5 DAY PERFORMANCE
+32.55%
1 MONTH PERFORMANCE
+20.10%
3 MONTH PERFORMANCE
-1.93%
6 MONTH PERFORMANCE
+45.19%
YEAR-TO-DATE PERFORMANCE
+43.91%
1 YEAR PERFORMANCE
+44.66%
Westlake Corporation Stock Chart
Share Price History
| Date | Opening Price | Closing Price | High | Low | Volume | Market Capitalization |
|---|---|---|---|---|---|---|
| 06/22/2026 | $79.29 | $77.95 (-1.69%) | $79.69 | $77.27 | 1.03 M | $9.98 B |
| 06/18/2026 | $82.94 | $80.28 (-3.21%) | $83.09 | $80.09 | 1.73 M | $10.28 B |
| 06/17/2026 | $83.67 | $83.48 (-0.23%) | $87.27 | $83.23 | 736.44 K | $10.68 B |
| 06/16/2026 | $86.89 | $84.33 (-2.95%) | $87.66 | $83.92 | 1.12 M | $10.79 B |
| 06/15/2026 | $87.65 | $87.45 (-0.23%) | $88.76 | $86.16 | 620.70 K | $11.19 B |
| 06/12/2026 | $87.45 | $88.50 (1.2%) | $89.47 | $86.53 | 770.81 K | $11.33 B |
| 06/11/2026 | $88.43 | $87.27 (-1.31%) | $89.23 | $86.43 | 531.73 K | $11.17 B |
| 06/10/2026 | $86.50 | $87.12 (0.72%) | $88.99 | $85.81 | 1.18 M | $11.15 B |
| 06/09/2026 | $85.63 | $86.11 (0.56%) | $86.92 | $84.38 | 1.18 M | $11.02 B |
| 06/08/2026 | $84.38 | $85.26 (1.04%) | $85.78 | $83.75 | 914.80 K | $10.91 B |
| 06/05/2026 | $84.29 | $84.64 (0.42%) | $85.34 | $82.98 | 826.30 K | $10.83 B |
| 06/04/2026 | $86.29 | $85.25 (-1.21%) | $87.04 | $84.37 | 781.63 K | $10.91 B |
| 06/03/2026 | $86.46 | $86.39 (-0.08%) | $87.90 | $85.75 | 867.25 K | $11.06 B |
| 06/02/2026 | $86.31 | $86.83 (0.6%) | $87.93 | $85.89 | 722.20 K | $11.11 B |
| 06/01/2026 | $87.50 | $86.38 (-1.28%) | $88.99 | $86.34 | 916.70 K | $11.06 B |
| 05/29/2026 | $87.50 | $86.83 (-0.77%) | $87.81 | $86.08 | 916.40 K | $11.11 B |
| 05/28/2026 | $87.45 | $87.67 (0.25%) | $88.70 | $87.14 | 857.55 K | $11.22 B |
| 05/27/2026 | $86.91 | $87.81 (1.04%) | $89.37 | $86.39 | 1.07 M | $11.24 B |
| 05/26/2026 | $88.77 | $88.77 (0%) | $89.39 | $88.06 | 693.37 K | $11.36 B |
| 05/22/2026 | $88.76 | $88.60 (-0.18%) | $89.98 | $87.14 | 829.70 K | $11.34 B |
| 05/21/2026 | $88.73 | $88.10 (-0.71%) | $89.13 | $86.54 | 873.30 K | $11.28 B |
| 05/20/2026 | $88.47 | $88.50 (0.03%) | $89.49 | $87.75 | 926.40 K | $11.33 B |
| 05/19/2026 | $91.23 | $88.66 (-2.82%) | $91.23 | $88.15 | 1.10 M | $11.35 B |
| 05/18/2026 | $90.22 | $91.46 (1.37%) | $93.18 | $88.57 | 1.47 M | $11.71 B |
| 05/15/2026 | $91.19 | $88.59 (-2.85%) | $91.53 | $88.33 | 1.87 M | $11.34 B |
| 05/14/2026 | $93.65 | $91.53 (-2.26%) | $94.39 | $91.50 | 1.00 M | $11.72 B |
| 05/13/2026 | $97.34 | $92.27 (-5.21%) | $98.30 | $92.22 | 1.36 M | $11.81 B |
| 05/12/2026 | $99.02 | $96.54 (-2.5%) | $99.51 | $96.44 | 1.02 M | $12.36 B |
| 05/11/2026 | $94.88 | $97.56 (2.82%) | $98.95 | $93.86 | 1.50 M | $12.49 B |
| 05/08/2026 | $97.88 | $93.85 (-4.12%) | $98.47 | $93.42 | 1.40 M | $12.01 B |
| 05/07/2026 | $98.95 | $97.38 (-1.59%) | $100.05 | $97.10 | 1.41 M | $12.46 B |
| 05/06/2026 | $99.48 | $99.73 (0.25%) | $102.57 | $98.66 | 2.17 M | $12.76 B |
| 05/05/2026 | $102.70 | $104.78 (2.03%) | $106.93 | $101.23 | 1.80 M | $13.41 B |
| 05/04/2026 | $115.52 | $114.87 (-0.56%) | $116.26 | $112.40 | 1.20 M | $14.70 B |
| 05/01/2026 | $115.75 | $114.99 (-0.66%) | $117.05 | $114.78 | 1.16 M | $14.72 B |
| 04/30/2026 | $111.49 | $115.28 (3.4%) | $115.71 | $111.19 | 940.62 K | $14.75 B |
| 04/29/2026 | $112.09 | $111.41 (-0.61%) | $112.48 | $110.48 | 930.00 K | $14.26 B |
| 04/28/2026 | $112.41 | $110.35 (-1.83%) | $112.86 | $109.14 | 692.83 K | $14.12 B |
| 04/27/2026 | $111.91 | $111.19 (-0.64%) | $113.66 | $109.42 | 794.60 K | $14.23 B |
| 04/24/2026 | $112.00 | $110.64 (-1.21%) | $113.49 | $109.68 | 1.05 M | $14.16 B |
| 04/23/2026 | $114.35 | $112.25 (-1.84%) | $115.60 | $110.58 | 982.94 K | $14.37 B |
| 04/22/2026 | $117.47 | $114.28 (-2.72%) | $117.66 | $113.50 | 1.09 M | $14.63 B |
| 04/21/2026 | $112.93 | $115.65 (2.41%) | $115.88 | $112.15 | 854.60 K | $14.80 B |
| 04/20/2026 | $111.72 | $113.88 (1.93%) | $115.60 | $111.72 | 885.70 K | $14.58 B |
| 04/17/2026 | $114.00 | $112.61 (-1.22%) | $114.51 | $110.79 | 1.49 M | $14.41 B |
| 04/16/2026 | $116.73 | $119.00 (1.94%) | $119.23 | $116.41 | 1.08 M | $15.23 B |
| 04/15/2026 | $118.13 | $115.25 (-2.44%) | $118.41 | $114.43 | 951.54 K | $14.75 B |
| 04/14/2026 | $119.49 | $117.93 (-1.31%) | $119.97 | $115.01 | 935.33 K | $15.09 B |
| 04/13/2026 | $120.00 | $120.15 (0.13%) | $121.94 | $118.50 | 871.00 K | $15.38 B |
| 04/10/2026 | $118.97 | $118.37 (-0.5%) | $120.95 | $117.50 | 926.15 K | $15.15 B |
| 04/09/2026 | $120.99 | $117.21 (-3.12%) | $122.53 | $116.26 | 1.32 M | $15.00 B |
| 04/08/2026 | $114.25 | $120.81 (5.74%) | $120.88 | $113.33 | 1.53 M | $15.46 B |
| 04/07/2026 | $120.52 | $123.39 (2.38%) | $124.23 | $119.44 | 1.03 M | $15.79 B |
| 04/06/2026 | $117.61 | $119.53 (1.63%) | $119.60 | $116.37 | 1.04 M | $15.30 B |
| 04/02/2026 | $116.60 | $119.40 (2.4%) | $120.00 | $114.49 | 934.03 K | $15.28 B |
| 04/01/2026 | $117.00 | $116.58 (-0.36%) | $119.35 | $115.43 | 1.06 M | $14.92 B |
| 03/31/2026 | $116.75 | $116.82 (0.06%) | $119.69 | $114.47 | 1.23 M | $14.95 B |
| 03/30/2026 | $115.11 | $116.00 (0.77%) | $117.17 | $113.59 | 2.03 M | $14.85 B |
| 03/27/2026 | $111.80 | $113.29 (1.33%) | $114.44 | $111.80 | 1.08 M | $14.50 B |
| 03/26/2026 | $113.63 | $113.46 (-0.15%) | $115.94 | $112.56 | 1.04 M | $14.52 B |
| 03/25/2026 | $114.41 | $114.22 (-0.17%) | $116.19 | $113.23 | 1.12 M | $14.62 B |
| 03/24/2026 | $107.94 | $114.09 (5.7%) | $115.13 | $107.07 | 1.08 M | $14.60 B |
| 03/23/2026 | $107.79 | $108.50 (0.66%) | $111.47 | $107.00 | 1.55 M | $13.89 B |
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