Author Message j_medved Registered: Sep 2001 Posts: 1354 QT API is for retrieving data out of QT or for trading. You cannot use it to get the data back into QT for it to chart -------------------------------------------------------------------------------- koms wrote on 07-13-06 03:43 PM: e.g. Say I use quote API to get data from my broker and do some calculations with open of day, high of day ,low of day and current tick close and say come up with one value for every tick. Now I want to plot this value as chart . Is this possible. Its like custom value charting. --------------------------------------------------------------------------------