As of January 2026 eBay has a market cap of A$64.55 Billion. This makes eBay the world's 567th 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 14th, 2026 the market cap of eBay was reported to be: