Westlake Corporation (WLK)
Showing Closing Date Range from Aug 11 to Nov 9, 2026 compared to May 12 to Aug 10, 2026.
Compare Last 3 Months with Previous Period
Investor Relations:westlake.com
Current Period Close
$64.13
Aug 11, 2026 - Nov 09, 2026
Previous Period Close
$79.09
May 12, 2026 - Aug 10, 2026
Net Comparison Delta
$-14.96 (-18.92%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(62 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Nov 09, 2026 | $64.13 | Aug 10, 2026 | $79.09 | -18.92% |
| Nov 06, 2026 | $63.49 | Aug 07, 2026 | $77.47 | -18.05% |
| Nov 05, 2026 | $66.28 | Aug 06, 2026 | $77.47 | -14.44% |
| Nov 04, 2026 | $67.90 | Aug 05, 2026 | $78.74 | -13.77% |
| Nov 03, 2026 | $68.47 | Aug 04, 2026 | $80.63 | -15.08% |
| Nov 02, 2026 | $71.17 | Aug 03, 2026 | $69.89 | +1.83% |
| Oct 30, 2026 | $68.28 | Jul 31, 2026 | $70.50 | -3.15% |
| Oct 29, 2026 | $66.01 | Jul 30, 2026 | $71.72 | -7.96% |
| Oct 28, 2026 | $65.83 | Jul 29, 2026 | $72.25 | -8.89% |
| Oct 27, 2026 | $66.17 | Jul 28, 2026 | $72.16 | -8.30% |
| Oct 26, 2026 | $65.31 | Jul 27, 2026 | $72.33 | -9.71% |
| Oct 23, 2026 | $64.56 | Jul 24, 2026 | $73.82 | -12.54% |
| Oct 22, 2026 | $64.14 | Jul 23, 2026 | $75.23 | -14.74% |
| Oct 21, 2026 | $60.84 | Jul 22, 2026 | $77.06 | -21.05% |
| Oct 20, 2026 | $62.69 | Jul 21, 2026 | $76.22 | -17.75% |
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