M5:=EMA(C,43);
M6:=EMA(C,55);
M7:=MA(C,78);
M8:=EMA(M7,3);
M9:=EMA(M8,3);
M11:=EMA(M9,3);
MA47:=EMA(CLOSE,46);
MA60:=EMA(CLOSE,60);
Y:=(H+L)/2;
AO:=MA(Y,5)-MA(Y,34 );
DU0:=CROSS(AO,0);
UD0:=CROSS(0,AO);
TDU0:=BARSLAST(DU0);
TUD0:=BARSLAST(UD0);
DU3:=REF(DU0,1);
UD3:=REF(UD0,1);
TDU3:=BARSLAST(DU3);
TUD3:=BARSLAST(UD3);
UDGLINE:=IF(TDU3<TUD3,REF(HHV(H,2),TDU3),REF(LLV(L,2),TUD3));
JDU0:=REF(C,1)<=REF(UDGLINE,1) AND C>UDGLINE AND TDU0<TUD0;
JUD0:=REF(C,1)>=REF(UDGLINE,1) AND C<UDGLINE AND TUD0<TDU0;
JDU1:=JDU0 AND COUNT(JDU0,TDU0)=1;
JUD1:=JUD0 AND COUNT(JUD0,TUD0)=1;
JDU2:=JDU1 AND REF(BARSLAST(JUD1),1)<REF(BARSLAST(JDU1),1);
JUD2:=JUD1 AND REF(BARSLAST(JUD1),1)>REF(BARSLAST(JDU1),1);
JDU3:=JDU1 AND REF(BARSLAST(JUD1),1)>REF(BARSLAST(JDU1),1);
JUD3:=JUD1 AND REF(BARSLAST(JUD1),1)<REF(BARSLAST(JDU1),1);
锁定牛股:JDU2 AND M9*0.90;