Options Chain for KEROS THERAPEUTICS INC COM (KROS) - $21.69 as of 12/8/2025 3:43:20 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 | 17.50 | 21.50 | 19.50 | 12.60 | 0.00 | 0.00% | 7.80 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 6/6/2025 | 12/8/2025 3:59:55 PM EST |
| 5.00 | 15.00 | 19.00 | 17.00 | % | 3.40 | 0 | 0 | 7.36 | 1.00 | 0.00 | 0.00 | 12/8/2025 3:59:55 PM EST | |||
| 7.50 | 12.50 | 16.50 | 14.50 | 8.10 | 0.00 | 0.00% | 1.93 | 0 | 0 | 5.14 | 1.00 | 0.00 | 0.00 | 11/6/2025 | 12/8/2025 3:59:55 PM EST |
| 10.00 | 10.00 | 14.00 | 12.00 | 4.50 | 0.00 | 0.00% | 1.20 | 0 | 1 | 3.90 | 0.98 | 0.01 | -0.01 | 10/20/2025 | 12/8/2025 3:59:55 PM EST |
| 12.50 | 7.50 | 11.50 | 9.50 | 4.50 | 0.00 | 0.00% | 0.76 | 0 | 139 | 3.04 | 0.91 | 0.02 | -0.02 | 11/21/2025 | 12/8/2025 3:59:55 PM EST |
| 15.00 | 5.00 | 9.00 | 7.00 | 5.30 | 0.00 | 0.00% | 0.47 | 0 | 306 | 2.36 | 0.85 | 0.03 | -0.02 | 12/5/2025 | 12/8/2025 3:59:55 PM EST |
| 17.50 | 3.00 | 7.00 | 5.00 | 4.60 | +1.20 | +35.30% | 0.29 | 16 | 799 | 2.02 | 0.75 | 0.04 | -0.03 | 12/8/2025 | 12/8/2025 3:59:55 PM EST |
| 20.00 | 2.10 | 5.00 | 3.55 | 2.55 | 0.00 | 0.00% | 0.18 | 0 | 739 | 1.08 | 0.63 | 0.05 | -0.04 | 12/5/2025 | 12/8/2025 3:59:55 PM EST |
| 22.50 | 1.00 | 2.20 | 1.60 | 1.96 | +0.11 | +5.95% | 0.07 | 149 | 289 | 0.76 | 0.51 | 0.05 | -0.04 | 12/8/2025 | 12/8/2025 3:59:55 PM EST |
| 25.00 | 0.35 | 0.90 | 0.63 | 0.82 | 0.00 | 0.00% | 0.03 | 0 | 2,893 | 0.64 | 0.38 | 0.05 | -0.03 | 12/5/2025 | 12/8/2025 3:59:55 PM EST |
| 30.00 | 0.00 | 4.90 | 2.45 | % | 0.08 | 0 | 0 | 2.70 | 0.21 | 0.04 | -0.03 | 12/8/2025 3:59:55 PM EST | |||
| 35.00 | 0.00 | 4.90 | 2.45 | % | 0.07 | 0 | 0 | 3.02 | 0.11 | 0.02 | -0.02 | 12/8/2025 3:59:55 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 | 4.90 | 2.45 | % | 0.98 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 12/8/2025 3:59:55 PM EST | |||
| 5.00 | 0.00 | 4.90 | 2.45 | % | 0.49 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 12/8/2025 3:59:55 PM EST | |||
| 7.50 | 0.00 | 4.90 | 2.45 | 1.10 | 0.00 | 0.00% | 0.33 | 0 | 20 | 7.57 | 0.00 | 0.00 | 0.00 | 2/19/2025 | 12/8/2025 3:59:55 PM EST |
| 10.00 | 0.00 | 1.55 | 0.78 | 0.85 | 0.00 | 0.00% | 0.08 | 0 | 40 | 2.88 | -0.02 | 0.01 | -0.01 | 10/16/2025 | 12/8/2025 3:59:55 PM EST |
| 12.50 | 0.00 | 4.90 | 2.45 | 0.15 | 0.00 | 0.00% | 0.20 | 0 | 423 | 0.97 | -0.09 | 0.02 | -0.02 | 11/20/2025 | 12/8/2025 3:59:55 PM EST |
| 15.00 | 0.00 | 4.90 | 2.45 | 0.70 | 0.00 | 0.00% | 0.16 | 0 | 90 | 3.43 | -0.15 | 0.03 | -0.02 | 11/21/2025 | 12/8/2025 3:59:55 PM EST |
| 17.50 | 0.00 | 4.90 | 2.45 | 0.85 | 0.00 | 0.00% | 0.14 | 0 | 71 | 2.70 | -0.25 | 0.04 | -0.03 | 12/4/2025 | 12/8/2025 3:59:55 PM EST |
| 20.00 | 1.10 | 4.40 | 2.75 | 1.60 | +0.65 | +68.43% | 0.14 | 1 | 582 | 1.26 | -0.37 | 0.05 | -0.04 | 12/8/2025 | 12/8/2025 3:59:55 PM EST |
| 22.50 | 0.50 | 4.90 | 2.70 | 6.60 | 0.00 | 0.00% | 0.12 | 0 | 21 | 1.49 | -0.49 | 0.05 | -0.04 | 11/14/2025 | 12/8/2025 3:59:55 PM EST |
| 25.00 | 2.00 | 6.50 | 4.25 | % | 0.17 | 0 | 0 | 1.45 | -0.62 | 0.05 | -0.03 | 12/8/2025 3:59:55 PM EST | |||
| 30.00 | 6.50 | 10.90 | 8.70 | 12.90 | 0.00 | 0.00% | 0.29 | 0 | 572 | 1.65 | -0.79 | 0.04 | -0.03 | 11/18/2025 | 12/8/2025 3:59:55 PM EST |
| 35.00 | 11.00 | 15.90 | 13.45 | % | 0.38 | 0 | 0 | 1.97 | -0.89 | 0.02 | -0.02 | 12/8/2025 3:59:55 PM EST |