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Westlake Chemical
WLK
#2143
Rank
A$13.13 B
Marketcap
๐Ÿ‡บ๐Ÿ‡ธ United States
Country
A$102.40
Share price
0.07%
Change (1 day)
-46.34%
Change (1 year)
๐Ÿงช Chemicals
Categories

Market capitalization of Westlake Chemical (WLK)

Market cap: A$13.13 Billion

As of December 2025 Westlake Chemical has a market cap of A$13.13 Billion. This makes Westlake Chemical the world's 2143th 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.

Market cap history of Westlake Chemical from 2004 to 2025

End of year Market Cap

Year Marketcap Change
2025A$13.13 B-44.45%
2024A$23.64 B-10.17%
2023A$26.32 B36.98%
2022A$19.21 B12.22%
2021A$17.12 B26.35%
2020A$13.55 B5.37%
2019A$12.86 B6.6%
2018A$12.06 B-31.51%
2017A$17.61 B75.95%
2016A$10.01 B3.12%
2015A$9.70 B-2.12%
2014A$9.91 B8.73%
2013A$9.12 B78.7%
2012A$5.10 B95.32%
2011A$2.61 B-7.81%
2010A$2.83 B54.85%
2009A$1.83 B20.79%
2008A$1.51 B6.57%
2007A$1.42 B-45.25%
2006A$2.59 B1.33%
2005A$2.56 B-8.46%
2004A$2.80 B

End of Day market cap according to different sources

On Dec 6th, 2025 the market cap of Westlake Chemical was reported to be:

A$13.13 Billion
by Nasdaq info icon info icon
A$13.13 Billion
by CompaniesMarketCap info icon info icon

Market capitalization for similar companies or competitors

Name Marketcap Market cap differencediff. Country
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Honeywell
HON
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Olin
OLN
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Phillips 66
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Exxon Mobil
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What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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