Abstract: A system and method provides for visual analysis of graphical representations of financial data including one or more processing devices operative to perform processing operations including electronically generating a graphical display for a plurality of historical financial data, including the graphical display of values of the financial data over a first time interval. The method and system further includes electronically generating a technical overlay based on the historical financial data and incorporating it within the graphical display. The method and system receives a user input of estimated financial data estimating financial data values over a second time interval, therein updating the technical overlay based on the estimated financial data, including the technical overlay within the second time interval and updating the graphical display including the estimated financial data and the updated technical overlay.