:=(ema(c,3)+ema(c,6)+ema(c,12)+ema(c,24))/4;b:=oss(c,bbi);s:=cross(bbi,c);xg:if(c>bbi and ref(b,1),1,0),colorffffff,stick; {买入}xg:if(c<bbi and ref(s,1),1,0),colorff00ff,stick; {卖出}