平衡线:=EMA(C,21),COLOR0066FF;C1:=EMA(INDEXC,144)/MA(C,144);大盘平衡线:=EMA(INDEXC/C1,21);强于大盘买点:CROSS(平衡线,大盘平衡线) AND EMA(C,21)>REF(EMA(C,21),1);