As of December 2025 Arch Capital has a market cap of โน3.240 Trillion. This makes Arch Capital the world's 651th 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 19th, 2025 the market cap of Arch Capital was reported to be: