Options Chain for QUANTUM SI INC COM CL A (QSI) - $0.78 as of 8/21/2026 1:28:16 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 | 0.00 | 0.60 | 0.30 | 0.41 | +0.40 | +4,000.00% | 0.60 | 23 | 6 | 2.30 | 0.94 | 0.28 | 0.00 | 8/21/2026 | 8/21/2026 12:58:59 PM EST |
| 1.00 | 0.05 | 0.15 | 0.10 | 0.06 | +0.01 | +20.00% | 0.10 | 5,043 | 435 | 1.57 | 0.50 | 1.01 | 0.00 | 8/21/2026 | 8/21/2026 12:58:59 PM EST |
| 1.50 | 0.00 | 0.20 | 0.10 | 0.25 | 0.00 | 0.00% | 0.07 | 0 | 1 | 3.42 | 0.18 | 0.66 | 0.00 | 7/16/2026 | 8/21/2026 12:58:59 PM EST |
| 2.00 | 0.00 | 0.05 | 0.03 | 0.05 | 0.00 | 0.00% | 0.01 | 0 | 1 | 2.39 | 0.06 | 0.29 | 0.00 | 8/7/2026 | 8/21/2026 12:58:59 PM EST |
| 2.50 | 0.00 | 0.15 | 0.08 | 0.01 | 0.00 | 0.00% | 0.03 | 0 | 3 | 3.99 | 0.02 | 0.11 | 0.00 | 8/17/2026 | 8/21/2026 12:58:59 PM EST |
| 5.00 | 0.00 | 0.05 | 0.03 | 0.01 | 0.00 | 0.00% | 0.01 | 0 | 5 | 3.88 | 0.00 | 0.00 | 0.00 | 8/17/2026 | 8/21/2026 12:58:59 PM EST |
| 7.50 | 0.00 | 0.25 | 0.13 | 0.01 | 0.00 | 0.00% | 0.02 | 0 | 2 | 0.00 | 0.00 | 0.00 | 0.00 | 8/17/2026 | 8/21/2026 12:58:59 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 | 0.05 | 0.00 | 0.00% | 0.06 | 0 | 3 | 2.54 | -0.06 | 0.28 | 0.00 | 8/14/2026 | 8/21/2026 12:58:59 PM EST |
| 1.00 | 0.00 | 0.20 | 0.10 | 0.24 | 0.00 | 0.00% | 0.10 | 0 | 13 | 1.45 | -0.50 | 1.01 | 0.00 | 8/4/2026 | 8/21/2026 12:58:59 PM EST |
| 1.50 | 0.35 | 1.10 | 0.73 | % | 0.49 | 0 | 0 | 6.79 | -0.82 | 0.66 | 0.00 | 8/21/2026 12:58:59 PM EST | |||
| 2.00 | 0.75 | 1.65 | 1.20 | % | 0.60 | 0 | 0 | 9.52 | -0.94 | 0.29 | 0.00 | 8/21/2026 12:58:59 PM EST | |||
| 2.50 | 1.35 | 2.10 | 1.73 | % | 0.69 | 0 | 0 | 7.82 | -0.98 | 0.11 | 0.00 | 8/21/2026 12:58:59 PM EST | |||
| 5.00 | 3.60 | 4.70 | 4.15 | % | 0.83 | 0 | 0 | 0.00 | -1.00 | 0.00 | 0.00 | 8/21/2026 12:58:59 PM EST | |||
| 7.50 | 6.10 | 7.20 | 6.65 | % | 0.89 | 0 | 0 | 0.00 | -1.00 | 0.00 | 0.00 | 8/21/2026 12:58:59 PM EST |