The American Express Company, often abbreviated Amex, AmEx, AX or Amexco, is a global provider of financial services based in New York City, USA. The company is best known for its charge card, credit card, and traveler's cheque businesses.
As of February 2026 American Express has a market cap of โน21.946 Trillion. This makes American Express the world's 67th 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 Feb 2nd, 2026 the market cap of American Express was reported to be: