Options Chain for QUANTUM SI INC COM CL A (QSI) - $1.19 as of 5/29/2026 4:52:09 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 | 0.35 | 1.10 | 0.73 | 0.72 | 0.00 | 0.00% | 1.46 | 0 | 7 | 0.00 | 1.00 | 0.00 | 0.00 | 5/28/2026 | 5/29/2026 2:58:31 PM EST |
| 1.00 | 0.15 | 0.25 | 0.20 | 0.20 | -0.04 | -16.67% | 0.20 | 34 | 1,439 | 2.77 | 0.76 | 1.11 | -0.01 | 5/29/2026 | 5/29/2026 2:58:31 PM EST |
| 1.50 | 0.00 | 0.05 | 0.03 | 0.04 | -0.01 | -20.00% | 0.02 | 1 | 206 | 2.35 | 0.17 | 0.89 | -0.01 | 5/29/2026 | 5/29/2026 2:58:31 PM EST |
| 2.00 | 0.00 | 0.25 | 0.13 | 0.03 | 0.00 | 0.00% | 0.07 | 0 | 7 | 7.06 | 0.02 | 0.14 | 0.00 | 5/12/2026 | 5/29/2026 2:58:31 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 | 0.03 | 0.00 | 0.00% | 0.06 | 0 | 2 | 6.01 | 0.00 | 0.00 | 0.00 | 5/8/2026 | 5/29/2026 2:58:31 PM EST |
| 1.00 | 0.00 | 0.10 | 0.05 | 0.15 | 0.00 | 0.00% | 0.05 | 0 | 5 | 2.78 | -0.24 | 1.11 | -0.01 | 5/28/2026 | 5/29/2026 2:58:31 PM EST |
| 1.50 | 0.00 | 0.75 | 0.38 | % | 0.25 | 0 | 0 | 8.04 | -0.83 | 0.89 | -0.01 | 5/29/2026 2:58:31 PM EST | |||
| 2.00 | 0.45 | 1.15 | 0.80 | % | 0.40 | 0 | 0 | 7.87 | -0.98 | 0.14 | 0.00 | 5/29/2026 2:58:31 PM EST |