Westlake Corporation - WLK - Stock Historical Data & Price

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
February 20, 2026	94.1	94.4	94.4	96.26	92.69	1.05M
February 19, 2026	98.54	95.06	95.06	100	93.1	1.53M
February 18, 2026	98.95	99.53	99.53	100.77	97.52	1.01M
February 17, 2026	99.58	97.82	97.82	101.3	96.48	1.39M
February 13, 2026	98.5	100.08	100.08	101.35	97.31	820,900
February 12, 2026	100.69	98.73	98.73	103	96.68	1.18M
February 11, 2026	98.56	100.36	100.36	102.98	98.56	1.85M
February 10, 2026	97.03	99.12	99.12	100.24	96.34	1.22M
February 09, 2026	94.1	96.48	96.48	96.6	93.55	984,301
February 06, 2026	94.09	95.93	95.93	96.31	93.18	1.09M
February 05, 2026	94.17	92.17	92.17	95.25	90.32	1.57M
February 04, 2026	93.05	96	96	98.06	93.05	2.65M
February 03, 2026	84.53	90.9	90.9	91.59	84.52	2.03M
February 02, 2026	79.89	83.77	83.77	84.27	78.61	1.57M
January 30, 2026	80.58	79.32	79.32	82.05	77.58	2.09M
January 29, 2026	82.1	81.56	81.56	82.69	78.44	1.37M
January 28, 2026	82.49	81.88	81.88	83	80.99	1.18M
January 27, 2026	83.52	81.68	81.68	84.55	81.65	1.25M
January 26, 2026	85.59	84.16	84.16	85.95	83.49	1.4M
January 23, 2026	86.9	85.22	85.22	87.39	85.08	1.28M
January 22, 2026	87.09	86.75	86.75	89.85	86.2	987,600
January 21, 2026	84.99	86.68	86.68	87.97	84.32	1.83M
January 20, 2026	86.3	83.92	83.92	86.3	83.3	1.11M
January 16, 2026	86.63	87.87	87.87	88.88	86.63	734,040
January 15, 2026	90.82	88.3	88.3	91.08	86.27	2.11M
January 14, 2026	85.63	89.85	89.85	90.19	85.07	1.6M
January 13, 2026	85.72	85	85	86.48	84.48	1.18M
January 12, 2026	83	84.94	84.94	85.13	82.63	2.08M
January 09, 2026	79.9	83.2	83.2	83.3	78.42	1.62M
January 08, 2026	73.86	79.53	79.53	81.55	73.5	1.76M
January 07, 2026	77.86	74.47	74.47	78.63	73.95	1.64M
January 06, 2026	74.9	77.43	77.43	78.33	74.39	1.36M
January 05, 2026	73.9	74.98	74.98	77.33	73.9	1.01M
January 02, 2026	74.57	74.15	74.15	75.17	72.69	919,800
December 31, 2025	74.81	73.94	73.94	75.22	73.5	839,226
December 30, 2025	74.42	74.87	74.87	75.44	74.29	945,000
December 29, 2025	73.01	74.38	74.38	74.68	72.96	1.19M
December 26, 2025	73.63	73.75	73.75	74.01	73.18	704,445
December 24, 2025	73.61	73.68	73.68	74.12	72.84	313,900
December 23, 2025	74.04	73.29	73.29	74.33	71.87	1.33M
December 22, 2025	72.57	74.39	74.39	74.6	72.26	928,142
December 19, 2025	75.44	72.49	72.49	75.44	71.79	1.79M
December 18, 2025	74.4	74.78	74.78	75.66	73.34	1.51M
December 17, 2025	73.2	73.98	73.98	75.44	73.08	1.92M
December 16, 2025	73	73.34	73.34	74.42	72.06	2.46M
December 15, 2025	76.02	73.63	73.63	76.33	71.27	3.76M
December 12, 2025	75.28	74.4	74.4	75.4	73.61	1.94M
December 11, 2025	72.61	74.92	74.92	75.09	72.23	1.96M
December 10, 2025	68.67	72.73	72.73	72.85	68.26	1.75M
December 09, 2025	68.69	68.44	68.44	71.03	68.42	1.46M
December 08, 2025	67.8	67.62	67.62	69.13	66.92	1.58M
December 05, 2025	68.24	68.02	68.02	70.34	67.53	1.49M
December 04, 2025	68.66	67.97	67.97	69.17	67.28	1.92M
December 03, 2025	66.7	68.71	68.71	70.31	66.45	1.54M
December 02, 2025	67.52	66.6	66.6	67.72	66.08	1.25M
December 01, 2025	65.5	67.59	67.59	70.06	65.5	2.36M
November 28, 2025	64.71	66.81	66.81	66.97	64.66	1.05M
November 26, 2025	62.84	64.72	64.72	65.22	62.78	1.52M
November 25, 2025	60.88	62.87	62.87	63.55	60.7	2.19M
November 24, 2025	58.86	60.62	60.09	61.04	58.62	3.63M

Westlake Corporation (WLK) NYSE