Options Chain for QUANTUM SI INC COM CL A (QSI) - $1.77 as of 10/8/2025 8:43:21 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 | 1.20 | 1.55 | 1.38 | 1.35 | +0.21 | +18.43% | 2.76 | 10 | 2 | 0.00 | 1.00 | 0.00 | 0.00 | 10/8/2025 | 10/8/2025 4:00:05 PM EST |
| 1.00 | 0.70 | 0.80 | 0.75 | 0.74 | -0.06 | -7.50% | 0.75 | 4 | 73 | 6.15 | 1.00 | 0.00 | 0.00 | 10/8/2025 | 10/8/2025 4:00:05 PM EST |
| 1.50 | 0.20 | 0.30 | 0.25 | 0.30 | +0.03 | +11.12% | 0.17 | 700 | 7,021 | 2.48 | 0.95 | 0.47 | 0.00 | 10/8/2025 | 10/8/2025 4:00:05 PM EST |
| 2.00 | 0.00 | 0.05 | 0.03 | 0.02 | +0.01 | +100.00% | 0.01 | 1,713 | 8,659 | 2.43 | 0.10 | 1.15 | -0.01 | 10/8/2025 | 10/8/2025 4:00:05 PM EST |
| 2.50 | 0.00 | 0.05 | 0.03 | 0.01 | -0.04 | -80.00% | 0.01 | 3 | 273 | 4.38 | 0.00 | 0.01 | 0.00 | 10/8/2025 | 10/8/2025 4:00:05 PM EST |
| 3.00 | 0.00 | 0.05 | 0.03 | 0.04 | 0.00 | 0.00% | 0.01 | 0 | 8 | 5.75 | 0.00 | 0.00 | 0.00 | 10/3/2025 | 10/8/2025 4:00:05 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 | 0.01 | 0.00 | 0.00% | 0.06 | 0 | 3 | 0.00 | 0.00 | 0.00 | 0.00 | 10/6/2025 | 10/8/2025 4:00:05 PM EST |
| 1.00 | 0.00 | 0.75 | 0.38 | 0.02 | 0.00 | 0.00% | 0.38 | 0 | 57 | 0.00 | 0.00 | 0.00 | 0.00 | 10/6/2025 | 10/8/2025 4:00:05 PM EST |
| 1.50 | 0.00 | 0.05 | 0.03 | 0.05 | 0.00 | 0.00% | 0.02 | 8 | 558 | 3.06 | -0.05 | 0.47 | 0.00 | 10/8/2025 | 10/8/2025 4:00:05 PM EST |
| 2.00 | 0.00 | 0.30 | 0.15 | 0.25 | -0.01 | -3.85% | 0.07 | 16 | 22 | 2.87 | -0.90 | 1.15 | -0.01 | 10/8/2025 | 10/8/2025 4:00:05 PM EST |
| 2.50 | 0.70 | 0.80 | 0.75 | 0.72 | 0.00 | 0.00% | 0.30 | 1 | 4 | 4.93 | -1.00 | 0.01 | 0.00 | 10/8/2025 | 10/8/2025 4:00:05 PM EST |
| 3.00 | 1.20 | 1.90 | 1.55 | 1.23 | -0.29 | -19.08% | 0.52 | 3 | 9 | 0.00 | -1.00 | 0.00 | 0.00 | 10/8/2025 | 10/8/2025 4:00:05 PM EST |