TotalMarketCap

Westlake

WLKNYSE United StatesIndustrialsMajor Chemicals

Market cap

$8.483 B

$66.34 -2.31%

Close of 6 Nov 2026

As of 6 Nov 2026, Westlake (WLK) has a market capitalization of $8.48B. Market cap measures the value of outstanding equity at market prices; company totals combine applicable share classes. Prices and market caps come from Nasdaq, with financial fundamentals from SEC filings. See sources and calculation details.

Revenue

$11.2B

#385 by revenue

Earnings

-$1.51B

Loss-making

Shares outstanding

127,886,945

Latest filing cover page

P/E ratio

—

Cap ÷ net income

Major Chemicals, ranked by market cap

All 69 →
  1. #7AlbemarleALB$11.6B
  2. #8Solstice Advanced MaterialsSOLS$8.63B
  3. #9WestlakeWLK$8.48B
  4. #10Eastman ChemicalEMN$7.49B
  5. #11Element SolutionsESI$7.44B

What if Westlake were worth as much as…

Open the what-if tool →

Gold $28.2T

$220,795.59

Per share 3,328× higher

Bitcoin $1.53T

$11,946.87

Per share 180× higher

Apple $5.02T

$39,220.44

Per share 591× higher

Or at a round number

$20.0B$50.0B$100.0B$200.0B

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. Read the methodology.