X1:=HHV(H,5);
X2:=REF(HHV(H,5),1);
VERTLINE:=(X1>=X2,1),POINTDOT,COLOR808080;
VARAA:=LLV(LOW,30);
VARBB:=HHV(HIGH,30);
VARCC:=EMA((CLOSE-VARAA)/(VARBB-VARAA)*4,4)*25;
底背离:= STICKLINE(VARCC<10 AND 100*(HHV(HIGH,1