As of January 2026 Capital One has a market cap of โน13.819 Trillion. This makes Capital One the world's 126th 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 Jan 17th, 2026 the market cap of Capital One was reported to be: