As of September 2026 Best Buy has a market cap of C$27.23 Billion. This makes Best Buy the world's 1195th 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 Sep 18th, 2026 the market cap of Best Buy was reported to be: