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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 Aug 21, 2026View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
121	556	2	164

WLK Aug 21, 2026 Exp. - Volume by Strike

Puts

Calls

WLK Aug 21, 2026 Exp. - Open Interest by Strike

Puts

Calls

WLK Aug 21, 2026 Exp. - Max Pain @ $70.00

Puts

Calls

WLK Aug 21, 2026 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
130 C	0.60	0%	1	1	06-22	WLK260821C00130000
125 C	0.25	0%	1	1	06-25	WLK260821C00125000
120 C	0.05	-91.67%	20	20	07-20	WLK260821C00120000
115 C	0.02	-96.67%	20	20	07-20	WLK260821C00115000
110 C	0.70	0%	1	1	06-22	WLK260821C00110000
105 C	0	0%	0			WLK260821C00105000
100 C	0	0%	0			WLK260821C00100000
95 C	0	0%	0			WLK260821C00095000
90 C	0.40	0%	1	1	08-04	WLK260821C00090000
85 C	1.20	-35.83%	1	26	08-04	WLK260821C00085000
80 C	1.60	-49.21%	8	486	08-05	WLK260821C00080000
75 C	5.50	+358.33%	9	20	08-04	WLK260821C00075000
70 C	7.50	+114.29%	6	100	08-04	WLK260821C00070000
65 C	13.89	+113.69%	1	1	08-04	WLK260821C00065000
60 C	0	0%	0			WLK260821C00060000
55 C	0	0%	0			WLK260821C00055000
50 C	0	0%	0			WLK260821C00050000
45 C	0	0%	0			WLK260821C00045000

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
130 P	0	0%	0			WLK260821P00130000
125 P	0	0%	0			WLK260821P00125000
120 P	0	0%	0			WLK260821P00120000
115 P	40.20	+4.01%	2	2	07-23	WLK260821P00115000
110 P	0	0%	0			WLK260821P00110000
105 P	0	0%	0			WLK260821P00105000
100 P	0	0%	0			WLK260821P00100000
95 P	0	0%	0			WLK260821P00095000
90 P	0	0%	0			WLK260821P00090000
85 P	0	0%	0			WLK260821P00085000
80 P	0	0%	0			WLK260821P00080000
75 P	6.04	+10.83%	1	7	07-29	WLK260821P00075000
70 P	0.70	-60.00%	1	3	08-05	WLK260821P00070000
65 P	0.25	-87.18%	5	9	08-05	WLK260821P00065000
60 P	1.00	+33.33%	25	69	07-31	WLK260821P00060000
55 P	0.05	0.00%	5	19	08-05	WLK260821P00055000
50 P	0.10	-77.78%	63	53	07-13	WLK260821P00050000
45 P	0.25	-44.44%	1	4	07-14	WLK260821P00045000

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