As of April 2026 Capital One has a market cap of โน10.692 Trillion. This makes Capital One the world's 179th 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 Mar 31st, 2026 the market cap of Capital One was reported to be: