LyondellBasell (LYB) - Market capitalization

Market cap: £18.41 Billion

As of March 2025 LyondellBasell has a market cap of £18.41 Billion. This makes LyondellBasell the world's 851th 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 LyondellBasell from 2010 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	£18.41 B	-4.04%
2024	£19.18 B	-20.74%
2023	£24.20 B	8.32%
2022	£22.34 B	-1.72%
2021	£22.73 B	1.26%
2020	£22.45 B	-6.55%
2019	£24.02 B	-2.38%
2018	£24.61 B	-23.56%
2017	£32.19 B	13.65%
2016	£28.33 B	9.76%
2015	£25.81 B	3.94%
2014	£24.83 B	-7.03%
2013	£26.71 B	32.2%
2012	£20.20 B	67.39%
2011	£12.07 B	-4.05%
2010	£12.58 B

End of Day market cap according to different sources

On Mar 18th, 2025 the market cap of LyondellBasell was reported to be:

£18.67 Billion

by Yahoo Finance

£18.67 Billion

by CompaniesMarketCap

£18.66 Billion

by Nasdaq

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Westlake Chemical WLK	£10.07 B	-45.29%	🇺🇸 USA
Sasol SSL	£2.09 B	-88.63%	🇿🇦 South Africa
Dupont De Nemours DD	£25.04 B	36.03%	🇺🇸 USA
Celanese CE	£4.83 B	-73.74%	🇺🇸 USA
Dow DOW	£20.30 B	10.28%	🇺🇸 USA
Braskem BAK	£1.23 B	-93.31%	🇧🇷 Brazil

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 LyondellBasell (LYB)

Market cap: £18.41 Billion