MACD顶背离的选股预警公式指标

编写条件：

MACD顶背离的选股预警公式指标。

编写方法：

DIFF:=EMA(CLOSE,12)-EMA(CLOSE,26);
DEA:=EMA(DIFF,9);
macd:=(DIFF-DEA)*2;
B:=BARSLAST(REF(crOSS(DEA,DIFF),1));
顶背:REF(H,B+1)<H AND DIFF<REF(DIFF,B+1) AND CROSS(DEA,DIFF);