将“波段”指标改成预警

 网友求助：

要求：下面指标出现波段时，编制预警。

源码：
K:=(C+H+L)/3;
D:=MA(K,4);
DRAWTEXT(REF(C,1)<D AND C>D AND D<REF(D,1) AND C>REF(C,1)*1.045,L*0.98, '波段'),COLORRED;
 

解答如下：

K:=(C+H+L)/3;
D:=MA(K,4);
REF(C,1)<D AND C>D AND D<REF(D,1) AND C>REF(C,1)*1.045;