Westlake Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Mar 9, 2026	102.18	107.45	100.54	106.43	-	3.14%	973,876
Mar 6, 2026	104.00	106.10	99.34	103.19	103.19	-2.20%	1,486,278
Mar 5, 2026	107.50	112.21	104.84	105.51	105.51	-0.58%	1,999,551
Mar 4, 2026	105.31	106.39	101.67	106.13	106.13	3.12%	1,031,827
Mar 3, 2026	103.49	104.86	99.60	102.92	102.92	-3.62%	1,569,422
Mar 2, 2026	103.32	108.88	102.70	106.79	106.26	1.34%	1,758,808
Feb 27, 2026	98.20	106.00	97.90	105.38	104.86	5.02%	1,287,594
Feb 26, 2026	102.57	103.67	99.11	100.34	99.84	-2.67%	899,228
Feb 25, 2026	106.36	106.66	101.56	103.09	102.58	-1.04%	1,689,360
Feb 24, 2026	102.72	107.99	97.83	104.17	103.65	11.99%	2,388,247
Feb 23, 2026	93.84	95.23	91.76	93.02	92.56	-1.46%	1,303,280
Feb 20, 2026	94.10	96.26	92.69	94.40	93.93	-0.69%	1,050,634
Feb 19, 2026	98.54	100.00	93.10	95.06	94.59	-4.49%	1,528,666
Feb 18, 2026	98.95	100.77	97.52	99.53	99.04	1.75%	1,006,156
Feb 17, 2026	99.58	101.30	96.48	97.82	97.33	-2.26%	1,385,834
Feb 13, 2026	98.50	101.35	97.31	100.08	99.58	1.37%	820,900
Feb 12, 2026	100.69	103.00	96.68	98.73	98.24	-1.62%	1,183,580
Feb 11, 2026	98.56	102.98	98.56	100.36	99.86	1.25%	1,850,467
Feb 10, 2026	97.03	100.24	96.34	99.12	98.63	2.74%	1,218,654
Feb 9, 2026	94.10	96.60	93.55	96.48	96.00	0.57%	984,301
Feb 6, 2026	94.09	96.31	93.18	95.93	95.45	4.08%	1,094,709
Feb 5, 2026	94.17	95.25	90.32	92.17	91.71	-3.99%	1,574,263
Feb 4, 2026	93.05	98.06	93.05	96.00	95.52	5.61%	2,645,719
Feb 3, 2026	84.53	91.59	84.52	90.90	90.45	8.51%	2,029,464
Feb 2, 2026	79.89	84.27	78.61	83.77	83.35	5.61%	1,571,912
Jan 30, 2026	80.58	82.05	77.58	79.32	78.93	-2.75%	2,094,834
Jan 29, 2026	82.10	82.69	78.44	81.56	81.16	-0.39%	1,370,200
Jan 28, 2026	82.49	83.00	80.99	81.88	81.47	0.24%	1,180,003
Jan 27, 2026	83.52	84.55	81.65	81.68	81.27	-2.95%	1,252,107
Jan 26, 2026	85.59	85.95	83.49	84.16	83.74	-1.24%	1,403,092
Jan 23, 2026	86.90	87.39	85.08	85.22	84.80	-1.76%	1,279,468
Jan 22, 2026	87.09	89.85	86.20	86.75	86.32	0.08%	987,583
Jan 21, 2026	84.99	87.97	84.32	86.68	86.25	3.29%	1,826,427
Jan 20, 2026	86.30	86.30	83.30	83.92	83.50	-4.50%	1,107,939
Jan 16, 2026	86.63	88.88	86.63	87.87	87.43	-0.49%	904,946
Jan 15, 2026	90.82	91.08	86.27	88.30	87.86	-1.73%	2,111,433
Jan 14, 2026	85.63	90.19	85.07	89.85	89.40	5.71%	1,600,484
Jan 13, 2026	85.72	86.48	84.48	85.00	84.58	0.07%	1,179,733
Jan 12, 2026	83.00	85.13	82.63	84.94	84.52	2.09%	2,078,892
Jan 9, 2026	79.90	83.30	78.42	83.20	82.79	4.61%	1,622,700
Jan 8, 2026	73.86	81.55	73.50	79.53	79.14	6.79%	1,759,316
Jan 7, 2026	77.86	78.63	73.95	74.47	74.10	-3.82%	1,640,436
Jan 6, 2026	74.90	78.34	74.39	77.43	77.05	3.27%	1,358,350
Jan 5, 2026	73.90	77.33	73.90	74.98	74.61	1.12%	1,005,445
Jan 2, 2026	74.57	75.17	72.69	74.15	73.78	0.28%	919,751
Dec 31, 2025	74.81	75.22	73.50	73.94	73.57	-1.26%	839,226
Dec 30, 2025	74.42	75.45	74.29	74.88	74.51	0.67%	944,983
Dec 29, 2025	73.01	74.68	72.96	74.38	74.01	0.85%	1,186,678
Dec 26, 2025	73.63	74.01	73.18	73.75	73.38	0.10%	704,445
Dec 24, 2025	73.61	74.12	72.84	73.68	73.31	0.53%	313,866
Dec 23, 2025	74.04	74.33	71.87	73.29	72.93	-1.48%	1,328,051
Dec 22, 2025	72.57	74.60	72.26	74.39	74.02	2.62%	928,142
Dec 19, 2025	75.44	75.44	71.79	72.49	72.13	-3.06%	1,786,703
Dec 18, 2025	74.40	75.66	73.34	74.78	74.41	1.08%	1,514,520
Dec 17, 2025	73.20	75.44	73.08	73.98	73.61	0.87%	1,921,705
Dec 16, 2025	73.00	74.42	72.06	73.34	72.98	-0.39%	2,460,019
Dec 15, 2025	76.02	76.33	71.27	73.63	73.26	-1.03%	3,755,898
Dec 12, 2025	75.28	75.40	73.61	74.40	74.03	-0.69%	1,944,497
Dec 11, 2025	72.61	75.09	72.23	74.92	74.55	3.01%	1,960,492
Dec 10, 2025	68.67	72.85	68.26	72.73	72.37	6.27%	1,752,653
Dec 9, 2025	68.69	71.03	68.42	68.44	68.10	1.21%	1,464,185
Dec 8, 2025	67.80	69.13	66.92	67.62	67.28	-0.59%	1,580,078
Dec 5, 2025	68.24	70.34	67.53	68.02	67.68	0.07%	1,488,022
Dec 4, 2025	68.66	69.17	67.28	67.97	67.63	-1.08%	2,100,790
Dec 3, 2025	66.70	70.31	66.45	68.71	68.37	3.17%	1,538,510
Dec 2, 2025	67.52	67.73	66.09	66.60	66.27	-1.46%	1,249,305
Dec 1, 2025	65.50	70.06	65.50	67.59	67.25	1.17%	2,362,303
Nov 28, 2025	64.71	66.97	64.66	66.81	66.48	3.23%	1,050,631
Nov 26, 2025	62.84	65.22	62.78	64.72	64.40	2.94%	1,524,243
Nov 25, 2025	60.88	63.55	60.70	62.87	62.56	3.71%	2,194,286
Nov 24, 2025	58.86	61.04	58.62	60.62	59.79	2.69%	3,632,069
Nov 21, 2025	56.90	60.92	56.83	59.03	58.22	4.70%	1,929,088
Nov 20, 2025	57.88	59.37	56.33	56.38	55.61	-1.95%	1,914,968
Nov 19, 2025	58.34	58.84	56.85	57.50	56.71	-1.96%	1,869,651
Nov 18, 2025	59.05	59.68	57.43	58.65	57.85	-0.68%	1,410,319
Nov 17, 2025	62.56	62.77	58.58	59.05	58.24	-5.61%	1,037,767
Nov 14, 2025	64.26	64.26	62.39	62.56	61.71	-3.62%	858,458
Nov 13, 2025	62.69	65.68	62.69	64.91	64.02	3.34%	1,985,722
Nov 12, 2025	63.45	64.58	62.30	62.81	61.95	-1.01%	1,189,170
Nov 11, 2025	65.81	66.28	62.94	63.45	62.58	-2.65%	1,418,831
Nov 10, 2025	65.85	65.85	64.21	65.18	64.29	0.35%	1,203,104
Nov 7, 2025	64.00	65.53	63.89	64.95	64.06	0.76%	875,400
Nov 6, 2025	65.92	66.30	64.33	64.46	63.58	-2.13%	1,114,723
Nov 5, 2025	66.54	67.50	65.38	65.86	64.96	-1.38%	931,887
Nov 4, 2025	67.46	68.19	66.76	66.78	65.87	-2.20%	874,025
Nov 3, 2025	69.00	70.62	67.87	68.28	67.35	-0.77%	1,565,976
Oct 31, 2025	67.91	69.52	67.33	68.81	67.87	0.76%	1,949,490
Oct 30, 2025	69.52	72.82	65.77	68.29	67.36	-7.05%	3,359,807
Oct 29, 2025	76.64	76.64	73.12	73.47	72.47	-3.89%	1,992,741
Oct 28, 2025	77.84	78.87	75.80	76.44	75.40	-4.13%	1,167,076
Oct 27, 2025	79.57	80.04	79.20	79.73	78.64	0.64%	598,746
Oct 24, 2025	79.65	80.28	78.90	79.22	78.14	0.55%	891,770
Oct 23, 2025	78.13	79.24	76.60	78.79	77.71	4.57%	1,253,144
Oct 22, 2025	76.52	77.69	75.08	75.35	74.32	-2.02%	1,176,808
Oct 21, 2025	75.34	77.04	74.58	76.90	75.85	2.00%	1,086,159
Oct 20, 2025	75.83	76.20	74.91	75.39	74.36	0.19%	664,781
Oct 17, 2025	76.00	76.20	74.70	75.25	74.22	-1.05%	989,482
Oct 16, 2025	77.62	77.89	75.36	76.05	75.01	-1.66%	909,069
Oct 15, 2025	78.23	79.08	77.09	77.33	76.27	-0.59%	1,359,222
Oct 14, 2025	75.10	78.04	74.29	77.79	76.73	0.08%	1,009,693