MACD线下3金叉的选股公式

九毛八公式指标

老师们，请教MACD线下3金叉的选股公式应怎样写呀

公式模块：

DIFF := EMA(CLOSE,12) - EMA(CLOSE,26);

DEA : =EMA(DIFF,9); macd : =2*(DIFF-DEA); macd线下三金:crOSS(DIFF,DEA) AND COUNT(CROSS(DIFF,DEA),BArslAST(DEA>=0))=3;