As of March 2025 Westlake Chemical has a market cap of €13.29 Billion. This makes Westlake Chemical the world's 1287th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Mar 3rd, 2025 the market cap of Westlake Chemical was reported to be: