A system and method for managing transactions of financial instruments that comprises generating a graphical representation having a plurality of multi-dimensional objects positioned along an axis. Each position along the axis represents a price of a financial instrument. The system receives an indication that at least one multi-dimensional object has been selected. The system generates, in response to the at least one multi-dimensional object being selected, a dialog box in the graphical representation. The system receives information relating to a transaction of the financial instrument. The information is displayed in the dialog box and comprises a desired volume of the financial instrument at a specific price. The system communicates to a remote device the information. The remote device is in communication with the processor over a network. The system receives an indication that the transaction of the financial instrument has been executed for the desired volume at the specific price.