Westlake Corporation (WLK)
NYSE: WLK · Real-Time Price · USD
110.35
-0.84 (-0.76%)
Apr 28, 2026, 4:00 PM EDT - Market closed
Westlake Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Apr 28, 2026 | 112.41 | 112.86 | 109.14 | 110.35 | 110.35 | -0.76% | 692,833 |
| Apr 27, 2026 | 111.91 | 113.66 | 109.42 | 111.19 | 111.19 | 0.50% | 794,552 |
| Apr 24, 2026 | 112.00 | 113.49 | 109.68 | 110.64 | 110.64 | -1.43% | 1,051,834 |
| Apr 23, 2026 | 114.35 | 115.60 | 110.58 | 112.25 | 112.25 | -1.78% | 982,871 |
| Apr 22, 2026 | 117.47 | 117.66 | 113.50 | 114.28 | 114.28 | -1.18% | 1,085,571 |
| Apr 21, 2026 | 112.93 | 115.88 | 112.15 | 115.65 | 115.65 | 1.55% | 854,569 |
| Apr 20, 2026 | 111.72 | 115.60 | 111.72 | 113.88 | 113.88 | 1.13% | 885,663 |
| Apr 17, 2026 | 114.00 | 114.51 | 110.79 | 112.61 | 112.61 | -5.37% | 1,491,463 |
| Apr 16, 2026 | 116.73 | 119.23 | 116.41 | 119.00 | 119.00 | 3.25% | 1,084,387 |
| Apr 15, 2026 | 118.13 | 118.41 | 114.43 | 115.25 | 115.25 | -2.27% | 951,261 |
| Apr 14, 2026 | 119.49 | 119.97 | 115.01 | 117.93 | 117.93 | -1.85% | 934,780 |
| Apr 13, 2026 | 120.00 | 121.94 | 118.50 | 120.15 | 120.15 | 1.50% | 870,966 |
| Apr 10, 2026 | 118.97 | 120.95 | 117.50 | 118.37 | 118.37 | 0.99% | 926,141 |
| Apr 9, 2026 | 120.99 | 122.53 | 116.26 | 117.21 | 117.21 | -2.98% | 1,248,942 |
| Apr 8, 2026 | 114.25 | 120.88 | 113.33 | 120.81 | 120.81 | -2.09% | 1,529,621 |
| Apr 7, 2026 | 120.52 | 124.23 | 119.44 | 123.39 | 123.39 | 3.23% | 1,017,182 |
| Apr 6, 2026 | 117.61 | 119.60 | 116.37 | 119.53 | 119.53 | 0.11% | 1,044,114 |
| Apr 2, 2026 | 116.60 | 120.00 | 114.49 | 119.40 | 119.40 | 2.42% | 934,017 |
| Apr 1, 2026 | 117.00 | 119.35 | 115.43 | 116.58 | 116.58 | -0.21% | 1,061,336 |
| Mar 31, 2026 | 116.75 | 119.69 | 114.47 | 116.82 | 116.82 | 0.71% | 1,229,333 |
| Mar 30, 2026 | 115.11 | 117.17 | 113.59 | 116.00 | 116.00 | 2.39% | 2,027,356 |
| Mar 27, 2026 | 111.80 | 114.44 | 111.80 | 113.29 | 113.29 | -0.15% | 1,081,166 |
| Mar 26, 2026 | 113.63 | 115.94 | 112.56 | 113.46 | 113.46 | -0.67% | 1,035,059 |
| Mar 25, 2026 | 114.41 | 116.19 | 113.23 | 114.22 | 114.22 | 0.11% | 1,119,432 |
| Mar 24, 2026 | 107.94 | 115.13 | 107.07 | 114.09 | 114.09 | 5.15% | 1,077,963 |
| Mar 23, 2026 | 107.79 | 111.47 | 107.00 | 108.50 | 108.50 | 2.24% | 1,549,760 |
| Mar 20, 2026 | 111.80 | 112.41 | 105.48 | 106.12 | 106.12 | -4.59% | 1,516,059 |
| Mar 19, 2026 | 110.89 | 112.67 | 109.40 | 111.23 | 111.23 | -1.22% | 946,387 |
| Mar 18, 2026 | 113.12 | 115.78 | 112.56 | 112.60 | 112.60 | 1.04% | 1,322,513 |
| Mar 17, 2026 | 111.25 | 114.97 | 110.18 | 111.44 | 111.44 | 0.59% | 1,213,537 |
| Mar 16, 2026 | 111.25 | 113.10 | 110.00 | 110.79 | 110.79 | -1.12% | 1,324,190 |
| Mar 13, 2026 | 115.00 | 116.46 | 111.50 | 112.04 | 112.04 | -1.91% | 1,598,529 |
| Mar 12, 2026 | 107.24 | 114.65 | 107.24 | 114.22 | 114.22 | 6.72% | 1,622,411 |
| Mar 11, 2026 | 104.75 | 107.68 | 103.54 | 107.03 | 107.03 | 1.89% | 1,051,172 |
| Mar 10, 2026 | 104.81 | 107.74 | 103.86 | 105.04 | 105.04 | -1.22% | 927,395 |
| Mar 9, 2026 | 102.18 | 107.45 | 100.54 | 106.34 | 106.34 | 3.05% | 1,215,363 |
| Mar 6, 2026 | 104.00 | 106.10 | 99.34 | 103.19 | 103.19 | -2.20% | 1,486,278 |
| Mar 5, 2026 | 107.50 | 112.21 | 104.84 | 105.51 | 105.51 | -0.58% | 1,999,551 |
| Mar 4, 2026 | 105.31 | 106.39 | 101.67 | 106.13 | 106.13 | 3.12% | 1,031,827 |
| Mar 3, 2026 | 103.49 | 104.86 | 99.60 | 102.92 | 102.92 | -3.62% | 1,569,422 |
| Mar 2, 2026 | 103.32 | 108.88 | 102.70 | 106.79 | 106.26 | 1.34% | 1,758,808 |
| Feb 27, 2026 | 98.20 | 106.00 | 97.90 | 105.38 | 104.86 | 5.02% | 1,287,594 |
| Feb 26, 2026 | 102.57 | 103.67 | 99.11 | 100.34 | 99.84 | -2.67% | 899,228 |
| Feb 25, 2026 | 106.36 | 106.66 | 101.56 | 103.09 | 102.58 | -1.04% | 1,689,360 |
| Feb 24, 2026 | 102.72 | 107.99 | 97.83 | 104.17 | 103.65 | 11.99% | 2,388,247 |
| Feb 23, 2026 | 93.84 | 95.23 | 91.76 | 93.02 | 92.56 | -1.46% | 1,303,280 |
| Feb 20, 2026 | 94.10 | 96.26 | 92.69 | 94.40 | 93.93 | -0.69% | 1,050,634 |
| Feb 19, 2026 | 98.54 | 100.00 | 93.10 | 95.06 | 94.59 | -4.49% | 1,528,666 |
| Feb 18, 2026 | 98.95 | 100.77 | 97.52 | 99.53 | 99.04 | 1.75% | 1,006,156 |
| Feb 17, 2026 | 99.58 | 101.30 | 96.48 | 97.82 | 97.33 | -2.26% | 1,385,834 |
| Feb 13, 2026 | 98.50 | 101.35 | 97.31 | 100.08 | 99.58 | 1.37% | 820,900 |
| Feb 12, 2026 | 100.69 | 103.00 | 96.68 | 98.73 | 98.24 | -1.62% | 1,183,580 |
| Feb 11, 2026 | 98.56 | 102.98 | 98.56 | 100.36 | 99.86 | 1.25% | 1,850,467 |
| Feb 10, 2026 | 97.03 | 100.24 | 96.34 | 99.12 | 98.63 | 2.74% | 1,218,654 |
| Feb 9, 2026 | 94.10 | 96.60 | 93.55 | 96.48 | 96.00 | 0.57% | 984,301 |
| Feb 6, 2026 | 94.09 | 96.31 | 93.18 | 95.93 | 95.45 | 4.08% | 1,094,709 |
| Feb 5, 2026 | 94.17 | 95.25 | 90.32 | 92.17 | 91.71 | -3.99% | 1,574,263 |
| Feb 4, 2026 | 93.05 | 98.06 | 93.05 | 96.00 | 95.52 | 5.61% | 2,645,719 |
| Feb 3, 2026 | 84.53 | 91.59 | 84.52 | 90.90 | 90.45 | 8.51% | 2,029,464 |
| Feb 2, 2026 | 79.89 | 84.27 | 78.61 | 83.77 | 83.35 | 5.61% | 1,571,912 |
| Jan 30, 2026 | 80.58 | 82.05 | 77.58 | 79.32 | 78.93 | -2.75% | 2,094,834 |
| Jan 29, 2026 | 82.10 | 82.69 | 78.44 | 81.56 | 81.16 | -0.39% | 1,370,200 |
| Jan 28, 2026 | 82.49 | 83.00 | 80.99 | 81.88 | 81.47 | 0.24% | 1,180,003 |
| Jan 27, 2026 | 83.52 | 84.55 | 81.65 | 81.68 | 81.27 | -2.95% | 1,252,107 |
| Jan 26, 2026 | 85.59 | 85.95 | 83.49 | 84.16 | 83.74 | -1.24% | 1,403,092 |
| Jan 23, 2026 | 86.90 | 87.39 | 85.08 | 85.22 | 84.80 | -1.76% | 1,279,468 |
| Jan 22, 2026 | 87.09 | 89.85 | 86.20 | 86.75 | 86.32 | 0.08% | 987,583 |
| Jan 21, 2026 | 84.99 | 87.97 | 84.32 | 86.68 | 86.25 | 3.29% | 1,826,427 |
| Jan 20, 2026 | 86.30 | 86.30 | 83.30 | 83.92 | 83.50 | -4.50% | 1,107,939 |
| Jan 16, 2026 | 86.63 | 88.88 | 86.63 | 87.87 | 87.43 | -0.49% | 904,946 |
| Jan 15, 2026 | 90.82 | 91.08 | 86.27 | 88.30 | 87.86 | -1.73% | 2,111,433 |
| Jan 14, 2026 | 85.63 | 90.19 | 85.07 | 89.85 | 89.40 | 5.71% | 1,600,484 |
| Jan 13, 2026 | 85.72 | 86.48 | 84.48 | 85.00 | 84.58 | 0.07% | 1,179,733 |
| Jan 12, 2026 | 83.00 | 85.13 | 82.63 | 84.94 | 84.52 | 2.09% | 2,078,892 |
| Jan 9, 2026 | 79.90 | 83.30 | 78.42 | 83.20 | 82.79 | 4.61% | 1,622,700 |
| Jan 8, 2026 | 73.86 | 81.55 | 73.50 | 79.53 | 79.14 | 6.79% | 1,759,316 |
| Jan 7, 2026 | 77.86 | 78.63 | 73.95 | 74.47 | 74.10 | -3.82% | 1,640,436 |
| Jan 6, 2026 | 74.90 | 78.34 | 74.39 | 77.43 | 77.05 | 3.27% | 1,358,350 |
| Jan 5, 2026 | 73.90 | 77.33 | 73.90 | 74.98 | 74.61 | 1.12% | 1,005,445 |
| Jan 2, 2026 | 74.57 | 75.17 | 72.69 | 74.15 | 73.78 | 0.28% | 919,751 |
| Dec 31, 2025 | 74.81 | 75.22 | 73.50 | 73.94 | 73.57 | -1.26% | 839,226 |
| Dec 30, 2025 | 74.42 | 75.45 | 74.29 | 74.88 | 74.51 | 0.67% | 944,983 |
| Dec 29, 2025 | 73.01 | 74.68 | 72.96 | 74.38 | 74.01 | 0.85% | 1,186,678 |
| Dec 26, 2025 | 73.63 | 74.01 | 73.18 | 73.75 | 73.38 | 0.10% | 704,445 |
| Dec 24, 2025 | 73.61 | 74.12 | 72.84 | 73.68 | 73.31 | 0.53% | 313,866 |
| Dec 23, 2025 | 74.04 | 74.33 | 71.87 | 73.29 | 72.93 | -1.48% | 1,328,051 |
| Dec 22, 2025 | 72.57 | 74.60 | 72.26 | 74.39 | 74.02 | 2.62% | 928,142 |
| Dec 19, 2025 | 75.44 | 75.44 | 71.79 | 72.49 | 72.13 | -3.06% | 1,786,703 |
| Dec 18, 2025 | 74.40 | 75.66 | 73.34 | 74.78 | 74.41 | 1.08% | 1,514,520 |
| Dec 17, 2025 | 73.20 | 75.44 | 73.08 | 73.98 | 73.61 | 0.87% | 1,921,705 |
| Dec 16, 2025 | 73.00 | 74.42 | 72.06 | 73.34 | 72.98 | -0.39% | 2,460,019 |
| Dec 15, 2025 | 76.02 | 76.33 | 71.27 | 73.63 | 73.26 | -1.03% | 3,755,898 |
| Dec 12, 2025 | 75.28 | 75.40 | 73.61 | 74.40 | 74.03 | -0.69% | 1,944,497 |
| Dec 11, 2025 | 72.61 | 75.09 | 72.23 | 74.92 | 74.55 | 3.01% | 1,960,492 |
| Dec 10, 2025 | 68.67 | 72.85 | 68.26 | 72.73 | 72.37 | 6.27% | 1,752,653 |
| Dec 9, 2025 | 68.69 | 71.03 | 68.42 | 68.44 | 68.10 | 1.21% | 1,464,185 |
| Dec 8, 2025 | 67.80 | 69.13 | 66.92 | 67.62 | 67.28 | -0.59% | 1,580,078 |
| Dec 5, 2025 | 68.24 | 70.34 | 67.53 | 68.02 | 67.68 | 0.07% | 1,488,022 |
| Dec 4, 2025 | 68.66 | 69.17 | 67.28 | 67.97 | 67.63 | -1.08% | 2,100,790 |
| Dec 3, 2025 | 66.70 | 70.31 | 66.45 | 68.71 | 68.37 | 3.17% | 1,538,510 |