Showing results for GNTX, 2026-11-20(m), calls & puts
GNTX Option Chain FAQ
What is an option chain?
An option chain lists every call and put for a stock, with prices, volume, open interest, and Greeks for each strike and expiration date.
How many GNTX option contracts are listed?
As of Nov 4, 2026, Gentex Corp (GNTX) had 70 listed option contracts across 4 expiration dates, from Nov 20, 2026 to Jun 17, 2027.
When do GNTX options expire?
Gentex had 4 expiration dates as of Nov 4, 2026, 1 of them weekly. The nearest was Nov 20, 2026 and the furthest Jun 17, 2027.
How actively are GNTX options traded?
211 Gentex option contracts traded on Nov 4, 2026, and open interest was 3.17K contracts. Over the past 30 days, volume averaged 102 contracts per day. The GNTX option volume chart shows volume by strike and expiration date.
Is GNTX implied volatility high right now?
Gentex IV rank is 14, so its 30-day implied volatility of 37.1% is near the bottom of its one-year range. Over the past year it ranged from 13.7% on Aug 17, 2026 to 182.4% on Oct 16, 2026. See the GNTX implied volatility history for a longer view.
What is Gentex Corp?
Gentex was founded in 1974 to produce smoke-detection equipment.