Options Chain for RESEARCH FRONTIERS INC COM (REFR) - $1.33 as of 1/20/2026 6:33:27 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2.50 | 0.00 | 0.25 | 0.13 | 0.25 | +0.21 | +525.00% | 0.05 | 5 | 175 | 3.45 | 0.15 | 0.35 | 0.00 | 1/20/2026 | 1/20/2026 3:59:45 PM EST |
| 5.00 | 0.00 | 1.15 | 0.58 | % | 0.12 | 0 | 0 | 0.00 | 0.01 | 0.03 | 0.00 | 1/20/2026 3:59:45 PM EST | |||
| 7.50 | 0.00 | 0.30 | 0.15 | % | 0.02 | 0 | 0 | 5.70 | 0.00 | 0.00 | 0.00 | 1/20/2026 3:59:45 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2.50 | 0.90 | 1.45 | 1.18 | % | 0.47 | 0 | 0 | 3.28 | -0.85 | 0.35 | 0.00 | 1/20/2026 3:59:45 PM EST | |||
| 5.00 | 3.00 | 4.50 | 3.75 | % | 0.75 | 0 | 0 | 8.56 | -0.99 | 0.03 | 0.00 | 1/20/2026 3:59:45 PM EST | |||
| 7.50 | 5.50 | 7.00 | 6.25 | % | 0.83 | 0 | 0 | 9.21 | -1.00 | 0.00 | 0.00 | 1/20/2026 3:59:45 PM EST |