Options Chain for GENTEX CORP COM (GNTX) - $24.67 as of 7/2/2026 3:57:14 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12.50 | 10.90 | 14.00 | 12.45 | % | 1.00 | 0 | 0 | 4.55 | 1.00 | 0.00 | 0.00 | 7/2/2026 3:59:56 PM EST | |||
| 15.00 | 8.50 | 11.50 | 10.00 | 10.00 | 0.00 | 0.00% | 0.67 | 0 | 1 | 3.64 | 1.00 | 0.00 | 0.00 | 6/3/2026 | 7/2/2026 3:59:56 PM EST |
| 17.50 | 5.90 | 8.60 | 7.25 | 5.98 | 0.00 | 0.00% | 0.41 | 0 | 35 | 2.57 | 1.00 | 0.00 | 0.00 | 5/15/2026 | 7/2/2026 3:59:56 PM EST |
| 20.00 | 2.90 | 5.10 | 4.00 | 4.20 | % | 0.20 | 1 | 0 | 1.24 | 1.00 | 0.00 | 0.00 | 7/2/2026 | 7/2/2026 3:59:56 PM EST | |
| 22.50 | 0.85 | 3.00 | 1.93 | 2.97 | 0.00 | 0.00% | 0.09 | 0 | 9 | 0.99 | 0.87 | 0.12 | -0.01 | 6/25/2026 | 7/2/2026 3:59:56 PM EST |
| 25.00 | 0.00 | 0.95 | 0.48 | 0.43 | 0.00 | 0.00% | 0.02 | 0 | 69 | 0.61 | 0.41 | 0.20 | -0.02 | 7/1/2026 | 7/2/2026 3:59:56 PM EST |
| 27.50 | 0.00 | 0.30 | 0.15 | 0.20 | 0.00 | 0.00% | 0.01 | 0 | 67 | 0.62 | 0.08 | 0.07 | -0.01 | 6/30/2026 | 7/2/2026 3:59:56 PM EST |
| 30.00 | 0.00 | 0.40 | 0.20 | 0.06 | 0.00 | 0.00% | 0.01 | 0 | 1 | 0.97 | 0.01 | 0.01 | 0.00 | 6/9/2026 | 7/2/2026 3:59:56 PM EST |
| 32.50 | 0.00 | 0.75 | 0.38 | 0.10 | 0.00 | 0.00% | 0.01 | 0 | 2 | 1.47 | 0.00 | 0.00 | 0.00 | 6/22/2026 | 7/2/2026 3:59:56 PM EST |
| 35.00 | 0.00 | 2.60 | 1.30 | % | 0.04 | 0 | 0 | 2.81 | 0.00 | 0.00 | 0.00 | 7/2/2026 3:59:56 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12.50 | 0.00 | 0.75 | 0.38 | % | 0.03 | 0 | 0 | 3.06 | 0.00 | 0.00 | 0.00 | 7/2/2026 3:59:56 PM EST | |||
| 15.00 | 0.00 | 0.75 | 0.38 | % | 0.03 | 0 | 0 | 2.39 | 0.00 | 0.00 | 0.00 | 7/2/2026 3:59:56 PM EST | |||
| 17.50 | 0.00 | 0.75 | 0.38 | % | 0.02 | 0 | 0 | 1.82 | 0.00 | 0.00 | 0.00 | 7/2/2026 3:59:56 PM EST | |||
| 20.00 | 0.00 | 0.30 | 0.15 | 0.25 | 0.00 | 0.00% | 0.01 | 0 | 10 | 0.92 | 0.00 | 0.00 | 0.00 | 5/20/2026 | 7/2/2026 3:59:56 PM EST |
| 22.50 | 0.00 | 1.00 | 0.50 | 0.10 | +0.05 | +100.00% | 0.02 | 14 | 78 | 0.95 | -0.13 | 0.12 | -0.01 | 7/2/2026 | 7/2/2026 3:59:56 PM EST |
| 25.00 | 0.15 | 2.05 | 1.10 | 0.57 | 0.00 | 0.00% | 0.04 | 0 | 108 | 0.87 | -0.59 | 0.20 | -0.02 | 6/29/2026 | 7/2/2026 3:59:56 PM EST |
| 27.50 | 2.45 | 4.40 | 3.43 | 3.03 | % | 0.12 | 1 | 0 | 1.23 | -0.92 | 0.07 | -0.01 | 7/2/2026 | 7/2/2026 3:59:56 PM EST | |
| 30.00 | 4.60 | 6.70 | 5.65 | % | 0.19 | 0 | 0 | 1.45 | -0.99 | 0.01 | 0.00 | 7/2/2026 3:59:56 PM EST | |||
| 32.50 | 7.10 | 9.10 | 8.10 | % | 0.25 | 0 | 0 | 1.66 | -1.00 | 0.00 | 0.00 | 7/2/2026 3:59:56 PM EST | |||
| 35.00 | 8.80 | 11.70 | 10.25 | % | 0.29 | 0 | 0 | 1.96 | -1.00 | 0.00 | 0.00 | 7/2/2026 3:59:56 PM EST |