Westlake Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Mar 13, 2026	115.11	115.11	112.00	114.27	-	0.04%	123,471
Mar 12, 2026	107.24	114.65	107.24	114.22	114.22	6.72%	1,622,411
Mar 11, 2026	104.75	107.68	103.54	107.03	107.03	1.89%	1,051,172
Mar 10, 2026	104.81	107.74	103.86	105.04	105.04	-1.22%	927,395
Mar 9, 2026	102.18	107.45	100.54	106.34	106.34	3.05%	1,215,363
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