Westlake Corporation (WLK)
NYSE: WLK · Real-Time Price · USD
105.87
+2.68 (2.60%)
Mar 9, 2026, 2:15 PM EDT - Market open
Westlake Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Mar 9, 2026 | 102.18 | 106.03 | 100.54 | 105.82 | - | 2.55% | 667,341 |
| 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 |
| Dec 2, 2025 | 67.52 | 67.73 | 66.09 | 66.60 | 66.27 | -1.46% | 1,249,305 |
| Dec 1, 2025 | 65.50 | 70.06 | 65.50 | 67.59 | 67.25 | 1.17% | 2,362,303 |
| Nov 28, 2025 | 64.71 | 66.97 | 64.66 | 66.81 | 66.48 | 3.23% | 1,050,631 |
| Nov 26, 2025 | 62.84 | 65.22 | 62.78 | 64.72 | 64.40 | 2.94% | 1,524,243 |
| Nov 25, 2025 | 60.88 | 63.55 | 60.70 | 62.87 | 62.56 | 3.71% | 2,194,286 |
| Nov 24, 2025 | 58.86 | 61.04 | 58.62 | 60.62 | 59.79 | 2.69% | 3,632,069 |
| Nov 21, 2025 | 56.90 | 60.92 | 56.83 | 59.03 | 58.22 | 4.70% | 1,929,088 |
| Nov 20, 2025 | 57.88 | 59.37 | 56.33 | 56.38 | 55.61 | -1.95% | 1,914,968 |
| Nov 19, 2025 | 58.34 | 58.84 | 56.85 | 57.50 | 56.71 | -1.96% | 1,869,651 |
| Nov 18, 2025 | 59.05 | 59.68 | 57.43 | 58.65 | 57.85 | -0.68% | 1,410,319 |
| Nov 17, 2025 | 62.56 | 62.77 | 58.58 | 59.05 | 58.24 | -5.61% | 1,037,767 |
| Nov 14, 2025 | 64.26 | 64.26 | 62.39 | 62.56 | 61.71 | -3.62% | 858,458 |
| Nov 13, 2025 | 62.69 | 65.68 | 62.69 | 64.91 | 64.02 | 3.34% | 1,985,722 |
| Nov 12, 2025 | 63.45 | 64.58 | 62.30 | 62.81 | 61.95 | -1.01% | 1,189,170 |
| Nov 11, 2025 | 65.81 | 66.28 | 62.94 | 63.45 | 62.58 | -2.65% | 1,418,831 |
| Nov 10, 2025 | 65.85 | 65.85 | 64.21 | 65.18 | 64.29 | 0.35% | 1,203,104 |
| Nov 7, 2025 | 64.00 | 65.53 | 63.89 | 64.95 | 64.06 | 0.76% | 875,400 |
| Nov 6, 2025 | 65.92 | 66.30 | 64.33 | 64.46 | 63.58 | -2.13% | 1,114,723 |
| Nov 5, 2025 | 66.54 | 67.50 | 65.38 | 65.86 | 64.96 | -1.38% | 931,887 |
| Nov 4, 2025 | 67.46 | 68.19 | 66.76 | 66.78 | 65.87 | -2.20% | 874,025 |
| Nov 3, 2025 | 69.00 | 70.62 | 67.87 | 68.28 | 67.35 | -0.77% | 1,565,976 |
| Oct 31, 2025 | 67.91 | 69.52 | 67.33 | 68.81 | 67.87 | 0.76% | 1,949,490 |
| Oct 30, 2025 | 69.52 | 72.82 | 65.77 | 68.29 | 67.36 | -7.05% | 3,359,807 |
| Oct 29, 2025 | 76.64 | 76.64 | 73.12 | 73.47 | 72.47 | -3.89% | 1,992,741 |
| Oct 28, 2025 | 77.84 | 78.87 | 75.80 | 76.44 | 75.40 | -4.13% | 1,167,076 |
| Oct 27, 2025 | 79.57 | 80.04 | 79.20 | 79.73 | 78.64 | 0.64% | 598,746 |
| Oct 24, 2025 | 79.65 | 80.28 | 78.90 | 79.22 | 78.14 | 0.55% | 891,770 |
| Oct 23, 2025 | 78.13 | 79.24 | 76.60 | 78.79 | 77.71 | 4.57% | 1,253,144 |
| Oct 22, 2025 | 76.52 | 77.69 | 75.08 | 75.35 | 74.32 | -2.02% | 1,176,808 |
| Oct 21, 2025 | 75.34 | 77.04 | 74.58 | 76.90 | 75.85 | 2.00% | 1,086,159 |
| Oct 20, 2025 | 75.83 | 76.20 | 74.91 | 75.39 | 74.36 | 0.19% | 664,781 |
| Oct 17, 2025 | 76.00 | 76.20 | 74.70 | 75.25 | 74.22 | -1.05% | 989,482 |
| Oct 16, 2025 | 77.62 | 77.89 | 75.36 | 76.05 | 75.01 | -1.66% | 909,069 |
| Oct 15, 2025 | 78.23 | 79.08 | 77.09 | 77.33 | 76.27 | -0.59% | 1,359,222 |
| Oct 14, 2025 | 75.10 | 78.04 | 74.29 | 77.79 | 76.73 | 0.08% | 1,009,693 |