请高手提取出，dif预警选股，谢谢！！
提取出，dif预警选股指标源码：
n:=55
DIF:EMA(CLOSE,12) - EMA(CLOSE,26),COLORRED;
A:REF(HHV(DIF,n),1);{N日内dif的最高值}
IF(A=REF(A,1) AND CROSS(DIF,A) AND COUNT(REF(DIF<A,1),10)>9,0.5,0);{买入信号}
喜欢玩短线的同学参考以下指标
DIF:EMA(CLOSE,12) - EMA(CLOSE,26),COLORRED;
A:REF(HHV(DIF,13),1);
IF(A=REF(A,1) AND CROSS(DIF,A) AND COUNT(REF(DIF<A,1),3)>2,0.5,0);
短线买入建议选择dif前期处于下降通道中的反弹高点为短期突破 N:=55;
DIF:=EMA(CLOSE,12)-EMA(CLOSE,26);
A:=REF(HHV(DIF,N),1);{N日内DIF的最高值}
IF(A=REF(A,1) AND CROSS(DIF,A) AND COUNT(REF(DIF<A,1),10)>9,0.5,0);{买入信号}
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