Yahoo does not offer financial services. Yahoo is not a financial services provider. However, you can link a supported brokerage account to your Yahoo Finance account and view your holdings and balances. Beware of fake internet sites or emails that pretend to be Yahoo providing financial services.What is Yahoo Finance my portfolios?
My Portfolio is Yahoo Finance's toolkit that enables you to follow the collected stocks you are interested in tracking, by the creation of watchlists, multiple portfolios you can build based on your actual, potential, or fantasy holdings, and linked brokerage account portfolios (as applicable).