Options Chain for QUANTUM SI INC COM CL A (QSI) - $1.28 as of 6/5/2026 6:16:41 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 0.25 1.25 0.75 % 1.50 0 0 0.00 0.91 0.20 0.00 6/5/2026 3:59:11 PM EST
1.00 0.05 1.05 0.55 % 0.55 0 0 0.13 0.67 0.45 0.00 6/5/2026 3:59:11 PM EST
1.50 0.00 0.55 0.28 0.20 0.00 0.00% 0.19 0 9 4.62 0.47 0.49 0.00 6/4/2026 6/5/2026 3:59:11 PM EST
2.00 0.00 0.30 0.15 0.07 0.00 0.00% 0.07 0 10 3.33 0.32 0.45 0.00 6/4/2026 6/5/2026 3:59:11 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 2.14 -0.09 0.20 0.00 6/5/2026 3:59:11 PM EST
1.00 0.00 1.00 0.50 % 0.50 0 0 0.00 -0.33 0.45 0.00 6/5/2026 3:59:11 PM EST
1.50 0.05 1.05 0.55 % 0.37 0 0 5.00 -0.53 0.49 0.00 6/5/2026 3:59:11 PM EST
2.00 0.40 1.40 0.90 % 0.45 0 0 4.34 -0.68 0.45 0.00 6/5/2026 3:59:11 PM EST