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WLK
Westlake Corporation
stock NYSE

At Close

Aug 1, 2025 3:59:57 PM EDT

75.40USD-4.912%(-3.90)1,594,517

75.36Bid 75.42Ask 0.06Spread

Pre-market

Aug 1, 2025 8:37:30 AM EDT

77.68USD-2.043%(-1.62)300

After-hours

Aug 1, 2025 4:02:30 PM EDT

75.50USD+0.126%(+0.10)21,948

OverviewOption ChainHistoricalExchangesShortsMore

Aug 15, 2025 Sep 19, 2025 Oct 17, 2025 Dec 19, 2025 Jan 16, 2026

ITM/OTM for Oct 17, 2025View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
112	1,155	2,047	442

WLK Oct 17, 2025 Exp. - Volume by Strike

Puts

Calls

WLK Oct 17, 2025 Exp. - Open Interest by Strike

Puts

Calls

WLK Oct 17, 2025 Exp. - Max Pain @ $80.00

Puts

Calls

WLK Oct 17, 2025 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
170 C	0	0%	0			WLK251017C00170000
165 C	0	0%	0			WLK251017C00165000
160 C	1.85	0%	1	1	02-27	WLK251017C00160000
155 C	1.95	0.00%	1	2	03-12	WLK251017C00155000
150 C	0	0%	0			WLK251017C00150000
145 C	0	0%	0			WLK251017C00145000
140 C	0	0%	0			WLK251017C00140000
135 C	1.20	-40.00%	1	2	04-16	WLK251017C00135000
130 C	1.10	0%	1	1	04-07	WLK251017C00130000
125 C	0	0%	0			WLK251017C00125000
120 C	0.50	-87.18%	1	1	05-27	WLK251017C00120000
115 C	4.10	-8.89%	4	2	06-13	WLK251017C00115000
110 C	2.95	-51.64%	1	1	04-08	WLK251017C00110000
105 C	1.40	0%	23	23	07-23	WLK251017C00105000
100 C	1.20	-35.14%	5	5	07-21	WLK251017C00100000
95 C	1.35	-22.86%	1	2	06-24	WLK251017C00095000
90 C	4.96	+41.71%	1	48	07-10	WLK251017C00090000
85 C	7.14	+66.05%	1	119	07-10	WLK251017C00085000
80 C	5.05	+12.22%	1	948	06-27	WLK251017C00080000
75 C	7.00	+27.27%	2	82	06-24	WLK251017C00075000
70 C	8.70	+2.35%	16	30	06-06	WLK251017C00070000
65 C	0	0%	0			WLK251017C00065000
60 C	0	0%	0			WLK251017C00060000
55 C	0	0%	0			WLK251017C00055000
50 C	0	0%	0			WLK251017C00050000
45 C	0	0%	0			WLK251017C00045000
40 C	0	0%	0			WLK251017C00040000

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
170 P	0	0%	0			WLK251017P00170000
165 P	0	0%	0			WLK251017P00165000
160 P	0	0%	0			WLK251017P00160000
155 P	0	0%	0			WLK251017P00155000
150 P	0	0%	0			WLK251017P00150000
145 P	0	0%	0			WLK251017P00145000
140 P	0	0%	0			WLK251017P00140000
135 P	55.00	+116.62%	1	1	05-05	WLK251017P00135000
130 P	0	0%	0			WLK251017P00130000
125 P	0	0%	0			WLK251017P00125000
120 P	0	0%	0			WLK251017P00120000
115 P	0	0%	0			WLK251017P00115000
110 P	8.50	0%	1	1	02-25	WLK251017P00110000
105 P	8.40	0%	1	1	02-24	WLK251017P00105000
100 P	29.92	+236.18%	14	8	05-30	WLK251017P00100000
95 P	0	0%	0			WLK251017P00095000
90 P	0	0%	0			WLK251017P00090000
85 P	10.00	+165.96%	20	6	05-02	WLK251017P00085000
80 P	8.80	-4.35%	13	2,030	06-27	WLK251017P00080000
75 P	2.70	-12.90%	34	321	07-29	WLK251017P00075000
70 P	1.90	-56.82%	10	45	07-17	WLK251017P00070000
65 P	1.82	-54.50%	1	30	07-30	WLK251017P00065000
60 P	1.12	+64.71%	1	43	07-30	WLK251017P00060000
55 P	0.95	0%	1	1	05-14	WLK251017P00055000
50 P	1.30	0%	1	1	05-21	WLK251017P00050000
45 P	0	0%	0			WLK251017P00045000
40 P	0.40	0%	1	1	05-28	WLK251017P00040000

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