四线向上

A:=EMA(C,50)>REF(EMA(C,50),1) AND REF(EMA(C,50),1)>REF(EMA(C,50),2);{50均线向上}

B:=EMA(V,5)>EMA(V,60);{5均量线>60均量线}

Q:=CROSS(EMA(C,21),EMA(C,50)) OR EMA(C,21)-EMA(C,50)<0.02;{21均线上穿50均线或21均线粘合50均线}

W:=ABS(C-O)/O<0.02 AND V<REF(V,1);{缩量十字星}

XG:A AND B AND Q AND W;