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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 Oct 16, 2026View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
32	64	109	22

GNTX Oct 16, 2026 Exp. - Volume by Strike

Puts

Calls

GNTX Oct 16, 2026 Exp. - Open Interest by Strike

Puts

Calls

GNTX Oct 16, 2026 Exp. - Max Pain @ $25.00

Puts

Calls

GNTX Oct 16, 2026 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
35.00 C	0	0%	0			GNTX261016C00035000
32.50 C	0	0%	0			GNTX261016C00032500
30.00 C	0	0%	0			GNTX261016C00030000
27.50 C	0	0%	0			GNTX261016C00027500
25.00 C	0.05	-70.59%	2	61	09-15	GNTX261016C00025000
22.50 C	0.80	-18.37%	1	3	09-10	GNTX261016C00022500
20.00 C	4.21	0%	20	20	08-21	GNTX261016C00020000
17.50 C	6.60	0%	5	5	08-21	GNTX261016C00017500
15.00 C	8.91	0%	7	7	08-21	GNTX261016C00015000
12.50 C	0	0%	0			GNTX261016C00012500

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
35.00 P	0	0%	0			GNTX261016P00035000
32.50 P	0	0%	0			GNTX261016P00032500
30.00 P	0	0%	0			GNTX261016P00030000
27.50 P	4.49	0%	17	17	08-28	GNTX261016P00027500
25.00 P	2.20	+6.80%	6	34	09-11	GNTX261016P00025000
22.50 P	0.90	+38.46%	14	58	09-16	GNTX261016P00022500
20.00 P	0.15	+150.00%	2	22	09-01	GNTX261016P00020000
17.50 P	0	0%	0			GNTX261016P00017500
15.00 P	0	0%	0			GNTX261016P00015000
12.50 P	0	0%	0			GNTX261016P00012500

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