histogram buy/sell simple but effective amibroker afl with massagebox used…enjoy trading…. Buysell=ParamToggle(\”buysell\”,\”HBS|LHBS\”,1); //HBS mean histogram buy sell and LHBS mean low buy high sell font = ParamToggle(\”font\”,\”Show|Hide\”,1); messageboard = ParamToggle(\”Message Board\”,\”Show|Hide\”,0); prexplore= ParamToggle(\”perce/buysell\”,\”pers|buysell\”,1); P = ParamField(\”Price field\”,-1); prds = Param(\”Standard…