As of April 2026 Best Buy has a market cap of A$19.38 Billion. This makes Best Buy the world's 1558th 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 31st, 2026 the market cap of Best Buy was reported to be: