Options Chain for GENTEX CORP COM (GNTX) - $22.82 as of 12/3/2025 4:00:41 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 | 9.70 | 12.50 | 11.10 | 15.00 | 0.00 | 0.00% | 0.89 | 0 | 0 | 4.18 | 1.00 | 0.00 | 0.00 | 10/7/2025 | 12/3/2025 3:59:52 PM EST |
| 15.00 | 7.20 | 10.00 | 8.60 | 7.57 | 0.00 | 0.00% | 0.57 | 0 | 1 | 3.29 | 1.00 | 0.00 | 0.00 | 11/18/2025 | 12/3/2025 3:59:52 PM EST |
| 17.50 | 4.40 | 7.50 | 5.95 | 5.00 | 0.00 | 0.00% | 0.34 | 0 | 5 | 2.53 | 1.00 | 0.00 | 0.00 | 11/25/2025 | 12/3/2025 3:59:52 PM EST |
| 20.00 | 2.05 | 4.90 | 3.48 | 2.92 | 0.00 | 0.00% | 0.17 | 0 | 49 | 1.79 | 0.97 | 0.04 | -0.01 | 12/2/2025 | 12/3/2025 3:59:52 PM EST |
| 22.50 | 0.00 | 0.90 | 0.45 | 0.83 | +0.08 | +10.67% | 0.02 | 11 | 380 | 0.33 | 0.64 | 0.22 | -0.02 | 12/3/2025 | 12/3/2025 3:59:52 PM EST |
| 25.00 | 0.05 | 0.20 | 0.13 | 0.10 | 0.00 | 0.00% | 0.01 | 1 | 577 | 0.35 | 0.14 | 0.13 | -0.01 | 12/3/2025 | 12/3/2025 3:59:52 PM EST |
| 27.50 | 0.00 | 0.05 | 0.03 | 0.05 | 0.00 | 0.00% | 0.00 | 0 | 450 | 0.51 | 0.01 | 0.01 | 0.00 | 11/5/2025 | 12/3/2025 3:59:52 PM EST |
| 30.00 | 0.00 | 0.05 | 0.03 | 0.05 | 0.00 | 0.00% | 0.00 | 0 | 817 | 0.69 | 0.00 | 0.00 | 0.00 | 11/7/2025 | 12/3/2025 3:59:52 PM EST |
| 32.50 | 0.00 | 0.75 | 0.38 | 0.40 | 0.00 | 0.00% | 0.01 | 0 | 9 | 1.63 | 0.00 | 0.00 | 0.00 | 9/19/2025 | 12/3/2025 3:59:52 PM EST |
| 35.00 | 0.00 | 0.75 | 0.38 | % | 0.01 | 0 | 0 | 1.84 | 0.00 | 0.00 | 0.00 | 12/3/2025 3:59:52 PM EST | |||
| 37.50 | 0.00 | 0.75 | 0.38 | % | 0.01 | 0 | 0 | 2.02 | 0.00 | 0.00 | 0.00 | 12/3/2025 3:59:52 PM EST | |||
| 40.00 | 0.00 | 0.75 | 0.38 | 0.03 | 0.00 | 0.00% | 0.01 | 0 | 11 | 2.19 | 0.00 | 0.00 | 0.00 | 10/17/2025 | 12/3/2025 3:59:52 PM EST |
| 42.50 | 0.00 | 0.75 | 0.38 | % | 0.01 | 0 | 0 | 2.34 | 0.00 | 0.00 | 0.00 | 12/3/2025 3:59:52 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 | 0.05 | 0.03 | 0.38 | 0.00 | 0.00% | 0.00 | 0 | 1 | 1.49 | 0.00 | 0.00 | 0.00 | 10/7/2025 | 12/3/2025 3:59:52 PM EST |
| 15.00 | 0.00 | 0.05 | 0.03 | 0.05 | 0.00 | 0.00% | 0.00 | 0 | 2 | 1.09 | 0.00 | 0.00 | 0.00 | 11/20/2025 | 12/3/2025 3:59:52 PM EST |
| 17.50 | 0.00 | 0.75 | 0.38 | % | 0.02 | 0 | 0 | 1.58 | 0.00 | 0.00 | 0.00 | 12/3/2025 3:59:52 PM EST | |||
| 20.00 | 0.00 | 0.15 | 0.08 | 0.05 | 0.00 | 0.00% | 0.00 | 0 | 377 | 0.57 | -0.03 | 0.04 | -0.01 | 12/2/2025 | 12/3/2025 3:59:52 PM EST |
| 22.50 | 0.00 | 1.80 | 0.90 | 0.25 | -0.13 | -34.22% | 0.04 | 1 | 56 | 1.08 | -0.36 | 0.22 | -0.02 | 12/3/2025 | 12/3/2025 3:59:52 PM EST |
| 25.00 | 0.85 | 4.30 | 2.58 | 2.19 | 0.00 | 0.00% | 0.10 | 0 | 43 | 1.61 | -0.86 | 0.13 | -0.01 | 12/2/2025 | 12/3/2025 3:59:52 PM EST |
| 27.50 | 2.50 | 6.60 | 4.55 | 4.60 | +0.13 | +2.91% | 0.17 | 1 | 1 | 1.89 | -0.99 | 0.01 | 0.00 | 12/3/2025 | 12/3/2025 3:59:52 PM EST |
| 30.00 | 6.20 | 8.00 | 7.10 | 2.25 | 0.00 | 0.00% | 0.24 | 0 | 0 | 1.56 | -1.00 | 0.00 | 0.00 | 9/29/2025 | 12/3/2025 3:59:52 PM EST |
| 32.50 | 8.70 | 10.40 | 9.55 | 9.30 | 0.00 | 0.00% | 0.29 | 0 | 0 | 1.74 | -1.00 | 0.00 | 0.00 | 11/6/2025 | 12/3/2025 3:59:52 PM EST |
| 35.00 | 10.90 | 13.30 | 12.10 | 7.00 | 0.00 | 0.00% | 0.35 | 0 | 0 | 2.23 | -1.00 | 0.00 | 0.00 | 8/13/2025 | 12/3/2025 3:59:52 PM EST |
| 37.50 | 13.40 | 15.80 | 14.60 | % | 0.39 | 0 | 0 | 2.43 | -1.00 | 0.00 | 0.00 | 12/3/2025 3:59:52 PM EST | |||
| 40.00 | 15.90 | 18.30 | 17.10 | % | 0.43 | 0 | 0 | 2.61 | -1.00 | 0.00 | 0.00 | 12/3/2025 3:59:52 PM EST | |||
| 42.50 | 18.40 | 20.80 | 19.60 | % | 0.46 | 0 | 0 | 2.77 | -1.00 | 0.00 | 0.00 | 12/3/2025 3:59:52 PM EST |