Abstract: In one embodiment, the present invention determines and graphically presents balance areas on a price chart for a tradable financial instrument such as a stock, bond, currency, future, etc. By highlighting such areas, the end user may more easily identify possible areas to initiate trades with good trade location according to the present invention. One method according to the present invention provides for receiving input from a user establishing parameters for determining at least one of: a value area, a market condition, and an expiring profile unit; receiving input from a market data component associated with at least one tradable financial instrument; providing a graphical user interface display in the form of a price chart; determining whether one or more profile units are to be displayed as part of the displayed price chart; and based upon the input from the market data component, re-assessing the determination of at least one profile unit to be displayed.