N1:-2;
N2:=9;
N3:=30;
VA:=IF(CLOSE>REF(CLOSE,1),vol/1000,-VOL/1000);
obv:SUM(IF(CLOSE=REF(CLOSE,1),0,VA),0)/10000,coloryellow,LINETHICK2;
MAOBV1:MA(OBV,N1);
MAOBV2:MA(OBV,N2);
MAOBV3:MA(OBV,N3);
买:IF( MAOBV1>REF(MAOBV1,1)AND REF(MAOBV1,2)>= REF(MAOBV1,1)AND MAOBV3>REF(MAOBV3,1)AND C>OPEN,MAOBV3,0);
