二次金叉和底背离及三全项选股

DIFF:EMA(CLOSE,12)-EMA(CLOSE,27);

DEA:EMA(DIFF,9);
  JCCOUNT:=COUNT(CROSS(DIFF,DEA),BARSLAST(DEA>=0));
二次金叉:CROSS(DIFF,DEA) AND DEA<0 AND COUNT(JCCOUNT=2,21)=1; 

DIFF:EMA(CLOSE,12)-EMA(CLOSE,27);
DEA:EMA(DIFF,9);
  A1:=BARSLAST(REF(CROSS(DIFF,DEA),1));
底背离:REF(CLOSE,A1+1)>CLOSE AND DIFF>REF(DIFF,A1+1) AND CROSS(DIFF,DEA); 

DIFF:EMA(CLOSE,12)-EMA(CLOSE,27);
DEA:EMA(DIFF,9);
低位金叉:=CROSS(DIFF,DEA) AND DIFF<-0.1;
JCCOUNT:=COUNT(CROSS(DIFF,DEA),BARSLAST(DEA>=0));
二次金叉:=CROSS(DIFF,DEA) AND DEA<0 AND COUNT(JCCOUNT=2,21)=1;
A1:=BARSLAST(REF(CROSS(DIFF,DEA),1));
底背离:=REF(CLOSE,A1+1)>CLOSE AND DIFF>REF(DIFF,A1+1) AND CROSS(DIFF,DEA); 
三全项:=低位金叉 AND 二次金叉 AND 底背离