As of January 2026 Halliburton has a market cap of HK$187.52 Billion. This makes Halliburton the world's 966th 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 Dec 31st, 2025 the market cap of Halliburton was reported to be: