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划线主图：
N:=10;
A1:=REF(H,N)=HHV(H,2*N+1);
B1:=FILTER(A1,N);
C1:=BACKSET(B1,N+1);
D1:=FILTER(C1,N);{高点}
A2:=REF(L,N)=LLV(L,2*N+1);
B2:=FILTER(A2,N);
C2:=BACKSET(B2,N+1);
D2:=FILTER(C2,N);{低点}
E1:=(REF(LLV(L,2*N),1)+REF(HHV(H,2*N),1))/2;
E2:=(H+L)/2;{高低点出现在同一K线上时可作取舍}
H1:=(D1 AND NOT(D2 AND E1>=E2)) OR ISLASTBAR OR BARSCOUNT(C)=1;
L1:=(D2 AND NOT(D1 AND E1<E2));
H2:=D1 AND NOT(D2 AND E1>=E2);X1:=REF(BARSLAST(H1),1)+1;
F1:=BACKSET(H1 AND COUNT(L1,X1)>0,LLVBARS(IF(L1,L,10000),X1));
G1:=F1>REF(F1,1); I1:=BACKSET(G1,2);
LD:=I1>REF(I1,1),LINETHICK0;{过滤后低点}
L2:=LD OR ISLASTBAR OR BARSCOUNT(C)=1;
X2:=REF(BARSLAST(L2),1)+1;
F2:=BACKSET(L2 AND COUNT(H2,X2)>0,HHVBARS(IF(H2,H,0),X2));
G2:=F2>REF(F2,1);
I2:=BACKSET(G2,2);
HD:=I2>REF(I2,1),LINETHICK0;{过滤后高点}
R1:=BACKSET(ISLASTBAR,BARSLAST(HD)+1);
S1:=R1>REF(R1,1); {前一高}
T1:=BACKSET(ISLASTBAR,BARSLAST(LD)+1);
U1:=T1>REF(T1,1); {前一低}
R2:=BACKSET(S1,REF(BARSLAST(HD),1)+2);
S2:=R2>REF(R2,1); {前二高}
T2:=BACKSET(U1,REF(BARSLAST(LD),1)+2);
U2:=T2>REF(T2,1); {前二低}
T3:=BACKSET(U2,REF(BARSLAST(LD),1)+2);
U3:=T3>REF(T3,1); {前三低}
T4:=BACKSET(U3,REF(BARSLAST(LD),1)+2);
U4:=T4>REF(T4,1); {前四低}
R3:=BACKSET(S2,REF(BARSLAST(HD),1)+2);
S3:=R3>REF(R3,1); {前三高}
R4:=BACKSET(S3,REF(BARSLAST(HD),1)+2);
S4:=R4>REF(R4,1); {前四高}
压力1:DRAWLINE(S2,H,S1,H,1),COLORMAGENTA,LINETHICK1;
支撑1:=DRAWLINE(U2,L,U1,L,1),COLORMAGENTA,LINETHICK1;
压力2:DRAWLINE(S3,H,S2,H,1),COLORGREEN;
支撑2:=DRAWLINE(U3,L,U2,L,1),COLORGREEN;
压力3:=DRAWLINE(S4,H,S3,H,1),COLORGREEN,LINETHICK2;
支撑3:=DRAWLINE(U4,L,U3,L,1),COLORYELLOW,LINETHICK2;
GD3:REF(H,BARSLAST(S3)),DOTLINE,COLORLIGREEN;
GD2:REF(H,BARSLAST(S2)),DOTLINE,COLORLIMAGENTA;
GD1:REF(H,BARSLAST(S1)),DOTLINE,COLORYELLOW;
DRAWNUMBER(ISLASTBAR,GD1,GD1),COLORYELLOW;
DRAWNUMBER(ISLASTBAR,GD2,GD2),COLORLIMAGENTA;
DRAWNUMBER(ISLASTBAR,GD3,GD3),COLORLIGREEN;
NOTEXTM250:=MA(C,250),COLORBROWN;
M20:MA(C,20),COLORLIRED;
M10:MA(C,10),COLORLIBLUE;
M5:MA(C,5),COLORWHITE;
DRAWNUMBER(ISLASTBAR,MA(C,10),MA(C,10)),COLORLIBLUE;
C50:=COST(50),COLORGRAY;
WW:=DRAWNUMBER(ISLASTBAR,C50,C50),COLORLIGRAY;
ZT:=REF(C,1)*1.1-C<0.01 AND H=C;{涨停}
BA:STICKLINE(ZT,OPEN,CLOSE,0.1,0),COLORYELLOW;
DT:=IF((REF(C,1)-C)*100/REF(C,1)>=(10-0.01*100/REF(C,1)) AND L=C,1,0);{跌停};
BC:STICKLINE(DT,OPEN,CLOSE,0.1,0),COLORLIGREEN;
DA:=YEAR AND MONTH AND DAY;
AAA:=STRCAT(CON2STR(YEAR,0),'年');
AAB:=STRCAT(CON2STR(MONTH,0),'月');
AA33:=STRCAT(CON2STR(DAY,0),'日');
AA4:=STRCAT('【',IF(WEEKDAY=1,'一',IF(WEEKDAY=2,'二',IF(WEEKDAY=3,'三',IF(WEEKDAY=4,'四',IF(WEEKDAY=5,'五',IF(WEEKDAY=6,'六','日')))))));
AA1:=STRCAT(STRCAT(STRCAT(AAA,AAB),STRCAT(AA33,AA4)),'】');
DRAWTEXT_FIX(DA,0,0,0,AA1),COLORGREEN;
=========================================
选股公式如下：
N:=10;
A1:=REF(H,N)=HHV(H,2*N+1);
B1:=FILTER(A1,N);
C1:=BACKSET(B1,N+1);
D1:=FILTER(C1,N);{高点}
A2:=REF(L,N)=LLV(L,2*N+1);
B2:=FILTER(A2,N);
C2:=BACKSET(B2,N+1);
D2:=FILTER(C2,N);{低点}
E1:=(REF(LLV(L,2*N),1)+REF(HHV(H,2*N),1))/2;
E2:=(H+L)/2;{高低点出现在同一K线上时可作取舍}
H1:=(D1 AND NOT(D2 AND E1>=E2)) OR ISLASTBAR OR BARSCOUNT(C)=1;
L1:=(D2 AND NOT(D1 AND E1<E2));
H2:=D1 AND NOT(D2 AND E1>=E2);X1:=REF(BARSLAST(H1),1)+1;
F1:=BACKSET(H1 AND COUNT(L1,X1)>0,LLVBARS(IF(L1,L,10000),X1));
G1:=F1>REF(F1,1); I1:=BACKSET(G1,2);
LD:=I1>REF(I1,1),LINETHICK0;{过滤后低点}
L2:=LD OR ISLASTBAR OR BARSCOUNT(C)=1;
X2:=REF(BARSLAST(L2),1)+1;
F2:=BACKSET(L2 AND COUNT(H2,X2)>0,HHVBARS(IF(H2,H,0),X2));
G2:=F2>REF(F2,1);
I2:=BACKSET(G2,2);
HD:=I2>REF(I2,1),LINETHICK0;{过滤后高点}
R1:=BACKSET(ISLASTBAR,BARSLAST(HD)+1);
S1:=R1>REF(R1,1); {前一高}
T1:=BACKSET(ISLASTBAR,BARSLAST(LD)+1);
U1:=T1>REF(T1,1); {前一低}
R2:=BACKSET(S1,REF(BARSLAST(HD),1)+2);
S2:=R2>REF(R2,1); {前二高}
T2:=BACKSET(U1,REF(BARSLAST(LD),1)+2);
U2:=T2>REF(T2,1); {前二低}
T3:=BACKSET(U2,REF(BARSLAST(LD),1)+2);
U3:=T3>REF(T3,1); {前三低}
T4:=BACKSET(U3,REF(BARSLAST(LD),1)+2);
U4:=T4>REF(T4,1); {前四低}
R3:=BACKSET(S2,REF(BARSLAST(HD),1)+2);
S3:=R3>REF(R3,1); {前三高}
R4:=BACKSET(S3,REF(BARSLAST(HD),1)+2);
S4:=R4>REF(R4,1); {前四高}
压力1:=DRAWLINE(S2,H,S1,H,1),COLORMAGENTA,LINETHICK1;
压力2:=DRAWLINE(S3,H,S2,H,1),COLORGREEN;
XG1:CROSS(C,压力1);
XG2:CROSS(C,压力2);
847244283.jpg
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