Westlake Chemical (WLKP)

Last Price21.20

Change-0.48 (-2.21%)

NYSE · Last Trade: Nov 15th, 12:09 PM EST

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Historical Prices For Westlake Chemical (WLKP)

Date Range:

2026-08-15 - 2026-11-15

Date	Open	High	Low	Close	Volume	Adjusted Close
11/13/2026	21.11	21.34	20.78	21.20	26,566	21.20
11/12/2026	21.54	21.73	21.40	21.68	23,145	21.21
11/11/2026	21.40	21.83	21.20	21.42	21,369	20.95
11/10/2026	21.04	21.49	21.04	21.37	13,086	20.91
11/09/2026	21.10	21.32	21.01	21.01	28,584	20.55
11/06/2026	21.24	21.49	21.00	21.19	31,995	20.73
11/05/2026	21.51	21.69	21.18	21.35	43,007	20.89
11/04/2026	22.00	22.00	21.42	21.61	11,776	21.14
11/03/2026	21.74	21.96	21.50	21.78	6,343	21.31
11/02/2026	21.35	21.97	21.29	21.82	13,909	21.35
10/30/2026	21.10	21.75	21.06	21.26	42,776	20.80
10/29/2026	21.05	21.19	21.00	21.13	17,802	20.67
10/28/2026	21.17	21.28	21.01	21.14	8,550	20.68
10/27/2026	21.27	21.30	21.01	21.15	13,326	20.69
10/26/2026	21.10	21.26	20.92	21.13	9,345	20.67
10/23/2026	21.04	21.23	20.81	21.15	10,406	20.69
10/22/2026	20.87	21.10	20.86	20.96	11,664	20.50
10/21/2026	21.09	21.20	20.82	20.87	14,327	20.42
10/20/2026	21.01	21.24	20.89	21.05	18,274	20.59
10/19/2026	20.87	21.02	20.76	20.91	12,470	20.46
10/16/2026	20.78	20.95	20.65	20.80	30,523	20.35
10/15/2026	21.00	21.20	20.84	20.84	13,468	20.39
10/14/2026	21.09	21.10	20.90	20.92	15,844	20.47
10/13/2026	21.00	21.30	21.00	21.10	21,876	20.64
10/12/2026	21.01	21.18	21.01	21.08	22,744	20.62
10/09/2026	21.38	21.48	21.15	21.19	15,695	20.73
10/08/2026	21.40	21.41	21.18	21.41	25,395	20.94
10/07/2026	21.50	21.68	21.31	21.38	15,587	20.92
10/06/2026	21.48	21.70	21.41	21.59	52,526	21.12
10/05/2026	21.22	21.45	21.19	21.42	16,464	20.95
10/02/2026	21.46	21.56	21.07	21.27	20,749	20.81
10/01/2026	21.15	21.54	21.00	21.26	47,671	20.80
9/30/2026	21.39	21.55	21.18	21.20	23,651	20.74
9/29/2026	21.60	21.60	21.40	21.43	9,551	20.96
9/28/2026	21.70	21.72	21.52	21.55	9,948	21.08
9/25/2026	21.51	21.60	21.27	21.60	11,183	21.13
9/24/2026	21.52	21.56	21.30	21.51	24,047	21.04
9/23/2026	21.31	21.47	21.14	21.35	18,857	20.89
9/22/2026	21.37	21.62	21.27	21.38	28,542	20.92
9/21/2026	21.23	21.32	21.15	21.29	31,343	20.83
9/18/2026	21.33	21.36	21.22	21.22	18,509	20.76
9/17/2026	21.21	21.51	21.21	21.33	21,551	20.87
9/16/2026	21.30	21.70	21.25	21.28	22,536	20.82
9/15/2026	21.55	21.63	21.36	21.48	27,224	21.01
9/14/2026	21.47	21.93	21.31	21.48	21,473	21.01
9/11/2026	21.61	21.72	21.42	21.52	10,665	21.05
9/10/2026	21.75	21.85	21.44	21.47	33,107	21.00
9/09/2026	21.84	21.84	21.52	21.67	5,192	21.20
9/08/2026	21.80	21.90	21.68	21.74	20,931	21.27
9/04/2026	21.83	22.08	21.70	21.88	12,319	21.40
9/03/2026	21.85	22.20	21.80	21.93	48,342	21.45
9/02/2026	21.74	22.30	21.74	22.11	26,199	21.63
9/01/2026	21.48	21.87	21.48	21.73	11,594	21.26
8/31/2026	21.64	21.78	21.50	21.64	21,383	21.17
8/28/2026	21.95	21.99	21.52	21.63	29,408	21.16
8/27/2026	21.78	21.99	21.60	21.73	30,551	21.26
8/26/2026	21.74	21.86	21.48	21.69	29,022	21.22
8/25/2026	21.65	21.73	21.51	21.62	15,909	21.15
8/24/2026	21.57	21.74	21.39	21.48	9,301	21.01
8/21/2026	21.52	21.70	21.26	21.56	28,059	21.09
8/20/2026	21.56	21.75	21.40	21.53	20,563	21.06
8/19/2026	21.96	21.96	21.60	21.72	54,085	21.25
8/18/2026	21.52	21.79	21.52	21.70	23,968	21.23
8/17/2026	21.71	21.88	21.42	21.66	27,789	21.19