If your trading involves candlestick patterns...your going to need reliable and accurate data... * Bloomberg * CQG * FutureSource * Pro Realtime If your trading doesn't involve candlestick patterns and the your just interested in a charting program that has the options to convert the chart to Japanese Candlesticks. *eSignal * QCharts * LiveCharts * SierraChart * Any other charting program including your broker charts because candlestick charts if a basic charting feature (almost everybody has it). There's many more other data vendors to choose from... http://www.elitetrader.com/so/ NihabaAshi