As of March 2026 Capital One has a market cap of S$153.61 Billion. This makes Capital One the world's 174th 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 3rd, 2026 the market cap of Capital One was reported to be: