Westlake Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Apr 2, 2026	116.60	120.00	114.49	118.67	-	1.79%	279,181
Apr 1, 2026	117.00	119.35	115.43	116.58	116.58	-0.21%	1,061,336
Mar 31, 2026	116.75	119.69	114.47	116.82	116.82	0.71%	1,229,333
Mar 30, 2026	115.11	117.17	113.59	116.00	116.00	2.39%	2,027,356
Mar 27, 2026	111.80	114.44	111.80	113.29	113.29	-0.15%	1,081,166
Mar 26, 2026	113.63	115.94	112.56	113.46	113.46	-0.67%	1,035,059
Mar 25, 2026	114.41	116.19	113.23	114.22	114.22	0.11%	1,119,432
Mar 24, 2026	107.94	115.13	107.07	114.09	114.09	5.15%	1,077,963
Mar 23, 2026	107.79	111.47	107.00	108.50	108.50	2.24%	1,549,760
Mar 20, 2026	111.80	112.41	105.48	106.12	106.12	-4.59%	1,516,059
Mar 19, 2026	110.89	112.67	109.40	111.23	111.23	-1.22%	946,387
Mar 18, 2026	113.12	115.78	112.56	112.60	112.60	1.04%	1,322,513
Mar 17, 2026	111.25	114.97	110.18	111.44	111.44	0.59%	1,213,537
Mar 16, 2026	111.25	113.10	110.00	110.79	110.79	-1.12%	1,324,190
Mar 13, 2026	115.00	116.46	111.50	112.04	112.04	-1.91%	1,598,529
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