Westlake Corporation (WLK) NYSE

Currency In USD

WLK Historical Return

If you invested $1000 in Westlake Corporation (WLK) 10 years ago, it would be worth $2,017.86 as of June 23, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $913.94, while $1000 invested 1 year ago would be worth $1,081.29. This corresponds to total returns of 101.79%, -8.61%, 8.13%, respectively, with annualized returns of 7.27%, -1.78%, 8.13%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

WLK Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
June 22, 2026	79.29	77.95	77.95	79.69	77.27	1.03M
June 18, 2026	82.94	80.28	80.28	83.09	80.09	1.73M
June 17, 2026	83.67	83.48	83.48	87.27	83.23	736,411
June 16, 2026	86.89	84.33	84.33	87.66	83.92	1.12M
June 15, 2026	87.65	87.45	87.45	88.76	86.16	620,332
June 12, 2026	87.45	88.5	88.5	89.47	86.53	770,813
June 11, 2026	88.43	87.27	87.27	89.23	86.43	531,732
June 10, 2026	86.5	87.12	87.12	88.99	85.81	1.18M
June 09, 2026	85.63	86.11	86.11	86.92	84.38	1.18M
June 08, 2026	84.38	85.26	85.26	85.78	83.75	914,802
June 05, 2026	84.29	84.64	84.64	85.34	82.98	792,745
June 04, 2026	86.29	85.25	85.25	87.04	84.37	736,343
June 03, 2026	86.46	86.39	86.39	87.9	85.75	847,974
June 02, 2026	86.31	86.83	86.83	87.93	85.89	722,187
June 01, 2026	87.5	86.38	86.38	88.99	86.34	916,470
May 29, 2026	87.5	86.83	86.83	87.81	86.08	915,783
May 28, 2026	87.45	87.67	87.67	88.7	87.14	857,547
May 27, 2026	86.91	87.81	87.81	89.37	86.39	1.05M
May 26, 2026	88.77	88.77	88.77	89.39	88.06	693,064
May 22, 2026	88.76	88.6	88.6	89.98	87.14	172,044
May 21, 2026	88.73	88.1	88.1	89.13	86.54	873,286
May 20, 2026	88.47	88.5	88.5	89.49	87.75	721,910
May 19, 2026	89.98	88.66	88.66	91.23	88.15	876,854
May 18, 2026	90.22	91.46	91.46	93.18	88.57	1.47M
May 15, 2026	91.19	88.59	88.59	91.53	88.33	1.87M
May 14, 2026	93.65	91.53	91.53	94.39	91.5	1M
May 13, 2026	97.34	92.27	92.27	98.3	92.26	1.02M
May 12, 2026	99.02	96.54	96.54	99.51	96.44	1.02M
May 11, 2026	94.88	97.56	97.56	98.95	93.86	1.5M
May 08, 2026	97.88	93.85	93.85	98.47	93.42	1.4M
May 07, 2026	98.95	97.38	97.38	100.05	97.1	1.41M
May 06, 2026	99.47	99.92	99.92	102.57	98.66	2.17M
May 05, 2026	102.7	104.78	104.78	106.93	101.23	1.8M
May 04, 2026	115.52	114.87	114.87	116.26	112.4	1.2M
May 01, 2026	115.75	114.99	114.99	117.05	114.78	1.16M
April 30, 2026	111.49	115.28	115.28	115.71	111.19	937,518
April 29, 2026	112.09	111.41	111.41	112.48	110.48	929,956
April 28, 2026	112.41	110.35	110.35	112.86	109.14	692,833
April 27, 2026	111.91	111.19	111.19	113.66	109.42	794,552
April 24, 2026	112	110.64	110.64	113.48	109.68	836,062
April 23, 2026	114.35	112.25	112.25	115.6	110.58	982,871
April 22, 2026	117.47	114.28	114.28	117.66	113.5	1.09M
April 21, 2026	112.93	115.65	115.65	115.88	112.15	854,569
April 20, 2026	111.72	113.88	113.88	115.6	111.72	885,663
April 17, 2026	114	112.61	112.61	114.51	110.79	1.49M
April 16, 2026	116.73	119	119	119.23	116.41	1.08M
April 15, 2026	118.13	115.25	115.25	118.41	114.43	951,286
April 14, 2026	119.49	117.93	117.93	119.97	115.01	935,326
April 13, 2026	120	120.15	120.15	121.94	118.5	870,966
April 10, 2026	118.97	118.37	118.37	120.81	117.5	908,300
April 09, 2026	120.99	117.21	117.21	122.53	116.26	1.27M
April 08, 2026	114.25	120.81	120.81	120.88	113.33	1.53M
April 07, 2026	120.52	123.39	123.39	124.23	119.44	1.03M
April 06, 2026	117.61	119.53	119.53	119.6	116.37	1.04M
April 02, 2026	116.6	119.4	119.4	120	114.49	934,017
April 01, 2026	117	116.58	116.58	119.35	115.43	1.06M
March 31, 2026	116.75	116.82	116.82	119.69	114.49	1.03M
March 30, 2026	115.11	116	116	117.17	113.59	2.03M
March 27, 2026	111.8	113.29	113.29	114.43	111.8	912,481
March 26, 2026	113.63	113.46	113.46	115.94	112.56	1.04M