DIFF:=EMA(CLOSE,12)-EMA(CLOSE,27); DEA:=EMA(DIFF,9); MACD:=2*(DIFF-DEA); JCCOUNT:=COUNT(CROSS(DIFF,DEA),BARSLAST(DEA>=0)); 二次金叉:CROSS(DIFF,DEA) AND DEA<0 AND COUNT(JCCOUNT=2,21)=1;
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