Westlake Chemical (WLK) - Market capitalization

Market cap: NZ$26.79 Billion

As of January 2025 Westlake Chemical has a market cap of NZ$26.79 Billion. This makes Westlake Chemical the world's 1210th 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
2025	NZ$26.79 B	2.73%
2024	NZ$26.08 B	-8.04%
2023	NZ$28.35 B	37.68%
2022	NZ$20.59 B	13.32%
2021	NZ$18.17 B	25.84%
2020	NZ$14.44 B	8.01%
2019	NZ$13.37 B	5.52%
2018	NZ$12.67 B	-34.56%
2017	NZ$19.36 B	85.87%
2016	NZ$10.41 B	0.81%
2015	NZ$10.33 B	-0.25%
2014	NZ$10.36 B	4.63%
2013	NZ$9.90 B	53.55%
2012	NZ$6.44 B	87.8%
2011	NZ$3.43 B	-8.02%
2010	NZ$3.73 B	64.85%
2009	NZ$2.26 B	22.88%
2008	NZ$1.84 B	13.52%
2007	NZ$1.62 B	-44.16%
2006	NZ$2.90 B	5.91%
2005	NZ$2.74 B	-9.64%
2004	NZ$3.03 B

End of Day market cap according to different sources

On Jan 23rd, 2025 the market cap of Westlake Chemical was reported to be:

NZ$26.64 Billion

by Yahoo Finance

NZ$26.64 Billion

by CompaniesMarketCap

NZ$26.65 Billion

by Nasdaq

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Dow DOW	NZ$50.89 B	89.97%	🇺🇸 USA
Huntsman Corporation HUN	NZ$5.25 B	-80.40%	🇺🇸 USA
Eastman Chemical EMN	NZ$18.82 B	-29.74%	🇺🇸 USA
Albemarle ALB	NZ$18.32 B	-31.60%	🇺🇸 USA
Celanese CE	NZ$14.17 B	-47.11%	🇺🇸 USA
Honeywell HON	NZ$255.37 B	853.14%	🇺🇸 USA
Olin OLN	NZ$6.71 B	-74.94%	🇺🇸 USA
Phillips 66 PSX	NZ$88.67 B	230.97%	🇺🇸 USA
Exxon Mobil XOM	NZ$835.05 B	3,016.71%	🇺🇸 USA

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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Market capitalization of Westlake Chemical (WLK)

Market cap: NZ$26.79 Billion