drawtext(totaldaytrade=6 and ref(totaldaytrade=5,1),close,'交易停止');
nn:=valuewhen(totaldaytrade=6 and ref(totaldaytrade=5,1),todaybar);
hh:hhv(h,nn);
ll:llv(l,nn);
drawtext(mylost<-5000 and ref(mylost>-5000,1),close,'交易停止');
nn:=valuewhen(mylost<-5000 and ref(mylost>-5000,1),todaybar);
mylost是什么?