Options Chain for QUANTUM SI INC COM CL A (QSI) - $0.91 as of 2/19/2026 12:32:11 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 0.05 0.80 0.43 % 0.86 0 0 7.64 0.87 0.20 0.00 2/19/2026 11:58:40 AM EST
1.00 0.00 0.75 0.38 0.35 0.00 0.00% 0.38 0 0 7.77 0.70 0.32 0.00 2/18/2026 2/19/2026 11:58:40 AM EST
1.50 0.00 0.75 0.38 0.03 0.00 0.00% 0.25 0 2 8.40 0.56 0.38 -0.01 2/18/2026 2/19/2026 11:58:40 AM EST
2.00 0.00 0.75 0.38 % 0.19 0 0 8.80 0.46 0.38 -0.01 2/19/2026 11:58:40 AM 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 2.12 -0.13 0.20 0.00 2/19/2026 11:58:40 AM EST
1.00 0.00 0.75 0.38 % 0.38 0 0 6.68 -0.30 0.32 0.00 2/19/2026 11:58:40 AM EST
1.50 0.30 1.00 0.65 % 0.43 0 0 4.67 -0.44 0.38 -0.01 2/19/2026 11:58:40 AM EST
2.00 0.75 1.50 1.13 % 0.56 0 0 5.18 -0.54 0.38 -0.01 2/19/2026 11:58:40 AM EST