Westlake Corporation (WLK)
NYSE: WLK · Real-Time Price · USD
76.62
+0.08 (0.10%)
Jun 26, 2026, 4:00 PM EDT - Market closed
Westlake Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jun 26, 2026 | 76.00 | 77.18 | 75.58 | 76.62 | 76.62 | 0.10% | 1,566,645 |
| Jun 25, 2026 | 75.25 | 76.81 | 74.66 | 76.54 | 76.54 | 0.88% | 1,863,373 |
| Jun 24, 2026 | 75.74 | 76.67 | 73.77 | 75.87 | 75.87 | -0.80% | 1,890,919 |
| Jun 23, 2026 | 77.37 | 78.32 | 76.26 | 76.48 | 76.48 | -1.89% | 988,310 |
| Jun 22, 2026 | 79.29 | 79.70 | 77.27 | 77.95 | 77.95 | -2.90% | 1,025,440 |
| Jun 18, 2026 | 82.94 | 83.09 | 80.09 | 80.28 | 80.28 | -3.83% | 1,726,759 |
| Jun 17, 2026 | 83.67 | 87.27 | 83.23 | 83.48 | 83.48 | -1.01% | 736,411 |
| Jun 16, 2026 | 86.89 | 87.66 | 83.92 | 84.33 | 84.33 | -3.57% | 1,121,500 |
| Jun 15, 2026 | 87.65 | 88.76 | 86.16 | 87.45 | 87.45 | -1.19% | 620,332 |
| Jun 12, 2026 | 87.45 | 89.47 | 86.53 | 88.50 | 88.50 | 1.41% | 770,631 |
| Jun 11, 2026 | 88.43 | 89.23 | 86.43 | 87.27 | 87.27 | 0.17% | 531,732 |
| Jun 10, 2026 | 86.50 | 88.99 | 85.81 | 87.12 | 87.12 | 1.17% | 1,179,216 |
| Jun 9, 2026 | 85.63 | 86.92 | 84.38 | 86.11 | 86.11 | 1.00% | 1,184,082 |
| Jun 8, 2026 | 84.38 | 85.78 | 83.75 | 85.26 | 85.26 | 0.73% | 914,802 |
| Jun 5, 2026 | 84.29 | 85.34 | 82.98 | 84.64 | 84.64 | -0.72% | 792,745 |
| Jun 4, 2026 | 86.29 | 87.04 | 84.37 | 85.25 | 85.25 | -1.32% | 736,343 |
| Jun 3, 2026 | 86.46 | 87.90 | 85.75 | 86.39 | 86.39 | -0.51% | 867,231 |
| Jun 2, 2026 | 86.31 | 87.93 | 85.89 | 86.83 | 86.83 | 0.52% | 720,885 |
| Jun 1, 2026 | 87.50 | 88.99 | 86.34 | 86.38 | 86.38 | -0.52% | 897,727 |
| May 29, 2026 | 87.50 | 87.81 | 86.08 | 86.83 | 86.83 | -0.96% | 914,030 |
| May 28, 2026 | 87.45 | 88.70 | 87.14 | 87.67 | 87.67 | -0.16% | 857,547 |
| May 27, 2026 | 86.91 | 89.37 | 86.39 | 87.81 | 87.81 | -0.49% | 1,071,628 |
| May 26, 2026 | 88.77 | 89.39 | 88.06 | 88.77 | 88.24 | 0.19% | 686,287 |
| May 22, 2026 | 88.76 | 89.98 | 87.14 | 88.60 | 88.07 | 0.57% | 829,666 |
| May 21, 2026 | 88.73 | 89.13 | 86.54 | 88.10 | 87.57 | -0.45% | 873,287 |
| May 20, 2026 | 88.47 | 89.49 | 87.75 | 88.50 | 87.97 | -0.18% | 926,367 |
| May 19, 2026 | 91.23 | 91.23 | 88.15 | 88.66 | 88.13 | -3.06% | 1,098,982 |
| May 18, 2026 | 90.22 | 93.18 | 88.57 | 91.46 | 90.91 | 3.24% | 1,473,497 |
| May 15, 2026 | 91.19 | 91.53 | 88.33 | 88.59 | 88.06 | -3.21% | 1,870,441 |
| May 14, 2026 | 93.65 | 94.39 | 91.50 | 91.53 | 90.98 | -0.80% | 1,000,368 |
| May 13, 2026 | 97.34 | 98.30 | 92.22 | 92.27 | 91.72 | -4.42% | 1,364,456 |
| May 12, 2026 | 99.02 | 99.51 | 96.44 | 96.54 | 95.96 | -1.05% | 1,018,518 |
| May 11, 2026 | 94.88 | 98.95 | 93.86 | 97.56 | 96.98 | 3.95% | 1,499,188 |
| May 8, 2026 | 97.88 | 98.47 | 93.42 | 93.85 | 93.29 | -3.62% | 1,404,939 |
| May 7, 2026 | 98.95 | 100.05 | 97.10 | 97.38 | 96.80 | -2.54% | 1,413,971 |
| May 6, 2026 | 99.48 | 102.57 | 98.66 | 99.92 | 99.32 | -4.64% | 2,170,984 |
| May 5, 2026 | 102.70 | 106.93 | 101.23 | 104.78 | 104.15 | -8.78% | 1,799,940 |
| May 4, 2026 | 115.52 | 116.26 | 112.40 | 114.87 | 114.18 | -0.10% | 1,204,703 |
| May 1, 2026 | 115.75 | 117.05 | 114.78 | 114.99 | 114.30 | -0.25% | 1,162,016 |
| Apr 30, 2026 | 111.49 | 115.71 | 111.19 | 115.28 | 114.59 | 3.47% | 940,622 |
| Apr 29, 2026 | 112.09 | 112.48 | 110.48 | 111.41 | 110.74 | 0.96% | 929,972 |
| Apr 28, 2026 | 112.41 | 112.86 | 109.14 | 110.35 | 109.69 | -0.76% | 692,833 |
| Apr 27, 2026 | 111.91 | 113.66 | 109.42 | 111.19 | 110.53 | 0.50% | 794,561 |
| Apr 24, 2026 | 112.00 | 113.49 | 109.68 | 110.64 | 109.98 | -1.43% | 1,052,389 |
| Apr 23, 2026 | 114.35 | 115.60 | 110.58 | 112.25 | 111.58 | -1.78% | 982,944 |
| Apr 22, 2026 | 117.47 | 117.66 | 113.50 | 114.28 | 113.60 | -1.18% | 1,087,671 |
| Apr 21, 2026 | 112.93 | 115.88 | 112.15 | 115.65 | 114.96 | 1.55% | 854,582 |
| Apr 20, 2026 | 111.72 | 115.60 | 111.72 | 113.88 | 113.20 | 1.13% | 885,685 |
| Apr 17, 2026 | 114.00 | 114.51 | 110.79 | 112.61 | 111.94 | -5.37% | 1,491,705 |
| Apr 16, 2026 | 116.73 | 119.23 | 116.41 | 119.00 | 118.29 | 3.25% | 1,084,441 |
| Apr 15, 2026 | 118.13 | 118.41 | 114.43 | 115.25 | 114.56 | -2.27% | 951,543 |
| Apr 14, 2026 | 119.49 | 119.97 | 115.01 | 117.93 | 117.23 | -1.85% | 935,330 |
| Apr 13, 2026 | 120.00 | 121.94 | 118.50 | 120.15 | 119.43 | 1.50% | 870,986 |
| Apr 10, 2026 | 118.97 | 120.95 | 117.50 | 118.37 | 117.66 | 0.99% | 926,152 |
| Apr 9, 2026 | 120.99 | 122.53 | 116.26 | 117.21 | 116.51 | -2.98% | 1,318,732 |
| Apr 8, 2026 | 114.25 | 120.88 | 113.33 | 120.81 | 120.09 | -2.09% | 1,529,625 |
| Apr 7, 2026 | 120.52 | 124.23 | 119.44 | 123.39 | 122.65 | 3.23% | 1,026,058 |
| Apr 6, 2026 | 117.61 | 119.60 | 116.37 | 119.53 | 118.82 | 0.11% | 1,044,558 |
| Apr 2, 2026 | 116.60 | 120.00 | 114.49 | 119.40 | 118.69 | 2.42% | 934,032 |
| Apr 1, 2026 | 117.00 | 119.35 | 115.43 | 116.58 | 115.88 | -0.21% | 1,061,368 |
| Mar 31, 2026 | 116.75 | 119.69 | 114.47 | 116.82 | 116.12 | 0.71% | 1,229,574 |
| Mar 30, 2026 | 115.11 | 117.17 | 113.59 | 116.00 | 115.31 | 2.39% | 2,027,797 |
| Mar 27, 2026 | 111.80 | 114.44 | 111.80 | 113.29 | 112.61 | -0.15% | 1,083,889 |
| Mar 26, 2026 | 113.63 | 115.94 | 112.56 | 113.46 | 112.78 | -0.67% | 1,035,069 |
| Mar 25, 2026 | 114.41 | 116.19 | 113.23 | 114.22 | 113.54 | 0.11% | 1,119,548 |
| Mar 24, 2026 | 107.94 | 115.13 | 107.07 | 114.09 | 113.41 | 5.15% | 1,078,008 |
| Mar 23, 2026 | 107.79 | 111.47 | 107.00 | 108.50 | 107.85 | 2.24% | 1,549,760 |
| Mar 20, 2026 | 111.80 | 112.41 | 105.48 | 106.12 | 105.49 | -4.59% | 1,522,206 |
| Mar 19, 2026 | 110.89 | 112.67 | 109.40 | 111.23 | 110.57 | -1.22% | 948,700 |
| Mar 18, 2026 | 113.12 | 115.78 | 112.56 | 112.60 | 111.93 | 1.04% | 1,322,815 |
| Mar 17, 2026 | 111.25 | 114.97 | 110.18 | 111.44 | 110.77 | 0.59% | 1,213,539 |
| Mar 16, 2026 | 111.25 | 113.10 | 110.00 | 110.79 | 110.13 | -1.12% | 1,324,204 |
| Mar 13, 2026 | 115.00 | 116.46 | 111.50 | 112.04 | 111.37 | -1.91% | 1,606,816 |
| Mar 12, 2026 | 107.24 | 114.65 | 107.24 | 114.22 | 113.54 | 6.72% | 1,622,661 |
| Mar 11, 2026 | 104.75 | 107.68 | 103.54 | 107.03 | 106.39 | 1.89% | 1,051,542 |
| Mar 10, 2026 | 104.81 | 107.74 | 103.86 | 105.04 | 104.41 | -1.22% | 927,621 |
| Mar 9, 2026 | 102.18 | 107.45 | 100.54 | 106.34 | 105.71 | 3.05% | 1,215,568 |
| Mar 6, 2026 | 104.00 | 106.10 | 99.34 | 103.19 | 102.57 | -2.20% | 1,486,792 |
| Mar 5, 2026 | 107.50 | 112.21 | 104.84 | 105.51 | 104.88 | -0.58% | 1,999,633 |
| Mar 4, 2026 | 105.31 | 106.39 | 101.67 | 106.13 | 105.50 | 3.12% | 1,032,057 |
| Mar 3, 2026 | 103.49 | 104.86 | 99.60 | 102.92 | 102.31 | -3.14% | 1,569,437 |
| Mar 2, 2026 | 103.32 | 108.88 | 102.70 | 106.79 | 105.63 | 1.34% | 1,758,919 |
| Feb 27, 2026 | 98.20 | 106.00 | 97.90 | 105.38 | 104.23 | 5.02% | 1,287,594 |
| Feb 26, 2026 | 102.57 | 103.67 | 99.11 | 100.34 | 99.25 | -2.67% | 899,228 |
| Feb 25, 2026 | 106.36 | 106.66 | 101.56 | 103.09 | 101.97 | -1.04% | 1,689,360 |
| Feb 24, 2026 | 102.72 | 107.99 | 97.83 | 104.17 | 103.03 | 11.99% | 2,388,247 |
| Feb 23, 2026 | 93.84 | 95.23 | 91.76 | 93.02 | 92.01 | -1.46% | 1,303,280 |
| Feb 20, 2026 | 94.10 | 96.26 | 92.69 | 94.40 | 93.37 | -0.69% | 1,050,634 |
| Feb 19, 2026 | 98.54 | 100.00 | 93.10 | 95.06 | 94.02 | -4.49% | 1,528,666 |
| Feb 18, 2026 | 98.95 | 100.77 | 97.52 | 99.53 | 98.44 | 1.75% | 1,006,156 |
| Feb 17, 2026 | 99.58 | 101.30 | 96.48 | 97.82 | 96.75 | -2.26% | 1,385,834 |
| Feb 13, 2026 | 98.50 | 101.35 | 97.31 | 100.08 | 98.99 | 1.37% | 820,900 |
| Feb 12, 2026 | 100.69 | 103.00 | 96.68 | 98.73 | 97.65 | -1.62% | 1,183,580 |
| Feb 11, 2026 | 98.56 | 102.98 | 98.56 | 100.36 | 99.27 | 1.25% | 1,850,467 |
| Feb 10, 2026 | 97.03 | 100.24 | 96.34 | 99.12 | 98.04 | 2.74% | 1,218,654 |
| Feb 9, 2026 | 94.10 | 96.60 | 93.55 | 96.48 | 95.43 | 0.57% | 984,301 |
| Feb 6, 2026 | 94.09 | 96.31 | 93.18 | 95.93 | 94.88 | 4.08% | 1,094,709 |
| Feb 5, 2026 | 94.17 | 95.25 | 90.32 | 92.17 | 91.16 | -3.99% | 1,574,263 |
| Feb 4, 2026 | 93.05 | 98.06 | 93.05 | 96.00 | 94.95 | 5.61% | 2,645,719 |
| Feb 3, 2026 | 84.53 | 91.59 | 84.52 | 90.90 | 89.91 | 8.51% | 2,029,464 |