GNTX Open Interest
Gentex Corp (GNTX) had 3.17K open option contracts as of Nov 4, 2026: 1.89K calls and 1.29K puts. Open interest rose 54.5% over the past four weeks, and is GNTX's highest level in 12 weeks. The put/call open interest ratio is 0.68, so calls outnumber puts.
Open Interest by Strike
Showing results for GNTX, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for GNTX, 2026-11-20(m), calls & puts
| Call Open Interest Total | |
|---|---|
| Put Open Interest Total | |
| Open Interest Total | |
| Put-Call Open Interest Ratio |
Highest Open Interest Options
Showing results for GNTX, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for GNTX, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for GNTX, all expirations, calls & puts. View full history
GNTX Open Interest FAQ
What is open interest?
Open interest is the number of option contracts that are open and not yet closed, exercised, or expired. The Options Clearing Corporation calculates it once a day from the previous day's trades, and it is published before the market opens.
How much open interest does GNTX have?
Gentex had 3.17K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 2.55K contracts.
Is GNTX open interest rising or falling?
Open interest rose 54.5% over the past four weeks, and is GNTX's highest level in 12 weeks. It was 2.06K contracts on Oct 7, 2026. See the GNTX open interest history for a longer view.
What is the GNTX put/call open interest ratio?
The Gentex put/call open interest ratio was 0.68 as of Nov 4, 2026. Four weeks earlier it was 0.46.
What is Gentex Corp?
Gentex was founded in 1974 to produce smoke-detection equipment.