Options Chain for RESEARCH FRONTIERS INC COM (REFR) - $0.59 as of 10/13/2026 9:05:04 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 0.35 0.18 0.16 % 0.36 5 0 0.00 0.95 1.59 0.00 10/13/2026 10/13/2026 4:00:04 PM EST
1.00 0.00 0.75 0.38 % 0.38 0 0 0.00 0.00 0.00 0.00 10/13/2026 4:00:04 PM EST
1.50 0.00 0.75 0.38 % 0.25 0 0 0.00 0.00 0.00 0.00 10/13/2026 4:00:04 PM EST
2.00 0.00 0.85 0.43 % 0.21 0 0 0.00 0.00 0.00 0.00 10/13/2026 4:00:04 PM EST
2.50 0.00 0.05 0.03 0.05 0.00 0.00% 0.01 0 163 0.00 0.00 0.00 0.00 9/22/2026 10/13/2026 4:00:04 PM EST
5.00 0.00 0.75 0.38 0.05 0.00 0.00% 0.08 0 7 0.00 0.00 0.00 0.00 9/18/2026 10/13/2026 4:00:04 PM EST
7.50 0.00 0.75 0.38 % 0.05 0 0 0.00 0.00 0.00 0.00 10/13/2026 4:00:04 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 0.60 0.30 % 0.60 0 0 0.00 -0.05 1.59 0.00 10/13/2026 4:00:04 PM EST
1.00 0.05 0.80 0.43 % 0.43 0 0 0.00 -1.00 0.00 0.00 10/13/2026 4:00:04 PM EST
1.50 0.50 1.25 0.88 % 0.59 0 0 0.00 -1.00 0.00 0.00 10/13/2026 4:00:04 PM EST
2.00 0.90 1.90 1.40 % 0.70 0 0 0.00 -1.00 0.00 0.00 10/13/2026 4:00:04 PM EST
2.50 1.50 2.25 1.88 2.00 0.00 0.00% 0.75 0 3 0.00 -1.00 0.00 0.00 9/21/2026 10/13/2026 4:00:04 PM EST
5.00 3.90 4.90 4.40 4.50 0.00 0.00% 0.88 0 2 0.00 -1.00 0.00 0.00 9/21/2026 10/13/2026 4:00:04 PM EST
7.50 6.40 7.40 6.90 7.00 0.00 0.00% 0.92 0 2 0.00 -1.00 0.00 0.00 9/21/2026 10/13/2026 4:00:04 PM EST