The closing price for Westlake Chemical (WLK) yesterday was $91.56. It was down 1.7% for the day (down 0.8% from previous close).
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
May 14 2026 19:30 | $92.79 | $93.00 | $91.50 | $91.56 | 73,568 |
May 14 2026 18:30 | $92.91 | $93.15 | $92.48 | $92.76 | 12,492 |
May 14 2026 17:30 | $93.22 | $93.42 | $92.63 | $93.06 | 9,082 |
May 14 2026 16:30 | $93.26 | $93.58 | $93.00 | $93.58 | 8,908 |
May 14 2026 15:30 | $94.07 | $94.09 | $93.71 | $93.77 | 7,806 |
May 14 2026 14:30 | $93.74 | $94.00 | $93.16 | $93.74 | 8,236 |
May 14 2026 13:30 | $93.10 | $94.15 | $92.52 | $93.86 | 4,262 |
Daily pricing data for Westlake Chemical dates back to 8/11/2004, and may be incomplete.