While Yahoo Finance provides extensive tools for stock research and portfolio tracking, it is not a and does not execute stock trades directly. To buy stocks, you must use a regulated online brokerage . However, you can link supported brokerage accounts to the Yahoo Finance platform to monitor holdings and, in some cases, initiate trades through a linked broker's interface. How to Buy Stocks Using Yahoo Finance (Workflow) How to Buy Stocks on Yahoo Finance's App - Gorilla Trades