VA:=IF(CLOSE>REF(CLOSE,1),vol,-VOL);
obv:=SUM(IF(CLOSE=REF(CLOSE,1),0,VA),0);
OBVbollM:=EMA(OBV,20);
红箭头:crOSS(OBV,OBVBOLLM);
VA:=IF(CLOSE>REF(CLOSE,1),vol,-VOL);
obv:=SUM(IF(CLOSE=REF(CLOSE,1),0,VA),0);
OBVbollM:=EMA(OBV,20);
红箭头:crOSS(OBV,OBVBOLLM);