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WLK
Westlake Corporation
stock NYSE

At Close

Aug 6, 2026 3:59:59 PM EDT

77.40USD-1.639%(-1.29)897,240

73.11Bid 83.15Ask 10.04Spread

Pre-market

Aug 5, 2026 9:23:30 AM EDT

80.26USD-0.459%(-0.37)0

After-hours

Aug 6, 2026 4:10:30 PM EDT

77.47USD+0.090%(+0.07)1

OverviewOption ChainHistoricalExchangesShortsMore

Expiration Dates

Aug 21, 2026 Sep 18, 2026 Oct 16, 2026 Dec 18, 2026 Jan 15, 2027

ITM/OTM for Jan 15, 2027View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
17	35	1	33

WLK Jan 15, 2027 Exp. - Volume by Strike

Puts

Calls

WLK Jan 15, 2027 Exp. - Open Interest by Strike

Puts

Calls

WLK Jan 15, 2027 Exp. - Max Pain @ $55.00

Puts

Calls

WLK Jan 15, 2027 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
145 C	0.75	-31.82%	1	5	07-01	WLK270115C00145000
140 C	1.20	0%	2	2	06-25	WLK270115C00140000
135 C	1.30	0%	1	1	06-25	WLK270115C00135000
130 C	0	0%	0			WLK270115C00130000
125 C	1.70	0%	1	1	06-25	WLK270115C00125000
120 C	5.25	+5.00%	10	2	06-12	WLK270115C00120000
115 C	0	0%	0			WLK270115C00115000
110 C	0	0%	0			WLK270115C00110000
105 C	0	0%	0			WLK270115C00105000
100 C	3.00	-25.00%	1	14	08-05	WLK270115C00100000
95 C	0	0%	0			WLK270115C00095000
90 C	0	0%	0			WLK270115C00090000
85 C	0	0%	0			WLK270115C00085000
80 C	7.30	-19.69%	1	10	07-27	WLK270115C00080000
75 C	11.70	-8.59%	20	11	08-05	WLK270115C00075000
70 C	11.00	-12.00%	1	2	07-29	WLK270115C00070000
65 C	0	0%	0			WLK270115C00065000
60 C	0	0%	0			WLK270115C00060000
55 C	24.35	0%	2	2	07-07	WLK270115C00055000
50 C	0	0%	0			WLK270115C00050000
45 C	31.80	-2.75%	2	1	07-23	WLK270115C00045000
40 C	30.45	-18.15%	4	1	08-03	WLK270115C00040000

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
145 P	0	0%	0			WLK270115P00145000
140 P	0	0%	0			WLK270115P00140000
135 P	0	0%	0			WLK270115P00135000
130 P	0	0%	0			WLK270115P00130000
125 P	0	0%	0			WLK270115P00125000
120 P	0	0%	0			WLK270115P00120000
115 P	0	0%	0			WLK270115P00115000
110 P	31.00	0%	2	0	06-18	WLK270115P00110000
105 P	0	0%	0			WLK270115P00105000
100 P	0	0%	0			WLK270115P00100000
95 P	0	0%	0			WLK270115P00095000
90 P	19.64	0%	2	1	07-21	WLK270115P00090000
85 P	0	0%	0			WLK270115P00085000
80 P	0	0%	0			WLK270115P00080000
75 P	0	0%	0			WLK270115P00075000
70 P	0	0%	0			WLK270115P00070000
65 P	0	0%	0			WLK270115P00065000
60 P	2.90	-14.71%	1	3	08-05	WLK270115P00060000
55 P	3.00	-9.09%	1	7	07-07	WLK270115P00055000
50 P	0.90	-60.87%	3	17	08-04	WLK270115P00050000
45 P	1.20	+9.09%	2	6	07-14	WLK270115P00045000
40 P	0	0%	0			WLK270115P00040000

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