1. A computing device comprising: an electronic processor; a user input device coupled with the processor and configured to receive a user input for the computing device; a market data receiver coupled with the electronic processor and configured to receive market data from an electronic exchange; an electronic output device coupled with the electronic processor and configured to display a user-selectable indicator, an annotation marker, an annotation record, and the market data from the electronic exchange in a graphical format, the market data being displayed substantially as the market data is received by the market data receiver; and an electronic storage medium coupled with the electronic output device and configured to store user data with the annotation record, where a user-flagged portion of market data received from the electronic exchange and displayed by the electronic output device is identified in response to the user input received by the user input device to flag the portion of the market data received from the electronic exchange, where the electronic processor is configured to assign the annotation marker to the user-flagged portion of the market data received from the electronic exchange in response to receiving the user input and to display the user-selectable indicator for the annotation marker assigned to the user-flagged portion of market data received from electronic exchange the electronic processor via the electronic output device, and where the annotation record is displayed by the electronic device in response to a user-selection of the user-selectable indicator received via the user input.