Westlake Chemical Corp. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-04-30 | 109.64 | 115.22 | 109.64 | 114.43 | 112.96 | 19 |
| 2026-04-29 | 111.40 | 113.50 | 110.37 | 110.43 | 109.01 | 40 |
| 2026-04-28 | 111.76 | 114.09 | 109.41 | 110.58 | 109.16 | 13 |
| 2026-04-27 | 110.64 | 114.11 | 108.13 | 110.70 | 109.27 | 17 |
| 2026-04-24 | 110.00 | 115.17 | 110.00 | 112.08 | 110.64 | 5 |
| 2026-04-23 | 115.78 | 118.13 | 110.84 | 110.84 | 109.41 | 24 |
| 2026-04-22 | 119.99 | 119.99 | 111.55 | 114.77 | 113.29 | 38 |
| 2026-04-21 | 115.00 | 115.00 | 113.63 | 113.71 | 112.25 | 6 |
| 2026-04-20 | 111.80 | 116.31 | 111.80 | 115.31 | 113.82 | 127 |
| 2026-04-17 | 113.02 | 116.61 | 110.70 | 113.20 | 111.74 | 221 |
| 2026-04-16 | 113.02 | 118.16 | 113.02 | 117.56 | 116.05 | 42 |
| 2026-04-15 | 118.12 | 118.12 | 114.65 | 114.82 | 113.34 | 29 |
| 2026-04-14 | 119.28 | 122.22 | 115.48 | 117.65 | 116.13 | 236 |
| 2026-04-13 | 120.00 | 120.92 | 117.70 | 120.81 | 119.25 | 17 |
| 2026-04-10 | 117.25 | 120.64 | 117.25 | 120.64 | 119.08 | 60 |
| 2026-04-09 | 118.94 | 122.40 | 116.33 | 116.33 | 114.83 | 35 |
| 2026-04-08 | 116.84 | 120.00 | 114.01 | 117.17 | 115.66 | 642 |
| 2026-04-07 | 119.99 | 124.17 | 119.76 | 122.48 | 120.90 | 229 |
| 2026-04-02 | 119.38 | 119.63 | 114.69 | 118.77 | 117.24 | 132 |
| 2026-04-01 | 116.83 | 118.15 | 115.71 | 116.41 | 114.91 | 41 |
| 2026-03-31 | 117.58 | 119.57 | 114.53 | 116.92 | 115.41 | 317 |
| 2026-03-30 | 115.49 | 117.17 | 113.20 | 115.03 | 113.55 | 325 |
| 2026-03-27 | 113.51 | 114.70 | 111.37 | 112.83 | 111.37 | 13 |
| 2026-03-26 | 112.06 | 116.37 | 112.06 | 113.36 | 111.89 | 28 |
| 2026-03-25 | 114.30 | 115.23 | 113.46 | 113.46 | 112.00 | 19 |
| 2026-03-24 | 105.07 | 114.92 | 105.07 | 114.78 | 113.30 | 20 |
| 2026-03-23 | 108.62 | 111.19 | 105.56 | 110.30 | 108.87 | 67 |
| 2026-03-20 | 107.74 | 107.90 | 106.49 | 106.87 | 105.49 | 11 |
| 2026-03-19 | 113.00 | 113.75 | 110.09 | 110.59 | 109.17 | 452 |
| 2026-03-18 | 113.04 | 115.77 | 113.04 | 114.28 | 112.81 | 687 |
| 2026-03-17 | 112.36 | 114.43 | 109.21 | 113.18 | 111.72 | 14 |
| 2026-03-16 | 113.50 | 113.50 | 110.46 | 111.27 | 109.83 | 191 |
| 2026-03-13 | 113.40 | 117.94 | 111.84 | 113.11 | 111.65 | 16 |
| 2026-03-12 | 107.35 | 113.64 | 105.96 | 113.27 | 111.81 | 357 |
| 2026-03-11 | 107.80 | 107.80 | 104.45 | 106.05 | 104.68 | 22 |
| 2026-03-10 | 105.37 | 107.67 | 105.10 | 106.49 | 105.12 | 1,040 |
| 2026-03-09 | 103.23 | 106.37 | 101.16 | 106.37 | 105.00 | 1,206 |
| 2026-03-06 | 105.00 | 106.11 | 99.905 | 101.92 | 100.61 | 2,379 |
| 2026-03-05 | 106.13 | 112.08 | 106.13 | 108.50 | 107.10 | 684 |
| 2026-03-04 | 106.28 | 106.28 | 100.78 | 105.05 | 103.70 | 12 |
| 2026-03-03 | 103.63 | 104.68 | 99.910 | 102.33 | 101.01 | 34 |
| 2026-03-02 | 100.55 | 108.86 | 100.55 | 106.76 | 105.38 | 111 |
| 2026-02-27 | 98.900 | 103.44 | 96.180 | 103.44 | 101.58 | 75 |
| 2026-02-26 | 105.00 | 105.00 | 100.26 | 100.26 | 98.461 | 7 |
| 2026-02-25 | 105.79 | 106.70 | 102.94 | 102.94 | 101.09 | 13 |
| 2026-02-24 | 103.00 | 105.38 | 99.690 | 105.38 | 103.49 | 273 |
| 2026-02-23 | 92.870 | 92.870 | 91.900 | 91.900 | 90.251 | 77 |
| 2026-02-20 | 93.760 | 96.340 | 92.600 | 94.690 | 92.991 | 41 |
| 2026-02-19 | 97.180 | 97.200 | 93.210 | 93.210 | 91.538 | 98 |
| 2026-02-18 | 100.34 | 100.34 | 99.990 | 100.31 | 98.511 | 2 |
| 2026-02-17 | 101.19 | 101.80 | 96.381 | 96.381 | 94.652 | 31 |
| 2026-02-13 | 98.500 | 101.30 | 98.500 | 101.30 | 99.483 | 12 |
| 2026-02-12 | 102.41 | 102.41 | 96.380 | 97.790 | 96.036 | 129 |
| 2026-02-11 | 100.13 | 102.79 | 99.750 | 99.750 | 97.961 | 39 |
| 2026-02-10 | 95.440 | 99.990 | 95.440 | 99.748 | 97.959 | 36 |
| 2026-02-09 | 92.130 | 96.140 | 92.130 | 96.140 | 94.415 | 38 |
| 2026-02-06 | 92.340 | 96.310 | 92.340 | 96.310 | 94.582 | 121 |
| 2026-02-05 | 94.780 | 94.780 | 90.765 | 90.765 | 89.137 | 95 |
| 2026-02-04 | 90.950 | 96.670 | 90.950 | 95.160 | 93.453 | 60 |
| 2026-02-03 | 86.980 | 91.152 | 86.020 | 88.720 | 87.128 | 117 |
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.