Phillips 66 (PSX) - Market capitalization

Market cap: HK$553.42 Billion

As of May 2026 Phillips 66 has a market cap of HK$553.42 Billion. This makes Phillips 66 the world's 345th 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 Phillips 66 from 2012 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	HK$553.42 B	37.77%
2025	HK$401.69 B	11.27%
2024	HK$360.99 B	-21.09%
2023	HK$457.47 B	19.03%
2022	HK$384.34 B	55.24%
2021	HK$247.58 B	4.54%
2020	HK$236.82 B	-38.11%
2019	HK$382.66 B	24.35%
2018	HK$307.74 B	-23.15%
2017	HK$400.46 B	14.74%
2016	HK$349.00 B	3.98%
2015	HK$335.65 B	10.46%
2014	HK$303.86 B	-13.92%
2013	HK$352.98 B	37.54%
2012	HK$256.64 B

End of Day market cap according to different sources

On May 1st, 2026 the market cap of Phillips 66 was reported to be:

HK$553.42 Billion

by Nasdaq

HK$553.42 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Marathon Petroleum MPC	HK$567.91 B	2.62%	🇺🇸 USA
Exxon Mobil XOM	HK$4.974 T	798.79%	🇺🇸 USA
Chevron CVX	HK$2.974 T	437.53%	🇺🇸 USA
HollyFrontier HFC	HK$46.47 B	-91.60%	🇺🇸 USA
Valero Energy VLO	HK$578.33 B	4.50%	🇺🇸 USA
Calumet, Inc. CLMT	HK$22.96 B	-95.85%	🇺🇸 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 Phillips 66 (PSX)

Market cap: HK$553.42 Billion