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WLK
Westlake Corporation
stock NYSE

At Close

Sep 21, 2026 3:59:52 PM EDT

67.76USD-1.889%(-1.31)576,338

0.00Bid 0.00Ask 0.00Spread

Pre-market

0.00USD-100.000%(-69.07)0

After-hours

Sep 21, 2026 4:10:30 PM EDT

67.77USD+0.007%(+0.01)1

OverviewOption ChainHistoricalExchangesShortsMore

Expiration Dates

Oct 16, 2026 Nov 20, 2026 Dec 18, 2026 Jan 15, 2027 Apr 16, 2027 Dec 17, 2027

ITM/OTM for Apr 16, 2027View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
0	295	0	13

WLK Apr 16, 2027 Exp. - Volume by Strike

Puts

Calls

WLK Apr 16, 2027 Exp. - Open Interest by Strike

Puts

Calls

WLK Apr 16, 2027 Exp. - Max Pain @ $65.00

Puts

Calls

WLK Apr 16, 2027 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
115 C	2.38	+55.56%	1	2	09-18	WLK270416C00115000
110 C	1.75	0%	135	135	09-16	WLK270416C00110000
105 C	0	0%	0			WLK270416C00105000
100 C	2.50	0%	2	2	09-18	WLK270416C00100000
95 C	0	0%	0			WLK270416C00095000
90 C	0	0%	0			WLK270416C00090000
85 C	5.25	+25.00%	135	135	09-16	WLK270416C00085000
80 C	5.77	-48.25%	1	4	09-18	WLK270416C00080000
75 C	10.50	+1.94%	2	8	09-03	WLK270416C00075000
70 C	9.60	-1.03%	7	9	09-15	WLK270416C00070000
65 C	0	0%	0			WLK270416C00065000
60 C	0	0%	0			WLK270416C00060000
55 C	0	0%	0			WLK270416C00055000
50 C	0	0%	0			WLK270416C00050000
45 C	0	0%	0			WLK270416C00045000
40 C	0	0%	0			WLK270416C00040000

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
115 P	0	0%	0			WLK270416P00115000
110 P	0	0%	0			WLK270416P00110000
105 P	0	0%	0			WLK270416P00105000
100 P	0	0%	0			WLK270416P00100000
95 P	0	0%	0			WLK270416P00095000
90 P	0	0%	0			WLK270416P00090000
85 P	16.80	0%	2	0	08-27	WLK270416P00085000
80 P	0	0%	0			WLK270416P00080000
75 P	0	0%	0			WLK270416P00075000
70 P	0	0%	0			WLK270416P00070000
65 P	6.00	0%	1	1	09-09	WLK270416P00065000
60 P	0	0%	0			WLK270416P00060000
55 P	3.01	-9.06%	1	8	09-18	WLK270416P00055000
50 P	1.56	-10.86%	1	4	09-18	WLK270416P00050000
45 P	0	0%	0			WLK270416P00045000
40 P	0	0%	0			WLK270416P00040000

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