Westlake Chemical Corp. historical data

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

Date	Open	High	Low	Close	Adj. close	Volume
2026-02-02	79.300	83.770	76.710	83.770	82.267	124
2026-01-30	82.290	82.290	77.780	77.780	76.385	55
2026-01-29	82.470	82.470	78.810	80.800	79.351	6
2026-01-28	81.190	82.840	80.980	80.980	79.527	9
2026-01-27	84.280	84.280	82.980	82.980	81.491	1
2026-01-26	87.510	87.510	84.810	85.221	83.692	25
2026-01-22	88.150	88.660	88.150	88.660	87.070	64
2026-01-21	83.000	86.000	83.000	86.000	84.457	10
2026-01-20	84.690	86.160	84.160	84.160	82.650	43
2026-01-16	91.850	91.850	86.330	88.290	86.706	34
2026-01-15	89.120	89.120	87.020	87.020	85.459	26
2026-01-14	87.994	89.990	86.899	89.990	88.376	2,182
2026-01-13	86.070	86.070	85.330	85.370	83.839	347
2026-01-12	83.000	83.380	82.150	83.330	81.835	4
2026-01-09	78.869	81.205	78.869	81.205	79.748	79
2026-01-08	74.316	78.490	74.316	78.490	77.082	38
2026-01-06	75.580	78.130	75.580	78.130	76.728	32
2026-01-05	76.730	76.730	76.730	76.730	75.354	10
2026-01-02	73.041	73.620	73.041	73.041	71.730	5
2025-12-31	74.715	74.715	74.350	74.350	73.016	174
2025-12-29	73.260	74.150	73.260	74.150	72.820	17
2025-12-23	72.230	72.230	72.230	72.230	70.934	4
2025-12-19	74.473	74.473	74.473	74.473	73.137	101
2025-12-17	73.700	75.040	73.700	75.040	73.694	51
2025-12-15	75.635	76.040	72.730	72.780	71.474	4
2025-12-12	73.820	75.370	73.820	73.962	72.635	85
2025-12-11	73.390	74.670	73.390	74.670	73.330	13
2025-12-09	69.425	70.440	69.425	70.304	69.043	7
2025-12-08	67.770	67.770	67.410	67.410	66.201	7
2025-12-05	70.125	70.125	70.125	70.125	68.867	101
2025-12-03	68.262	70.291	68.262	70.291	69.030	8
2025-12-02	66.739	66.739	66.272	66.272	65.083	19
2025-12-01	65.975	69.890	65.900	69.521	68.274	261
2025-11-28	65.924	66.430	65.800	66.430	65.238	1,705
2025-11-26	64.930	64.930	64.560	64.560	63.402	1
2025-11-25	63.000	63.290	62.666	62.706	61.581	44
2025-11-24	60.060	60.840	58.480	60.450	59.366	36
2025-11-21	58.317	60.775	58.317	60.775	59.164	709
2025-11-20	59.220	59.220	59.220	59.220	57.650	4
2025-11-19	58.400	58.400	57.490	57.810	56.278	4
2025-11-17	61.950	62.790	60.386	60.386	58.785	92
2025-11-14	63.280	63.639	62.480	62.480	60.824	8
2025-11-12	62.410	62.420	62.410	62.410	60.756	6
2025-11-11	64.320	65.550	63.360	63.360	61.681	21
2025-11-10	64.810	64.810	64.650	64.650	62.937	31
2025-11-07	64.003	64.350	64.003	64.003	62.307	17
2025-11-06	66.200	66.200	64.350	65.070	63.345	34
2025-11-05	66.420	66.420	66.420	66.420	64.660	3
2025-11-04	67.030	67.870	67.030	67.690	65.896	42
2025-11-03	69.310	70.175	69.221	70.175	68.315	21
2025-10-31	68.640	68.760	68.640	68.760	66.938	7
2025-10-30	67.500	70.600	67.500	69.560	67.716	66
2025-10-29	76.150	76.150	73.490	73.490	71.542	18
2025-10-27	78.440	78.440	78.440	78.440	76.361	3
2025-10-23	75.620	78.669	74.570	77.822	75.759	118
2025-10-22	75.360	77.245	75.360	77.245	75.198	131
2025-10-20	75.440	75.440	75.440	75.440	73.441	106
2025-10-17	76.640	76.640	76.640	76.640	74.609	1
2025-10-16	78.870	78.870	78.870	78.870	76.780	18
2025-10-15	78.550	78.550	78.550	78.550	76.468	10

← NewerPage 4 of 14 · 833 trading daysOlder →

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.