VAR1:=EMA(CLOSE,60)-EMA(CLOSE,300);VAR2:=EMA(VAR1,300);VAR3:=(CLOSE-LLV(LOW,8))/(HHV(HIGH,8)-LLV(LOW,8))*100;V4:SMA(VAR3,2,1);V5:SMA(V4,2,1);VAR4:=CLOSE/REF(CLOSE,3)>=1.1;VAR5:=BACKSET(VAR4,3);:IF(VAR5 AND COUNT(VAR5,3)=1,30,0),COLORYELLOW,LINETHICK3;DRAWTEXT(买入,35,1),COLORYELLOW,LINETHICK3;