Westlake Chemical Corp. historical data

1M 3M 6M 1Y 5Y MAX Download CSV

Date	Open	High	Low	Close	Adj. close	Volume
2025-10-14	75.130	75.130	75.100	75.130	73.139	4
2025-10-13	77.065	78.440	76.910	78.440	76.361	53
2025-10-10	78.659	78.659	77.320	77.320	75.271	81
2025-10-09	80.691	80.691	80.380	80.380	78.250	31
2025-10-08	81.743	82.522	81.743	82.522	80.335	7
2025-10-07	80.890	80.890	80.140	80.153	78.029	9
2025-10-06	83.260	83.260	83.260	83.260	81.053	12
2025-10-03	79.759	81.380	79.759	81.380	79.223	18
2025-10-02	78.040	78.040	78.040	78.040	75.972	16
2025-10-01	76.427	76.427	75.700	75.700	73.694	4
2025-09-30	78.730	78.730	75.330	75.330	73.334	287
2025-09-29	77.785	78.500	76.800	77.197	75.151	346
2025-09-26	77.180	77.180	77.180	77.180	75.134	1
2025-09-25	77.894	77.910	76.760	77.445	75.392	28
2025-09-24	79.710	79.980	79.710	79.980	77.860	3
2025-09-23	82.080	82.080	80.600	80.600	78.464	2
2025-09-22	82.440	82.440	81.620	81.620	79.457	3
2025-09-19	84.040	85.540	84.040	84.040	81.812	35
2025-09-18	87.970	87.970	86.725	86.900	84.597	5
2025-09-17	88.700	88.700	88.700	88.700	86.349	7
2025-09-16	87.339	87.339	87.339	87.339	85.024	4
2025-09-15	89.095	89.200	87.910	87.910	85.580	54
2025-09-11	88.126	88.126	88.126	88.126	85.790	50
2025-09-10	85.460	85.460	85.460	85.460	83.195	2
2025-09-09	85.998	86.660	85.998	86.660	84.363	9
2025-09-08	89.110	89.110	86.450	86.450	84.159	380
2025-09-05	89.500	90.515	88.580	90.515	88.116	80
2025-09-04	83.845	87.230	83.845	87.230	84.918	109
2025-09-03	86.460	86.460	86.460	86.460	84.169	3
2025-09-02	86.390	86.600	85.532	85.532	83.265	23
2025-08-29	86.750	88.010	86.360	86.720	84.422	58
2025-08-27	86.930	86.930	85.490	85.490	83.224	17
2025-08-26	86.180	86.730	86.180	86.730	84.431	38
2025-08-22	89.030	90.970	88.644	90.723	88.318	186
2025-08-21	82.000	82.520	81.900	82.311	80.130	7
2025-08-20	85.720	85.720	85.242	85.242	82.983	204
2025-08-19	84.020	84.020	83.756	83.756	81.536	103
2025-08-18	83.890	83.890	83.400	83.659	81.442	22
2025-08-14	86.100	86.100	83.050	84.750	81.981	65
2025-08-13	80.244	80.244	80.244	80.244	77.622	52
2025-08-12	77.060	77.060	77.060	77.060	74.542	2
2025-08-11	79.590	79.590	78.570	78.570	76.003	2
2025-08-08	82.600	82.600	80.200	80.200	77.580	15
2025-08-07	83.845	83.845	83.845	83.845	81.106	14
2025-08-05	79.000	85.114	79.000	83.085	80.371	5,577
2025-08-01	76.640	76.640	76.640	76.640	74.136	13
2025-07-31	77.280	78.010	77.280	78.010	75.461	53
2025-07-30	85.260	85.260	85.260	85.260	82.474	8
2025-07-29	86.940	86.940	85.045	85.045	82.267	7
2025-07-28	84.650	86.205	84.650	86.205	83.389	5
2025-07-25	84.310	84.825	84.310	84.825	82.054	80
2025-07-24	85.395	85.395	84.045	84.045	81.299	906
2025-07-23	86.930	87.120	86.930	87.120	84.274	210
2025-07-22	84.700	85.758	84.700	85.758	82.957	5
2025-07-21	82.360	82.360	82.360	82.360	79.669	3
2025-07-18	83.185	83.185	83.185	83.185	80.467	52
2025-07-17	82.165	82.165	82.165	82.165	79.481	49
2025-07-16	80.975	80.975	80.710	80.710	78.073	16
2025-07-15	84.980	84.980	83.810	83.810	81.072	10
2025-07-14	84.730	84.730	83.040	83.040	80.327	23

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Stock splits

No stock splits on record.

Dividends

Ex-date	Amount
2026-08-25	0.5330 USD
2026-05-27	0.5300 USD
2026-03-02	0.5300 USD
2025-11-24	0.5300 USD
2025-08-18	0.5300 USD
2025-05-20	0.5250 USD
2025-03-03	0.5250 USD
2024-11-26	0.5250 USD
2024-08-20	0.5250 USD
2024-05-20	0.5000 USD
2024-02-27	0.5000 USD
2023-11-20	0.5000 USD
2023-08-24	0.5000 USD
2023-05-22	0.3570 USD
2023-02-28	0.3570 USD
2022-11-23	0.3570 USD
2022-08-19	0.3570 USD
2022-05-20	0.2975 USD
2022-02-28	0.2975 USD
2021-11-22	0.2975 USD
2021-08-23	0.2975 USD
2021-05-24	0.2700 USD
2021-03-01	0.2700 USD
2020-11-23	0.2700 USD
2020-08-24	0.2700 USD
2020-05-22	0.2625 USD
2020-02-24	0.2625 USD
2019-11-25	0.2625 USD
2019-08-26	0.2625 USD
2019-05-28	0.2500 USD
2019-02-26	0.2500 USD

Open, high, low and close are as traded (USD). Adjusted close accounts for splits and dividends. Educational only, not financial advice.