As of March 2026 Diageo has a market cap of C$61.41 Billion. This makes Diageo the world's 534th 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 9th, 2026 the market cap of Diageo was reported to be: