Westlake Chemical Corp. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2025-07-11 | 85.300 | 85.300 | 84.020 | 84.020 | 81.275 | 5 |
| 2025-07-10 | 86.000 | 87.920 | 86.000 | 87.920 | 85.048 | 7 |
| 2025-07-08 | 82.946 | 82.946 | 82.737 | 82.737 | 80.034 | 38 |
| 2025-07-07 | 80.180 | 81.200 | 80.180 | 81.200 | 78.547 | 205 |
| 2025-07-03 | 81.410 | 81.410 | 81.080 | 81.080 | 78.431 | 9 |
| 2025-07-02 | 81.820 | 81.955 | 80.850 | 81.955 | 79.277 | 144 |
| 2025-07-01 | 80.822 | 80.905 | 80.810 | 80.810 | 78.170 | 89 |
| 2025-06-30 | 74.744 | 76.090 | 74.744 | 75.110 | 72.656 | 60 |
| 2025-06-27 | 76.790 | 77.023 | 76.680 | 76.830 | 74.320 | 27 |
| 2025-06-26 | 76.440 | 76.440 | 75.210 | 75.850 | 73.372 | 2 |
| 2025-06-25 | 74.930 | 74.930 | 74.780 | 74.780 | 72.337 | 27 |
| 2025-06-24 | 73.510 | 76.350 | 73.510 | 76.350 | 73.856 | 66 |
| 2025-06-20 | 71.180 | 71.180 | 71.180 | 71.180 | 68.855 | 3 |
| 2025-06-18 | 73.215 | 73.500 | 71.970 | 72.210 | 69.851 | 37 |
| 2025-06-16 | 77.962 | 77.962 | 75.741 | 76.196 | 73.707 | 30 |
| 2025-06-13 | 78.050 | 78.050 | 78.050 | 78.050 | 75.500 | 3 |
| 2025-06-11 | 79.950 | 81.140 | 79.950 | 81.120 | 78.470 | 17 |
| 2025-06-10 | 78.500 | 79.535 | 77.560 | 79.530 | 76.932 | 231 |
| 2025-06-09 | 74.100 | 75.345 | 74.100 | 75.322 | 72.861 | 132 |
| 2025-06-06 | 73.260 | 73.260 | 72.820 | 72.820 | 70.441 | 7 |
| 2025-06-05 | 72.300 | 72.300 | 72.300 | 72.300 | 69.938 | 1 |
| 2025-06-04 | 72.130 | 72.130 | 72.130 | 72.130 | 69.773 | 3 |
| 2025-06-03 | 69.828 | 71.970 | 69.828 | 71.880 | 69.532 | 111 |
| 2025-06-02 | 70.010 | 70.500 | 69.210 | 69.210 | 66.949 | 3 |
| 2025-05-30 | 70.094 | 70.699 | 70.000 | 70.000 | 67.713 | 68 |
| 2025-05-29 | 71.430 | 71.430 | 70.824 | 70.824 | 68.510 | 13 |
| 2025-05-28 | 73.300 | 73.300 | 71.849 | 71.849 | 69.502 | 21 |
| 2025-05-27 | 72.585 | 73.040 | 72.085 | 72.833 | 70.453 | 67 |
| 2025-05-23 | 71.068 | 71.450 | 70.970 | 70.970 | 68.651 | 13 |
| 2025-05-22 | 73.685 | 73.685 | 72.110 | 72.251 | 69.891 | 10 |
| 2025-05-21 | 75.400 | 75.960 | 75.103 | 75.131 | 72.677 | 579 |
| 2025-05-20 | 77.980 | 78.490 | 77.360 | 77.360 | 74.833 | 15 |
| 2025-05-19 | 80.250 | 80.640 | 78.582 | 78.582 | 75.506 | 17 |
| 2025-05-16 | 81.515 | 81.515 | 81.515 | 81.515 | 78.325 | 15 |
| 2025-05-15 | 80.900 | 82.871 | 80.751 | 82.871 | 79.628 | 11 |
| 2025-05-14 | 85.490 | 85.490 | 85.490 | 85.490 | 82.144 | 79 |
| 2025-05-12 | 86.839 | 86.839 | 85.799 | 85.799 | 82.441 | 16 |
| 2025-05-09 | 81.150 | 81.150 | 80.586 | 80.586 | 77.432 | 75 |
| 2025-05-08 | 79.110 | 81.122 | 79.110 | 81.122 | 77.948 | 155 |
| 2025-05-06 | 77.950 | 78.500 | 77.760 | 78.500 | 75.428 | 214 |
| 2025-05-02 | 79.400 | 84.490 | 76.840 | 83.160 | 79.906 | 435 |
| 2025-05-01 | 92.790 | 92.790 | 92.790 | 92.790 | 89.159 | 5 |
| 2025-04-30 | 90.700 | 90.700 | 90.630 | 90.630 | 87.083 | 6 |
| 2025-04-28 | 93.380 | 93.380 | 93.380 | 93.380 | 89.726 | 11 |
| 2025-04-25 | 92.050 | 92.050 | 92.050 | 92.050 | 88.448 | 5 |
| 2025-04-24 | 94.008 | 95.150 | 94.008 | 95.150 | 91.426 | 301 |
| 2025-04-17 | 92.270 | 92.690 | 92.060 | 92.390 | 88.774 | 6 |
| 2025-04-14 | 92.173 | 92.173 | 89.380 | 89.700 | 86.190 | 2 |
| 2025-04-11 | 86.280 | 86.280 | 86.280 | 86.280 | 82.904 | 4 |
| 2025-04-10 | 88.006 | 88.650 | 88.006 | 88.075 | 84.628 | 700 |
| 2025-04-09 | 83.770 | 91.235 | 83.770 | 91.235 | 87.665 | 15 |
| 2025-04-07 | 84.930 | 86.295 | 82.125 | 86.200 | 82.827 | 35 |
| 2025-04-04 | 87.820 | 90.000 | 87.350 | 87.939 | 84.498 | 704 |
| 2025-04-03 | 95.480 | 96.840 | 94.280 | 94.280 | 90.590 | 13 |
| 2025-04-01 | 99.425 | 100.27 | 98.990 | 100.26 | 96.336 | 121 |
| 2025-03-31 | 98.080 | 99.530 | 98.080 | 98.080 | 94.242 | 4 |
| 2025-03-28 | 101.52 | 102.67 | 100.52 | 100.52 | 96.586 | 29,960 |
| 2025-03-27 | 100.46 | 102.13 | 100.46 | 102.13 | 98.133 | 1 |
| 2025-03-26 | 101.14 | 101.94 | 101.14 | 101.84 | 97.855 | 126 |
| 2025-03-24 | 102.80 | 102.80 | 102.80 | 102.80 | 98.777 | 2 |
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.