Options Chain for QUANTUM SI INC COM CL A (QSI) - $0.72 as of 7/31/2026 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 0.00 0.70 0.35 % 0.70 0 0 0.00 0.81 0.34 0.00 7/31/2026 4:00:00 PM EST
1.00 0.00 0.10 0.05 % 0.05 0 0 2.03 0.60 0.49 0.00 7/31/2026 4:00:00 PM EST
1.50 0.00 0.25 0.13 0.05 0.00 0.00% 0.09 0 1 4.58 0.45 0.50 0.00 7/27/2026 7/31/2026 4:00:00 PM EST
2.00 0.00 0.15 0.08 0.05 +0.01 +25.00% 0.04 9 9 5.67 0.35 0.47 0.00 7/31/2026 7/31/2026 4:00:00 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 % 0.06 0 0 1.80 -0.19 0.34 0.00 7/31/2026 4:00:00 PM EST
1.00 0.00 1.00 0.50 0.23 0.00 0.00% 0.50 0 1 0.00 -0.40 0.49 0.00 7/27/2026 7/31/2026 4:00:00 PM EST
1.50 0.35 1.35 0.85 % 0.57 0 0 9.45 -0.55 0.50 0.00 7/31/2026 4:00:00 PM EST
2.00 0.50 4.10 2.30 % 1.15 0 0 0.00 -0.65 0.47 0.00 7/31/2026 4:00:00 PM EST