What should I do to report a $150 signup bonus for opening a brokerage account?
it's income. you'll probably get a 1099 from the brokerage but some won't be issued until later in January and some not until February. you could always call the brokerage.
You have clicked a link to a site outside of the TurboTax Community. By clicking "Continue", you will leave the Community and be taken to that site instead.