A method of displaying a price range of a market traded security during a time period includes a charting engine displaying a price bar, having a width of the time period, generating at least one of an upper and lower price bar, the upper bar having a height of a high price at a first time and the lower bar having a height of a low price at a second time during the time period, connecting a bottom of the upper price bar to the top of the price bar and the top of the lower bar to the bottom of the price bar, and displaying the price bar, the upper bar, and the lower bar that visually depicts and enables the user to see proportional to the price bar when the upper price bar and the lower price bar have occurred during the time period.