A method of displaying an OHLC (open, high, low, close) type symbol representative of changes in price during a time period, the time period having a first duration T, the method includes receiving an intra-time-period resolution value N, wherein N is an integer greater than two, calculating a second duration by dividing T by N, the second duration representative of an intra-time period within the time period, obtaining N items of the OHLC data, wherein each item of the obtained OHLC data is representative of price changes over a particular intra-time period having the second duration of a plurality of intra-time periods within the time period, and displaying, by the charting engine, in accordance with a selected symbol rendering method, the OHLC type symbol generated based on the received N items of OH LC data.