Westlake Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Jan 9, 2026	79.90	83.24	78.42	83.20	83.20	4.61%	1,355,924
Jan 8, 2026	73.86	81.55	73.50	79.53	79.53	6.79%	1,757,514
Jan 7, 2026	77.86	78.63	73.95	74.47	74.47	-3.82%	1,640,435
Jan 6, 2026	74.90	78.34	74.39	77.43	77.43	3.27%	1,358,168
Jan 5, 2026	73.90	77.33	73.90	74.98	74.98	1.12%	1,005,445
Jan 2, 2026	74.57	75.17	72.69	74.15	74.15	0.28%	919,544
Dec 31, 2025	74.81	75.22	73.50	73.94	73.94	-1.26%	839,206
Dec 30, 2025	74.42	75.45	74.29	74.88	74.88	0.67%	919,794
Dec 29, 2025	73.01	74.68	72.96	74.38	74.38	0.85%	1,167,633
Dec 26, 2025	73.63	74.01	73.18	73.75	73.75	0.10%	704,445
Dec 24, 2025	73.61	74.12	72.84	73.68	73.68	0.53%	313,864
Dec 23, 2025	74.04	74.33	71.87	73.29	73.29	-1.48%	1,328,051
Dec 22, 2025	72.57	74.60	72.26	74.39	74.39	2.62%	928,142
Dec 19, 2025	75.44	75.44	71.79	72.49	72.49	-3.06%	1,764,346
Dec 18, 2025	74.40	75.66	73.34	74.78	74.78	1.08%	1,514,520
Dec 17, 2025	73.20	75.44	73.08	73.98	73.98	0.87%	1,921,705
Dec 16, 2025	73.00	74.42	72.06	73.34	73.34	-0.39%	2,460,019
Dec 15, 2025	76.02	76.33	71.27	73.63	73.63	-1.03%	3,755,898
Dec 12, 2025	75.28	75.40	73.61	74.40	74.40	-0.69%	1,944,497
Dec 11, 2025	72.61	75.09	72.23	74.92	74.92	3.01%	1,960,492
Dec 10, 2025	68.67	72.85	68.26	72.73	72.73	6.27%	1,752,653
Dec 9, 2025	68.69	71.03	68.42	68.44	68.44	1.21%	1,464,185
Dec 8, 2025	67.80	69.13	66.92	67.62	67.62	-0.59%	1,580,078
Dec 5, 2025	68.24	70.34	67.53	68.02	68.02	0.07%	1,488,022
Dec 4, 2025	68.66	69.17	67.28	67.97	67.97	-1.08%	2,100,790
Dec 3, 2025	66.70	70.31	66.45	68.71	68.71	3.17%	1,538,510
Dec 2, 2025	67.52	67.73	66.09	66.60	66.60	-1.46%	1,249,305
Dec 1, 2025	65.50	70.06	65.50	67.59	67.59	1.17%	2,362,303
Nov 28, 2025	64.71	66.97	64.66	66.81	66.81	3.23%	1,050,631
Nov 26, 2025	62.84	65.22	62.78	64.72	64.72	2.94%	1,524,243
Nov 25, 2025	60.88	63.55	60.70	62.87	62.87	3.71%	2,194,286
Nov 24, 2025	58.86	61.04	58.62	60.62	60.09	2.69%	3,632,069
Nov 21, 2025	56.90	60.92	56.83	59.03	58.51	4.70%	1,929,088
Nov 20, 2025	57.88	59.37	56.33	56.38	55.89	-1.95%	1,914,968
Nov 19, 2025	58.34	58.84	56.85	57.50	57.00	-1.96%	1,869,651
Nov 18, 2025	59.05	59.68	57.43	58.65	58.14	-0.68%	1,410,319
Nov 17, 2025	62.56	62.77	58.58	59.05	58.53	-5.61%	1,037,767
Nov 14, 2025	64.26	64.26	62.39	62.56	62.01	-3.62%	858,458
Nov 13, 2025	62.69	65.68	62.69	64.91	64.34	3.34%	1,985,722
Nov 12, 2025	63.45	64.58	62.30	62.81	62.26	-1.01%	1,189,170
Nov 11, 2025	65.81	66.28	62.94	63.45	62.90	-2.65%	1,418,831
Nov 10, 2025	65.85	65.85	64.21	65.18	64.61	0.35%	1,203,104
Nov 7, 2025	64.00	65.53	63.89	64.95	64.38	0.76%	875,400
Nov 6, 2025	65.92	66.30	64.33	64.46	63.90	-2.13%	1,114,723
Nov 5, 2025	66.54	67.50	65.38	65.86	65.28	-1.38%	931,887
Nov 4, 2025	67.46	68.19	66.76	66.78	66.20	-2.20%	874,025
Nov 3, 2025	69.00	70.62	67.87	68.28	67.68	-0.77%	1,565,976
Oct 31, 2025	67.91	69.52	67.33	68.81	68.21	0.76%	1,949,490
Oct 30, 2025	69.52	72.82	65.77	68.29	67.69	-7.05%	3,359,807
Oct 29, 2025	76.64	76.64	73.12	73.47	72.83	-3.89%	1,992,741