#property indicator_chart_window #property indicator_buffers 1 #property indicator_color1 Red double ExtMapBuffer1[]; int init() { SetIndexStyle(0,DRAW_LINE); SetIndexBuffer(0,ExtMapBuffer1); return(0); } int start() { int cnt; for (cnt=0 ; cnt<=iBars(NULL,0); cnt++) { ExtMapBuffer1[cnt] = iClose( "GBPUSD", 0, cnt)*iClose( "EURGBP", 0, cnt); }//for ExtMapBuffer1[0] = MarketInfo( "GBPUSD", MODE_BID)*MarketInfo( "EURGBP", MODE_BID); return(0); }