Westlake Corporation (WLK)
Showing Closing Date Range from May 2 to Oct 29, 2026 compared to Nov 2, 2025 to May 1, 2026.
Compare Last 6 Months with Previous Period
Investor Relations:westlake.com
Current Period Close
$66.01
May 02, 2026 - Oct 29, 2026
Previous Period Close
$114.99
Nov 02, 2025 - May 01, 2026
Net Comparison Delta
$-48.98 (-42.60%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(123 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Oct 29, 2026 | $66.01 | Apr 30, 2026 | $115.28 | -42.74% |
| Oct 28, 2026 | $65.83 | Apr 29, 2026 | $111.41 | -40.91% |
| Oct 27, 2026 | $66.17 | Apr 28, 2026 | $110.35 | -40.04% |
| Oct 26, 2026 | $65.31 | Apr 27, 2026 | $111.19 | -41.26% |
| Oct 23, 2026 | $64.56 | Apr 24, 2026 | $110.64 | -41.65% |
| Oct 22, 2026 | $64.14 | Apr 23, 2026 | $112.25 | -42.86% |
| Oct 21, 2026 | $60.84 | Apr 22, 2026 | $114.28 | -46.76% |
| Oct 20, 2026 | $62.69 | Apr 21, 2026 | $115.65 | -45.79% |
| Oct 19, 2026 | $62.29 | Apr 20, 2026 | $113.88 | -45.30% |
| Oct 16, 2026 | $63.33 | Apr 17, 2026 | $112.61 | -43.76% |
| Oct 15, 2026 | $63.61 | Apr 16, 2026 | $119.00 | -46.55% |
| Oct 14, 2026 | $62.21 | Apr 15, 2026 | $115.25 | -46.02% |
| Oct 13, 2026 | $61.86 | Apr 14, 2026 | $117.93 | -47.55% |
| Oct 12, 2026 | $61.85 | Apr 13, 2026 | $120.15 | -48.52% |
| Oct 09, 2026 | $62.29 | Apr 10, 2026 | $118.37 | -47.38% |
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