MACD二次零上红金叉条件选股公式

编写要求：

MACD二次零上红金叉

解答：

DIFF:=EMA(CLOSE,12) - EMA(CLOSE,26);
DEA:=EMA(DIFF,9);
MACD:=2*(DIFF-DEA);
AA:=DEA>0;
BB:=COUNT(CROSS(MACD,0),BARSLAST(CROSS(DEA,0)))=2;
CC:=BARSLAST(CROSS(MACD,0))<=2;
AA&&BB&&CC