0.00 | 4.90 | 2.45 | 0.70 | +0.21 | +42.86% | 0.12 | 10 | 1,399 | 4.21 | -0.33 | 0.07 | -0.10 | 12/9/2025 | 12/9/2025 3:59:57 PM EST |
| 22.50 | 0.10 | 4.90 | 2.50 | 8.10 | 0.00 | 0.00% | 0.11 | 0 | 566 | 3.07 | -0.53 | 0.08 | -0.10 | 11/6/2025 | 12/9/2025 3:59:57 PM EST |
| 25.00 | 1.80 | 6.00 | 3.90 | 8.00 | 0.00 | 0.00% | 0.16 | 0 | 21 | 2.66 | -0.70 | 0.07 | -0.09 | 11/18/2025 | 12/9/2025 3:59:57 PM EST |
| 30.00 | 6.50 | 10.90 | 8.70 | 12.60 | 0.00 | 0.00% | 0.29 | 0 | 584 | 3.45 | -0.93 | 0.03 | -0.03 | 11/21/2025 | 12/9/2025 3:59:57 PM EST |