平衡线:=Ema(C,21),COLOR0066FF; C1:=EMA(INDEXC,144)/MA(C,144); 大盘平衡线:=EMA(INDEXC/C1,21),COLOR990000,LINETHICK2; 强于大盘买点:=crOSS(平衡线,大盘平衡线) AND EMA(C,21)>REF(EMA(C,21),1); 盘:强于大盘买点;