MA5:=MA(CLOSE,5);
MA10:=MA(CLOSE,10);
MA60:=MA(CLOSE,60);
PDAY1:=BArslAst(crOSS(MA60,MA5));{5日均线下穿60日均线}
PDAY2:=BARSLAST(CROSS(MA60,MA10));{10日均线下穿60日均线,至此形成鸭颈部}
PDAY3:=BARSLAST(LOW=LLV(LOW,PDAY2));{形成头部,要反弹}
PDAY4:=BARSLAST(CROSS(MA5,MA10));{反弹后,5日均线和10日均线金叉}
PDAY5:=BARSLAST(CROSS(MA10,MA5));{反弹不久,5日均线和10日均线形成死叉,形成嘴部}
A1:=PDAY1>PDAY2 AND PDAY2>PDAY3 AND PDAY3>PDAY4 AND PDAY4>PDAY5 AND PDAY5<5;
A2:=COUNT(CROSS(MA10,MA5),PDAY2)=1;
鸭头:A1 AND A2,COLOR000099;