精准MACD底部启动之二次金叉选股指标公式
DIF:=EMA(CLOSE,12)-EMA(CLOSE,26);DEA:=EMA(DIF,9);JCCOUNT:=COUNT(CROSS(DIF,DEA),BARSLAST(DEA>=0));二次金叉:CROSS(DIF,DEA) AND DEA<0 AND COUNT(JCCOUNT=2,21)=1;
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