Westlake Chemical Corp. historical data
| 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 |
← NewerPage 4 of 4 · 234 trading days
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.