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以下是源码：

主图：

A1:=ATAN((MA(C,5)/REF(MA(C,5),1)-1)*100)*57.299999;

A2:=ATAN((MA(C,13)/REF(MA(C,13),1)-1)*100)*57.299999;

A3:=ATAN((MA(C,20)/REF(MA(C,20),1)-1)*100)*57.299999;

A4:=ATAN((MA(C,60)/REF(MA(C,60),1)-1)*100)*57.299999;

A5:=A1/50+A2/40+A3/21+A4/10;

A6:=C/REF(C,1)>1.098 AND C=HIGH AND OPEN<HIGH;

A7:=A6 AND NOT(REF(A6,1)) AND REF(OPEN,1)<REF(HIGH,1);

A8:=BARSLAST(A7);

A9:=C<REF(OPEN,A8) AND A8<4 AND A8>1;

A10:=BARSLAST(A9);

A11:=A10<4 AND C>REF(OPEN,A8) AND REF(HIGH,A8-1)>REF(HIGH,A8) AND REF(VOL,A8-1)>REF(VOL,A8) AND A5<7;

A12:=CODELIKE('60')||CODELIKE('00')||CODELIKE('30');

A13:=FILTER(A11,4) AND A12;

STICKLINE(A13,O,C,1,0),COLORYELLOW;

DRAWTEXT(A13,L*0.97,'N字封喉'),COLORYELLOW;

DRAWSL(A13,LLV(L,3),0,10,0)COLORGREEN;

附选同源码：

A1:=ATAN((MA(C,5)/REF(MA(C,5),1)-1)*100)*57.299999;

A2:=ATAN((MA(C,13)/REF(MA(C,13),1)-1)*100)*57.299999;

A3:=ATAN((MA(C,20)/REF(MA(C,20),1)-1)*100)*57.299999;

A4:=ATAN((MA(C,60)/REF(MA(C,60),1)-1)*100)*57.299999;

A5:=A1/50+A2/40+A3/21+A4/10;

A6:=C/REF(C,1)>1.098 AND C=HIGH AND OPEN<HIGH;

A7:=A6 AND NOT(REF(A6,1)) AND REF(OPEN,1)<REF(HIGH,1);

A8:=BARSLAST(A7);

A9:=C<REF(OPEN,A8) AND A8<4 AND A8>1;

A10:=BARSLAST(A9);

A11:=A10<4 AND C>REF(OPEN,A8) AND REF(HIGH,A8-1)>REF(HIGH,A8) AND REF(VOL,A8-1)>REF(VOL,A8) AND A5<7;

A12:=CODELIKE('60')||CODELIKE('00')||CODELIKE('30');

选股:FILTER(A11,4) AND A12,COLORYELLOW;