Options Chain for QUANTUM SI INC COM CL A (QSI) - $1.35 as of 11/25/2025 9:00:43 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 | 0.50 | 1.50 | 1.00 | 0.75 | 0.00 | 0.00% | 2.00 | 0 | 4 | 0.00 | 1.00 | 0.00 | 0.00 | 11/21/2025 | 11/25/2025 4:00:01 PM EST |
| 1.00 | 0.25 | 0.60 | 0.43 | 0.40 | +0.03 | +8.11% | 0.43 | 6 | 232 | 9.80 | 1.00 | 0.00 | 0.00 | 11/25/2025 | 11/25/2025 4:00:01 PM EST |
| 1.50 | 0.00 | 0.05 | 0.03 | 0.04 | +0.01 | +33.34% | 0.02 | 19 | 244 | 2.11 | 0.12 | 1.72 | 0.00 | 11/25/2025 | 11/25/2025 4:00:01 PM EST |
| 2.00 | 0.00 | 0.05 | 0.03 | 0.02 | 0.00 | 0.00% | 0.01 | 0 | 684 | 4.24 | 0.00 | 0.00 | 0.00 | 11/24/2025 | 11/25/2025 4:00:01 PM EST |
| 2.50 | 0.00 | 0.05 | 0.03 | 0.03 | 0.00 | 0.00% | 0.01 | 0 | 664 | 5.61 | 0.00 | 0.00 | 0.00 | 11/18/2025 | 11/25/2025 4:00:01 PM EST |
| 3.00 | 0.00 | 0.05 | 0.03 | 0.03 | 0.00 | 0.00% | 0.01 | 0 | 2,294 | 0.00 | 0.00 | 0.00 | 0.00 | 11/19/2025 | 11/25/2025 4:00:01 PM EST |
| 3.50 | 0.00 | 0.05 | 0.03 | 0.05 | 0.00 | 0.00% | 0.01 | 0 | 557 | 0.00 | 0.00 | 0.00 | 0.00 | 11/18/2025 | 11/25/2025 4:00:01 PM EST |
| 4.50 | 0.00 | 0.15 | 0.08 | 0.05 | 0.00 | 0.00% | 0.02 | 1 | 12 | 0.00 | 0.00 | 0.00 | 0.00 | 11/25/2025 | 11/25/2025 4:00:01 PM EST |
| 5.00 | 0.00 | 0.15 | 0.08 | 0.05 | 0.00 | 0.00% | 0.02 | 0 | 60 | 0.00 | 0.00 | 0.00 | 0.00 | 11/24/2025 | 11/25/2025 4:00:01 PM EST |
| 5.50 | 0.00 | 0.05 | 0.03 | 0.10 | 0.00 | 0.00% | 0.01 | 0 | 1 | 0.00 | 0.00 | 0.00 | 0.00 | 11/10/2025 | 11/25/2025 4:00:01 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 | 8 | 0.00 | 0.00 | 0.00 | 0.00 | 10/17/2025 | 11/25/2025 4:00:01 PM EST |
| 1.00 | 0.00 | 0.05 | 0.03 | 0.05 | 0.00 | 0.00% | 0.03 | 0 | 116 | 4.08 | 0.00 | 0.00 | 0.00 | 11/21/2025 | 11/25/2025 4:00:01 PM EST |
| 1.50 | 0.05 | 0.20 | 0.13 | 0.15 | -0.07 | -31.82% | 0.09 | 17 | 338 | 2.12 | -0.88 | 1.72 | 0.00 | 11/25/2025 | 11/25/2025 4:00:01 PM EST |
| 2.00 | 0.55 | 1.55 | 1.05 | 0.70 | 0.00 | 0.00% | 0.53 | 3 | 188 | 0.00 | -1.00 | 0.00 | 0.00 | 11/25/2025 | 11/25/2025 4:00:01 PM EST |
| 2.50 | 1.00 | 2.00 | 1.50 | 1.20 | -0.09 | -6.98% | 0.60 | 1 | 22 | 0.00 | -1.00 | 0.00 | 0.00 | 11/25/2025 | 11/25/2025 4:00:01 PM EST |
| 3.00 | 1.30 | 2.00 | 1.65 | 1.67 | 0.00 | 0.00% | 0.55 | 0 | 2 | 0.00 | -1.00 | 0.00 | 0.00 | 11/14/2025 | 11/25/2025 4:00:01 PM EST |
| 3.50 | 1.80 | 2.50 | 2.15 | 2.25 | 0.00 | 0.00% | 0.61 | 0 | 8 | 0.00 | -1.00 | 0.00 | 0.00 | 11/21/2025 | 11/25/2025 4:00:01 PM EST |
| 4.50 | 2.70 | 3.70 | 3.20 | % | 0.71 | 0 | 0 | 0.00 | -1.00 | 0.00 | 0.00 | 11/25/2025 4:00:01 PM EST | |||
| 5.00 | 3.20 | 4.20 | 3.70 | % | 0.74 | 0 | 0 | 0.00 | -1.00 | 0.00 | 0.00 | 11/25/2025 4:00:01 PM EST | |||
| 5.50 | 3.70 | 4.70 | 4.20 | % | 0.76 | 0 | 0 | 0.00 | -1.00 | 0.00 | 0.00 | 11/25/2025 4:00:01 PM EST |