Options Chain for RESEARCH FRONTIERS INC COM (REFR) - $1.75 as of 6/19/2025 8:23:47 PM EST
Calls
| Strike | Bid | Ask | Last Price | Change | %Chg | Volume | Open Interest | IV | Delta | Gamma | Theta | Last Trade | Last Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2.50 | 0.00 | 0.05 | 0.06 | 0.00 | 0.00% | 0 | 1,138 | 4.52 | 0.11 | 0.40 | -0.02 | 6/6/2025 | 6/18/2025 3:29:05 PM EST |
| 5.00 | 0.00 | 0.70 | 0.08 | 0.00 | 0.00% | 0 | 2 | 0.00 | 0.00 | 0.00 | 0.00 | 11/27/2024 | 6/18/2025 3:29:05 PM EST |
| 7.50 | 0.00 | 0.70 | % | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 6/18/2025 3:29:05 PM EST |
Puts
| Strike | Bid | Ask | Last Price | Change | %Chg | Volume | Open Interest | IV | Delta | Gamma | Theta | Last Trade | Last Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2.50 | 0.65 | 0.85 | % | 0 | 0 | 9.76 | -0.89 | 0.40 | -0.02 | 6/18/2025 3:29:05 PM EST | |||
| 5.00 | 3.10 | 3.30 | % | 0 | 0 | 0.00 | -1.00 | 0.00 | 0.00 | 6/18/2025 3:29:05 PM EST | |||
| 7.50 | 5.60 | 5.80 | % | 0 | 0 | 0.00 | -1.00 | 0.00 | 0.00 | 6/18/2025 3:29:05 PM EST |