The present invention provides a stock information broadcast device for broadcasting dynamically updated stock information. The device has a processor for controlling a radio receiving module, a screen and an audio output device, wherein the processor is able to execute a program for achieving the following functions: operating a first selection operation for selecting at least one stock information as a selected stock information; operating a display operation for displaying the selected stock information on the screen; operating a second selection operation for selecting at least one trading information to be outputted to the audio output device, and operating a broadcast operation for broadcasting the selected trading information.