MACD买二 DEA上穿0轴后在0轴上死叉后又金叉

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

DEA:=EMA(DIF,9);

MACD:=(DIF-DEA)*2;

AA:=CROSS(DIF,DEA) AND DEA>0;

BB:=BARSLAST(CROSS(DEA,DIF)) AND DEA>0;

CC:=REF(BARSLAST(CROSS(DIF,0))<20,BARSLAST(CROSS(DEA,DIF))+1);

AA AND BB AND CC;