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GNTX
Gentex Corp
stock NASDAQ

At Close

Sep 17, 2026 3:59:59 PM EDT

22.46USD+0.672%(+0.15)1,476,671

0.00Bid 0.00Ask 0.00Spread

Pre-market

Sep 16, 2026 9:29:59 AM EDT

22.62USD+1.390%(+0.31)0

After-hours

Sep 16, 2026 4:01:30 PM EDT

22.31USD-0.090%(-0.02)0

OverviewOption ChainHistoricalExchangesShortsMore

Expiration Dates

Sep 18, 2026 Oct 16, 2026 Nov 20, 2026 Dec 18, 2026 Mar 19, 2027

ITM/OTM for Sep 18, 2026View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
19	679	253	191

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	52	09-10	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	0.03	-91.18%	1	150	09-02	GNTX260918C00027500
25.00 C	0.05	+25.00%	1	320	09-14	GNTX260918C00025000
22.50 C	0.25	-61.54%	4	141	09-15	GNTX260918C00022500
20.00 C	5.00	+96.08%	1	1	04-27	GNTX260918C00020000
17.50 C	5.27	-17.27%	3	10	09-16	GNTX260918C00017500
15.00 C	8.58	-14.20%	1	7	08-19	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	3.20	+42.22%	1	10	08-10	GNTX260918P00027500
25.00 P	2.14	+33.75%	2	3	09-11	GNTX260918P00025000
22.50 P	0.43	+43.33%	8	236	09-16	GNTX260918P00022500
20.00 P	0.08	+60.00%	4	173	09-16	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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