Westlake Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Feb 11, 2026	100.13	102.54	99.80	100.38	100.38	0.63%	39
Feb 10, 2026	95.44	99.99	95.44	99.75	99.75	3.75%	36
Feb 9, 2026	92.13	96.14	92.13	96.14	96.14	-0.18%	38
Feb 6, 2026	92.34	96.31	92.34	96.31	96.31	6.11%	121
Feb 5, 2026	94.78	94.78	90.77	90.77	90.77	-4.62%	95
Feb 4, 2026	90.95	96.67	90.95	95.16	95.16	7.26%	60
Feb 3, 2026	86.98	91.15	86.02	88.72	88.72	5.91%	117
Feb 2, 2026	79.30	83.77	76.71	83.77	83.77	7.70%	124
Jan 30, 2026	82.29	82.29	77.78	77.78	77.78	-3.74%	55
Jan 29, 2026	82.47	82.47	78.81	80.80	80.80	-0.22%	6
Jan 28, 2026	81.19	82.84	80.98	80.98	80.98	-2.41%	9
Jan 27, 2026	84.28	84.28	82.98	82.98	82.98	-2.63%	1
Jan 26, 2026	87.51	87.51	84.81	85.22	85.22	-3.88%	25
Jan 22, 2026	88.15	88.66	88.15	88.66	88.66	3.09%	64
Jan 21, 2026	83.00	86.00	83.00	86.00	86.00	2.19%	10
Jan 20, 2026	84.69	86.16	84.16	84.16	84.16	-4.68%	43
Jan 16, 2026	91.85	91.85	86.33	88.29	88.29	1.46%	34
Jan 15, 2026	89.12	89.12	87.02	87.02	87.02	-3.30%	26
Jan 14, 2026	87.99	89.99	86.90	89.99	89.99	5.41%	2,182
Jan 13, 2026	86.07	86.07	85.33	85.37	85.37	2.45%	347
Jan 12, 2026	83.00	83.38	82.15	83.33	83.33	2.62%	4
Jan 9, 2026	78.87	81.21	78.87	81.21	81.20	3.46%	79
Jan 8, 2026	74.32	78.49	74.32	78.49	78.49	0.46%	38
Jan 6, 2026	75.58	78.13	75.58	78.13	78.13	1.82%	32
Jan 5, 2026	76.73	76.73	76.73	76.73	76.73	5.05%	10
Jan 2, 2026	73.04	73.62	73.04	73.04	73.04	-1.76%	5
Dec 31, 2025	74.72	74.72	74.35	74.35	74.35	0.27%	174
Dec 29, 2025	73.26	74.15	73.26	74.15	74.15	2.66%	17
Dec 23, 2025	72.23	72.23	72.23	72.23	72.23	-3.01%	4
Dec 19, 2025	74.47	74.47	74.47	74.47	74.47	-0.83%	101
Dec 18, 2025	75.13	75.13	75.10	75.10	75.10	0.08%	-
Dec 17, 2025	73.70	75.04	73.70	75.04	75.04	3.35%	51
Dec 16, 2025	72.61	72.61	72.61	72.61	72.61	-0.23%	-
Dec 15, 2025	75.64	76.04	72.73	72.78	72.78	-1.60%	4
Dec 12, 2025	73.82	75.37	73.82	73.96	73.96	-0.95%	85
Dec 11, 2025	73.39	74.67	73.39	74.67	74.67	6.21%	13
Dec 9, 2025	69.43	70.44	69.43	70.30	70.30	4.29%	7
Dec 8, 2025	67.77	67.77	67.41	67.41	67.41	-3.87%	7
Dec 5, 2025	70.13	70.13	70.13	70.13	70.13	-0.24%	101
Dec 3, 2025	68.26	70.29	68.26	70.29	70.29	6.06%	8
Dec 2, 2025	66.74	66.74	66.27	66.27	66.27	-4.67%	19
Dec 1, 2025	65.98	69.89	65.90	69.52	69.52	4.65%	261
Nov 28, 2025	65.92	66.43	65.80	66.43	66.43	2.90%	1,705
Nov 26, 2025	64.93	64.93	64.56	64.56	64.56	2.96%	1
Nov 25, 2025	63.00	63.29	62.67	62.71	62.71	3.73%	44
Nov 24, 2025	60.06	60.84	58.48	60.45	59.92	-0.53%	36
Nov 21, 2025	58.32	60.78	58.32	60.78	60.24	2.63%	709
Nov 20, 2025	59.22	59.22	59.22	59.22	58.70	2.44%	4
Nov 19, 2025	58.40	58.40	57.49	57.81	57.30	-4.27%	4
Nov 17, 2025	61.95	62.79	60.39	60.39	59.86	-3.35%	92