LC := REF(CLOSE,1);VID := SUM(VOL,2)/(((HHV(HIGH,2)-LLV(LOW,2)))*100);RC := (CLOSE-LC)*VID;LONG := SUM(RC,0);DIFF := SMA(LONG,10,1);DEA := SMA(LONG,20,1);LON:=DIFF-DEA;LONMA:=MA(LON,10);XG:CROSS(LON,LONMA);