As of December 2025 Capital One has a market cap of โน13.830 Trillion. This makes Capital One the world's 128th 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 10th, 2025 the market cap of Capital One was reported to be: