EMA13:=EMA(C,13); EMA21:=EMA(C,21); EMA34:=EMA(C,34); W1:=EMA13>EMA21 AND EMA21>EMA34; W2:=BARSLAST(C<REF(C,1))=W1; W3:=W1 AND W2 AND EMA13>REF(EMA13,1) AND CROSS(C,EMA13); W4:=W1 AND W2 AND EMA21>REF(EMA21,1) AND CROSS(C,EMA21); W3 OR W4;