Abstract: A method for performing automated trading activities is disclosed. The method includes providing to a trader, over the communications network, a graphical user interface comprising a display for displaying a particular financial interest, a first button for purchasing long shares in the financial interest at a close of the current formation, a second button for selling short shares in the financial interest at the close of the current formation, and a third button for closing a predefined position in the financial interest at the close of the current formation. The method further includes receiving, over the communications network, market data associated with the financial interest, receiving, over the communications network, a message indicating that the trader has activated the first button, generating an order to purchase a predefined amount of long shares in the financial interest, and issuing said order at the close of the current formation.