WLKNYSE United States
Market cap
$9.900 B
$77.47 +0.00%
Close of 7 Aug 2026
Revenue
$11.2B
#388 by revenue
Earnings
-$1.51B
Loss-making
Shares outstanding
127,796,548
Latest filing cover page
P/E ratio
—
Cap ÷ net income
Where these numbers come from
Share counts and financials for Westlake are taken from its own SEC filings via EDGAR — public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Last updated 9 Aug 2026. Read the methodology.