A computer implemented method for displaying to a user a OHLC (open, high, low, close) bar representative of a price range of a market traded security during a time period includes a charting engine generating and displaying an open-close price line drawn from an open price to a close price of the time period and the charting engine generating and displaying a high-low price line intersecting the open-close price line where the high-low price line is drawn from a high price at a first time during the time period to a low price at a second time during the time period.