Options Chain for QUANTUM SI INC COM CL A (QSI) - $1.53 as of 10/12/2026 3:35:39 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 | 0.70 | 1.15 | 0.93 | 1.15 | 0.00 | 0.00% | 1.86 | 0 | 290 | 0.00 | 1.00 | 0.00 | 0.00 | 10/9/2026 | 10/12/2026 3:59:50 PM EST |
| 1.00 | 0.35 | 0.40 | 0.38 | 0.37 | -0.19 | -33.93% | 0.38 | 108 | 3,222 | 2.88 | 0.90 | 0.46 | -0.01 | 10/12/2026 | 10/12/2026 3:59:50 PM EST |
| 1.50 | 0.05 | 0.15 | 0.10 | 0.09 | -0.16 | -64.00% | 0.07 | 191 | 1,694 | 2.57 | 0.43 | 1.06 | -0.02 | 10/12/2026 | 10/12/2026 3:59:50 PM EST |
| 2.00 | 0.00 | 0.05 | 0.03 | 0.05 | -0.05 | -50.00% | 0.01 | 10 | 429 | 3.55 | 0.11 | 0.49 | -0.01 | 10/12/2026 | 10/12/2026 3:59:50 PM EST |
| 2.50 | 0.00 | 0.05 | 0.03 | 0.05 | 0.00 | 0.00% | 0.01 | 0 | 1,446 | 4.75 | 0.02 | 0.13 | 0.00 | 10/9/2026 | 10/12/2026 3:59:50 PM EST |
| 3.00 | 0.00 | 0.15 | 0.08 | 0.23 | % | 0.03 | 56 | 0 | 0.00 | 0.00 | 0.03 | 0.00 | 10/12/2026 | 10/12/2026 3:59:50 PM EST | |
| 5.00 | 0.00 | 0.05 | 0.03 | 0.05 | 0.00 | 0.00% | 0.01 | 0 | 109 | 0.00 | 0.00 | 0.00 | 0.00 | 10/1/2026 | 10/12/2026 3:59:50 PM EST |
| 7.50 | 0.00 | 0.25 | 0.13 | 0.05 | 0.00 | 0.00% | 0.02 | 0 | 1 | 0.00 | 0.00 | 0.00 | 0.00 | 8/7/2026 | 10/12/2026 3:59:50 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 | 70 | 0.00 | 0.00 | 0.00 | 0.00 | 10/7/2026 | 10/12/2026 3:59:50 PM EST |
| 1.00 | 0.00 | 0.05 | 0.03 | 0.15 | +0.12 | +400.00% | 0.03 | 26 | 1,192 | 3.65 | -0.10 | 0.46 | -0.01 | 10/12/2026 | 10/12/2026 3:59:50 PM EST |
| 1.50 | 0.20 | 0.25 | 0.23 | 0.20 | -0.02 | -9.10% | 0.15 | 251 | 472 | 2.58 | -0.57 | 1.06 | -0.02 | 10/12/2026 | 10/12/2026 3:59:50 PM EST |
| 2.00 | 0.50 | 0.85 | 0.68 | 0.62 | 0.00 | 0.00% | 0.34 | 0 | 118 | 6.98 | -0.89 | 0.49 | -0.01 | 10/9/2026 | 10/12/2026 3:59:50 PM EST |
| 2.50 | 0.90 | 1.40 | 1.15 | 1.60 | 0.00 | 0.00% | 0.46 | 0 | 2 | 9.29 | -0.98 | 0.13 | 0.00 | 6/17/2026 | 10/12/2026 3:59:50 PM EST |
| 3.00 | 1.50 | 1.95 | 1.73 | 1.71 | % | 0.58 | 56 | 0 | 0.00 | -1.00 | 0.03 | 0.00 | 10/12/2026 | 10/12/2026 3:59:50 PM EST | |
| 5.00 | 3.00 | 4.00 | 3.50 | 4.10 | 0.00 | 0.00% | 0.70 | 0 | 0 | 0.00 | -1.00 | 0.00 | 0.00 | 6/26/2026 | 10/12/2026 3:59:50 PM EST |
| 7.50 | 5.60 | 6.30 | 5.95 | 5.60 | % | 0.79 | 2 | 0 | 0.00 | -1.00 | 0.00 | 0.00 | 10/12/2026 | 10/12/2026 3:59:50 PM EST |