上线:=Ema(EMA(close,30),7);上线:=Ema(EMA(INDEXC,49),7);个股:close/个股上线*100,coloryellow,linethick2;个股:EMA(个股趋势,20),colorred;大盘趋势:INDEXC/大盘上线*100,colorff00ff,linethick2;大盘风险:EMA(大盘趋势,27),color00ff00;