WLK - Company ID 0001262823
As of 2026-11-06, WESTLAKE CORP (WLK) has a market capitalization of $8.20 B, making it the #1033 most valuable US-listed company.
| Date | Market cap |
|---|---|
| 2026-11-06 | $8.20 B |
| 2026-11-05 | $8.46 B |
| 2026-11-04 | $8.70 B |
| 2026-11-03 | $8.77 B |
| 2026-11-02 | $9.01 B |
| 2026-11-01 | $8.75 B |
| 2026-10-31 | $8.75 B |
| 2026-10-30 | $8.68 B |
| 2026-10-29 | $8.42 B |
| 2026-10-28 | $8.43 B |
| 2026-10-27 | $8.48 B |
| 2026-10-26 | $8.37 B |
As of 2026-11-06, WESTLAKE CORP (WLK) has a market capitalization of $8.20 B, making it the #1033 most valuable US-listed company.
WESTLAKE CORP is the #1033 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| 2026-10-25 | $8.27 B |
| 2026-10-24 | $8.27 B |
| 2026-10-23 | $8.27 B |
| 2026-10-22 | $8.22 B |
| 2026-10-21 | $7.85 B |
| 2026-10-20 | $8.01 B |
| 2026-10-19 | $7.98 B |
| 2026-10-18 | $8.11 B |
| 2026-10-17 | $8.11 B |
| 2026-10-16 | $8.05 B |
| 2026-10-15 | $8.15 B |
| 2026-10-14 | $7.97 B |
| 2026-10-13 | $7.92 B |
| 2026-10-12 | $7.93 B |
| 2026-10-11 | $7.98 B |
| 2026-10-10 | $7.98 B |
| 2026-10-09 | $7.98 B |
| 2026-10-08 | $7.98 B |
Readings accumulate daily as market data refreshes, combining SEC-reported share counts with live prices.