As of October 2026 Best Buy has a market cap of NZ$31.70 Billion. This makes Best Buy the world's 1265th 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 Oct 7th, 2026 the market cap of Best Buy was reported to be: