公式源码:

MA5:MA(CLOSE,5),COLOR00FFFF;

MA10:MA(CLOSE,10),COLORFF00FF;

MA60:MA(CLOSE,60),COLOR00FF00;

PDAY1:=BARSLAST(CROSS(MA5,MA60));{5日均线上穿60日均线}

PDAY2:=BARSLAST(CROSS(MA10,MA60));{10日均线上穿60日均线}

PDAY3:=BARSLAST((HIGH=HHV(HIGH,PDAY2)));{形成头部要下跌}

PDAY4:=BARSLAST(CROSS(MA10,MA5));{下跌后，5日均线与10日均线形成死叉}

PDAY5:=BARSLAST(CROSS(MA5,MA10));{回落不久后，5日均线与10日均线形成金叉}

A1:=(PDAY1>PDAY2) AND (PDAY2>PDAY3) AND (PDAY3>PDAY4) AND (PDAY4>PDAY5) AND (PDAY5<5);

A2:=(COUNT(CROSS(MA10,MA5),PDAY2)=1);

AA:=IF(A1 AND A2 AND (MA(CLOSE,5)>=MA(CLOSE,10)) AND (MA(CLOSE,10)>MA(CLOSE,60)),10,0);

BB:=FILTER(A1 AND A2 AND (MA(CLOSE,5)>=MA(CLOSE,10)) AND (MA(CLOSE,10)>MA(CLOSE,60)),5);

老鸭头:=IF(AA AND BB,1,0),COLOR00FF00;

DRAWICON(AA AND BB,LOW,1),COLORFFFF00;

DRAWTEXT(AA AND BB,(LOW)*(0.98),'老鸭头'),COLOR00FFFF;

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