Options Chain for NKARTA INC COM (NKTX) - $2.06 as of 1/20/2026 6:22:46 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.50 | 1.10 | 1.85 | 1.48 | 1.32 | 0.00 | 0.00% | 2.96 | 0 | 10 | 9.68 | 1.00 | 0.00 | 0.00 | 12/11/2025 | 1/20/2026 3:59:45 PM EST |
| 1.00 | 0.60 | 1.35 | 0.98 | 1.00 | 0.00 | 0.00% | 0.98 | 0 | 4 | 4.90 | 1.00 | 0.00 | 0.00 | 11/24/2025 | 1/20/2026 3:59:45 PM EST |
| 1.50 | 0.40 | 0.80 | 0.60 | 0.60 | 0.00 | 0.00% | 0.40 | 0 | 561 | 2.66 | 0.88 | 0.45 | 0.00 | 1/9/2026 | 1/20/2026 3:59:45 PM EST |
| 2.00 | 0.05 | 0.35 | 0.20 | 0.30 | 0.00 | 0.00% | 0.10 | 0 | 510 | 0.87 | 0.55 | 0.79 | 0.00 | 1/12/2026 | 1/20/2026 3:59:45 PM EST |
| 2.50 | 0.00 | 0.10 | 0.05 | 0.05 | -0.05 | -50.00% | 0.02 | 1 | 1,793 | 0.97 | 0.26 | 0.54 | 0.00 | 1/20/2026 | 1/20/2026 3:59:45 PM EST |
| 5.00 | 0.00 | 0.05 | 0.03 | 0.03 | 0.00 | 0.00% | 0.01 | 0 | 1,132 | 2.08 | 0.01 | 0.02 | 0.00 | 11/19/2025 | 1/20/2026 3:59:45 PM EST |
| 7.50 | 0.00 | 0.75 | 0.38 | 0.10 | 0.00 | 0.00% | 0.05 | 0 | 10 | 6.25 | 0.00 | 0.00 | 0.00 | 8/21/2025 | 1/20/2026 3:59:45 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.50 | 0.00 | 0.05 | 0.03 | % | 0.06 | 0 | 0 | 3.78 | 0.00 | 0.00 | 0.00 | 1/20/2026 3:59:45 PM EST | |||
| 1.00 | 0.00 | 0.10 | 0.05 | % | 0.05 | 0 | 0 | 2.57 | 0.00 | 0.00 | 0.00 | 1/20/2026 3:59:45 PM EST | |||
| 1.50 | 0.00 | 0.10 | 0.05 | 0.15 | 0.00 | 0.00% | 0.03 | 0 | 86 | 1.37 | -0.12 | 0.45 | 0.00 | 11/20/2025 | 1/20/2026 3:59:45 PM EST |
| 2.00 | 0.05 | 0.40 | 0.23 | 0.10 | -0.05 | -33.34% | 0.12 | 1 | 503 | 0.93 | -0.45 | 0.79 | 0.00 | 1/20/2026 | 1/20/2026 3:59:45 PM EST |
| 2.50 | 0.20 | 0.95 | 0.58 | 0.70 | 0.00 | 0.00% | 0.23 | 0 | 100 | 2.59 | -0.74 | 0.54 | 0.00 | 12/30/2025 | 1/20/2026 3:59:45 PM EST |
| 5.00 | 2.40 | 3.60 | 3.00 | % | 0.60 | 0 | 0 | 0.00 | -0.99 | 0.02 | 0.00 | 1/20/2026 3:59:45 PM EST | |||
| 7.50 | 4.90 | 6.10 | 5.50 | % | 0.73 | 0 | 0 | 5.54 | -1.00 | 0.00 | 0.00 | 1/20/2026 3:59:45 PM EST |