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GNTX
Gentex Corp
stock NASDAQ

At Close

Aug 3, 2026 3:59:57 PM EDT

23.46USD+0.428%(+0.10)1,943,809

23.45Bid 23.49Ask 0.04Spread

Pre-market

Aug 3, 2026 9:25:30 AM EDT

23.38USD+0.086%(+0.02)625

After-hours

Aug 3, 2026 4:00:30 PM EDT

23.45USD-0.043%(-0.01)335,135

OverviewOption ChainHistoricalExchangesShortsMore

Expiration Dates

Aug 21, 2026 Sep 18, 2026 Dec 18, 2026 Mar 19, 2027

ITM/OTM for Sep 18, 2026View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
159	440	69	376

GNTX Sep 18, 2026 Exp. - Volume by Strike

Puts

Calls

GNTX Sep 18, 2026 Exp. - Open Interest by Strike

Puts

Calls

GNTX Sep 18, 2026 Exp. - Max Pain @ $22.50

Puts

Calls

GNTX Sep 18, 2026 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
35.00 C	0.05	0.00%	1	51	07-23	GNTX260918C00035000
32.50 C	0.01	-94.44%	1	2	07-28	GNTX260918C00032500
30.00 C	0.35	+12.90%	1	14	06-25	GNTX260918C00030000
27.50 C	0.34	+13.33%	1	151	07-21	GNTX260918C00027500
25.00 C	0.47	-21.67%	1	222	07-30	GNTX260918C00025000
22.50 C	2.00	-4.76%	6	140	07-29	GNTX260918C00022500
20.00 C	5.00	+96.08%	1	1	04-27	GNTX260918C00020000
17.50 C	8.12	+1.12%	3	10	06-04	GNTX260918C00017500
15.00 C	10.00	0%	15	7	02-17	GNTX260918C00015000
12.50 C	10.40	-5.45%	2	1	05-20	GNTX260918C00012500

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
35.00 P	13.84	+19.31%	2	2	03-16	GNTX260918P00035000
32.50 P	0	0%	0			GNTX260918P00032500
30.00 P	8.47	0%	2	2	04-07	GNTX260918P00030000
27.50 P	2.25	-63.36%	1	14	06-22	GNTX260918P00027500
25.00 P	1.70	-8.11%	4	51	07-28	GNTX260918P00025000
22.50 P	0.60	+50.00%	2	172	07-31	GNTX260918P00022500
20.00 P	0.16	-70.91%	30	186	07-31	GNTX260918P00020000
17.50 P	0.10	-54.55%	2	5	07-31	GNTX260918P00017500
15.00 P	0.05	0.00%	2	13	07-31	GNTX260918P00015000
12.50 P	0.05	0%	2	0	07-31	GNTX260918P00012500

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