Westlake Chemical Partners LP (WLKP) NYSE

Currency In USD

WLKP Historical Return

If you invested $1000 in Westlake Chemical Partners LP (WLKP) 10 years ago, it would be worth $1,931.9 as of September 11, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,222.22, while $1000 invested 1 year ago would be worth $1,034.55. This corresponds to total returns of 93.19%, 22.22%, 3.45%, respectively, with annualized returns of 6.8%, 4.1%, 3.45%.

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

WLKP Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
September 11, 2026	21.61	21.52	21.52	21.72	21.42	10,664
September 10, 2026	21.75	21.47	21.47	21.85	21.44	33,107
September 09, 2026	21.84	21.67	21.67	21.84	21.52	5,191
September 08, 2026	21.8	21.74	21.74	21.9	21.68	20,931
September 04, 2026	21.83	21.88	21.88	22.08	21.7	12,318
September 03, 2026	21.85	21.93	21.93	22.2	21.8	48,340
September 02, 2026	21.74	22.11	22.11	22.3	21.74	26,198
September 01, 2026	21.48	21.73	21.73	21.87	21.48	11,593
August 31, 2026	21.64	21.64	21.64	21.78	21.5	21,383
August 28, 2026	21.95	21.63	21.63	21.99	21.52	29,406
August 27, 2026	21.78	21.73	21.73	21.99	21.6	30,379
August 26, 2026	21.74	21.69	21.69	21.86	21.48	29,022
August 25, 2026	21.65	21.62	21.62	21.74	21.51	15,908
August 24, 2026	21.57	21.48	21.48	21.74	21.39	9,301
August 21, 2026	21.52	21.56	21.56	21.7	21.26	28,058
August 20, 2026	21.56	21.53	21.53	21.75	21.4	20,562
August 19, 2026	21.96	21.72	21.72	21.96	21.6	54,084
August 18, 2026	21.52	21.7	21.7	21.79	21.52	23,966
August 17, 2026	21.71	21.66	21.66	21.88	21.42	27,788
August 14, 2026	21.54	21.7	21.7	21.75	21.54	24,378
August 13, 2026	21.62	21.67	21.67	21.8	21.33	26,849
August 12, 2026	21.55	22.06	22.06	22.1	21.52	69,265
August 11, 2026	21.68	21.57	21.57	21.84	21.55	18,933
August 10, 2026	21.79	21.68	21.68	21.88	21.56	30,418
August 07, 2026	21.37	21.66	21.66	21.76	21.35	32,498
August 06, 2026	21.26	21.35	21.35	21.95	21.26	73,081
August 05, 2026	21.36	21.27	21.27	21.48	21.22	47,513
August 04, 2026	21.43	21.3	21.3	21.6	20.98	87,553
August 03, 2026	21.83	21.27	21.27	21.87	21.27	81,928
July 31, 2026	21.91	21.64	21.64	21.91	21.27	50,579
July 30, 2026	21.8	21.73	21.73	22.07	21.57	33,456
July 29, 2026	22.05	21.9	21.9	22.2	21.81	14,991
July 28, 2026	22	22.03	22.03	22.2	21.75	27,055
July 27, 2026	22.16	21.85	21.85	22.24	21.72	47,816
July 23, 2026	21.87	22.01	22.01	22.25	21.87	27,247
July 22, 2026	21.92	22.04	22.04	22.26	21.92	22,505
July 21, 2026	21.91	22.03	22.03	22.18	21.79	24,107
July 20, 2026	22.01	22	22	22.2	21.84	35,883
July 17, 2026	21.89	22.01	22.01	22.2	21.87	35,097
July 16, 2026	21.77	21.79	21.79	22.25	21.7	107,693
July 15, 2026	21.85	21.9	21.9	22.24	21.77	26,111
July 14, 2026	22.05	22.04	22.04	22.31	21.75	13,430
July 13, 2026	21.81	22.09	22.09	22.44	21.81	21,476
July 10, 2026	22.21	21.96	21.96	22.52	21.86	25,465
July 09, 2026	22.29	22.15	22.15	22.54	21.7	47,001
July 08, 2026	22.38	22.29	22.29	22.38	22.22	12,581
July 07, 2026	22.11	22.29	22.29	22.32	22.1	12,074
July 06, 2026	22.19	22.1	22.1	22.45	22.02	60,373
July 02, 2026	22.49	22.36	22.36	22.52	22.26	10,528
July 01, 2026	22.37	22.29	22.29	22.89	22.27	18,415
June 30, 2026	22.52	22.26	22.26	22.96	22.26	24,078
June 29, 2026	22.51	22.53	22.53	22.84	22.4	28,754
June 26, 2026	22.41	22.66	22.66	22.93	22.41	10,468
June 25, 2026	22.82	22.53	22.53	22.83	22.53	11,299
June 24, 2026	22.63	22.65	22.65	22.89	22.63	10,008
June 23, 2026	22.62	22.69	22.69	23	22.57	20,876
June 22, 2026	22.26	22.57	22.57	22.77	22.26	39,770
June 18, 2026	22.7	22.6	22.6	22.75	22.58	31,209
June 17, 2026	23.43	22.77	22.77	23.43	22.63	31,376
June 16, 2026	23.25	23.32	23.32	23.39	23.25	15,695