通达信波浪趋势主图指标公式：包含未来函数:BACKSET，:DRAWLINE

A1:=REF(HIGH,3)=HHV(HIGH,2*3+1); B1:=FILTER(A1,3); C1:=BACKSET(B1,3+1); D1:=FILTER(C1,3);{高点}
A2:=REF(LOW,3)=LLV(LOW,2*3+1); B2:=FILTER(A2,3); C2:=BACKSET(B2,3+1); D2:=FILTER(C2,3);{低点}
E1:=(REF(LLV(LOW,2*3),1)+REF(HHV(HIGH,2*3),1))/2; E2:=(HIGH+LOW)/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(CLOSE)=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,LOW,10000),X1));
G1:=F1>REF(F1,1); I1:=BACKSET(G1,2); LD:=I1>REF(I1,1);{过滤后低点}
L2:=LD OR ISLASTBAR OR BARSCOUNT(CLOSE)=1;
X2:=REF(BARSLAST(L2),1)+1; F2:=BACKSET(L2 AND COUNT(H2,X2)>0,HHVBARS(IF(H2,HIGH,0),X2));
G2:=F2>REF(F2,1); I2:=BACKSET(G2,2); HD:=I2>REF(I2,1);{过滤后高点}
DRAWLINE(LD,L,HD,H,0),COLORWHITE,LINETHICK1,DOTLINE;
DRAWLINE(HD,H,LD,L,0),COLORWHITE,LINETHICK1,DOTLINE;
J1:=BACKSET(ISLASTBAR,MIN(BARSLAST(HD),BARSLAST(LD))+1); J2:=J1>REF(J1,1);
DRAWLINE(J2,IF(HD,H,L),ISLASTBAR,IF(BARSLAST(HD)>BARSLAST(LD),H,L),0),COLORWHITE,LINETHICK1,DOTLINE;
A3:=H<REF(H,REF(BARSLAST(HD),1)+1);
B3:=REF(H,REF(BARSLAST(HD),1)+1)>REF(H,REF(BARSLAST(HD),1)+2+REF(BARSLAST(HD),REF(BARSLAST(HD),1)+2));
D3:=A3 AND B3 AND HD; E3:=BACKSET(D3,REF(BARSLAST(HD),1)+2); HH:=E3>REF(E3,1);{找出全部长期高点}
A4:=L>REF(L,REF(BARSLAST(LD),1)+1);
B4:=REF(L,REF(BARSLAST(LD),1)+1)<REF(L,REF(BARSLAST(LD),1)+2+REF(BARSLAST(LD),REF(BARSLAST(LD),1)+2));
D4:=A4 AND B4 AND LD; E4:=BACKSET(D4,REF(BARSLAST(LD),1)+2); LL:=E4>REF(E4,1);{找出全部长期低点}
DRAWICON(HH,H,10); DRAWICON(LL,L,12);
H3:=HH OR ISLASTBAR OR BARSCOUNT(C)=1; {后面进行过滤，方法同前。只是不用考虑高低点出现在同一K线}
X3:=REF(BARSLAST(H3),1)+1; F3:=BACKSET(H3 AND COUNT(LL,X3)>0,LLVBARS(IF(LL,L,POW(10,20)),X3));
G3:=F3>REF(F3,1); I3:=BACKSET(G3,2); LZ:=I3>REF(I3,1),LINETHICK0; {长期低点，也可供引用}
L4:=LZ OR ISLASTBAR OR BARSCOUNT(C)=1;
X4:=REF(BARSLAST(L4),1)+1; F4:=BACKSET(L4 AND COUNT(HH,X4)>0,HHVBARS(IF(HH,H,-POW(10,20)),X4));
G4:=F4>REF(F4,1); I4:=BACKSET(G4,2); HZ:=I4>REF(I4,1),LINETHICK0;{长期高点，也可供引用}
DRAWLINE(HZ,H,LZ,L,0),COLORGREEN,LINETHICK1;
DRAWLINE(LZ,L,HZ,H,0),COLORGREEN,LINETHICK1;{长期连线}
K1:=BACKSET(ISLASTBAR,MIN(BARSLAST(HZ),BARSLAST(LZ))+1); K2:=K1>REF(K1,1);
DRAWLINE(K2,IF(HZ,H,L),ISLASTBAR,C,0),COLORGREEN,LINETHICK1; {最后的长期连线，连在收盘价上};
UU:=BACKSET(ISLASTBAR,BARSLAST(LD)+1);
VV:=UU>REF(UU,1);
WW:=BACKSET(VV,REF(BARSLAST(LD),1)+2);
XX:=WW>REF(WW,1);
DRAWLINE(XX,L,VV,L,1),COLORMAGENTA,LINETHICK1;
UU2:=BACKSET(ISLASTBAR,BARSLAST(HD)+1);
VV2:=UU2>REF(UU2,1);
WW2:=BACKSET(VV2,REF(BARSLAST(HD),1)+2);
XX2:=WW2>REF(WW2,1);
DRAWLINE(XX2,H,VV2,H,1),COLORMAGENTA,LINETHICK1;
前一低:REF(L,BARSLAST(VV)),COLOR99FF66,LINETHICK1;
前二低:REF(L,BARSLAST(XX)),COLORFF66FF,DOTLINE,LINETHICK1;
前一高:REF(H,BARSLAST(VV2)),COLOR99FF66,LINETHICK1;
前二高:REF(H,BARSLAST(XX2)),COLORFF66FF,DOTLINE,LINETHICK1;
短高:REF(H,BARSLAST(VV2)),LINETHICK1;
短低:REF(L,BARSLAST(VV)),LINETHICK1;
短比:=(C-短低)/(短高-短低),LINETHICK1;
STICKLINE(OPEN>=CLOSE ,CLOSE ,OPEN,0,0 ),COLOR00FF00;
STICKLINE(OPEN>=CLOSE ,CLOSE ,OPEN,8,0 ),COLOR008800;
STICKLINE(OPEN>=CLOSE ,CLOSE ,OPEN,7,0 ),COLOR009900;
STICKLINE(OPEN>=CLOSE ,CLOSE ,OPEN,6,0 ),COLOR00AA00;
STICKLINE(OPEN>=CLOSE ,CLOSE ,OPEN,5,0 ),COLOR00BB00;
STICKLINE(OPEN>=CLOSE ,CLOSE ,OPEN,4,0 ),COLOR00CC00;
STICKLINE(OPEN>=CLOSE ,CLOSE ,OPEN,3,0 ),COLOR00DD00;
STICKLINE(OPEN>=CLOSE ,CLOSE ,OPEN,2,0 ),COLOR00EE00;
STICKLINE(OPEN>=CLOSE ,CLOSE ,OPEN,1,0 ),COLOR00FF00;
STICKLINE(CLOSE>OPEN,CLOSE,OPEN,0,0) ,COLORFFBBFF;
STICKLINE(CLOSE>OPEN,CLOSE,OPEN,8,0) ,COLORFF00FF;
STICKLINE(CLOSE>OPEN,CLOSE,OPEN,7,0) ,COLORFF22FF;
STICKLINE(CLOSE>OPEN,CLOSE,OPEN,6,0) ,COLORFF44FF;
STICKLINE(CLOSE>OPEN,CLOSE,OPEN,5,0) ,COLORFF66FF;
STICKLINE(CLOSE>OPEN,CLOSE,OPEN,4,0) ,COLORFF88FF;
STICKLINE(CLOSE>OPEN,CLOSE,OPEN,3,0) ,COLORFF99FF;
STICKLINE(CLOSE>OPEN,CLOSE,OPEN,2,0) ,COLORFFAAFF;
STICKLINE(CLOSE>OPEN,CLOSE,OPEN,1,0) ,COLORFFBBFF;
VAR1:=LLV(L,13);
VAR2:=HHV(H,34);
趋势:=EMA((C-VAR1)/(VAR2-VAR1),13);
AA:=趋势>=REF(趋势,1);
BB:=趋势<REF(趋势,1);
JJ:=(CLOSE+HIGH+LOW+O)/4;
A:=EMA(JJ,6);
B:=EMA(JJ,2);
买入:=DRAWICON(CROSS(AA,BB),L-0.1,23);
卖出:=DRAWICON(CROSS(BB,AA),H+0.1,15);
操盘线:(20*B+19*REF(B,1)+18*REF(B,2)+17*REF(B,3)+16*REF(B,4)+15*REF(B,5)+14*REF(B,6)
+13*REF(B,7)+12*REF(B,8)+11*REF(B,9)+10*REF(B,10)+9*REF(B,11)+8*REF(B,12)
+7*REF(B,13)+6*REF(B,14)+5*REF(B,15)+4*REF(B,16)+3*REF(B,17)+2*REF(B,18)+
REF(B,20))/210,COLORFF88CC,LINETHICK2;
IF( 操盘线<= REF(操盘线,1),操盘线,DRAWNULL),COLORFF8B00,LINETHICK2;
AA10:=MA(C,10);
BB10:=ATAN((AA10-REF(AA10,1)))*180/3.1416;
STICKLINE(BB10>1 AND AA10>REF(AA10,1), AA10,REF(AA10,1),8,0),COLORRED;
STICKLINE(BB10<1 AND AA10<REF(AA10,1), AA10,REF(AA10,1),8,1),COLORGREEN;
AA20:=MA(C,20);
BB20:=ATAN((AA20-REF(AA20,1)))*180/3.1416;
STICKLINE(BB20>1,AA20,REF(AA20,1),8,0),COLORYELLOW;
STICKLINE(BB20<1,AA20,REF(AA20,1),8,1),COLORBBCCCC;

通达信波浪趋势主图指标公式实例图解：

通达信波浪趋势主图指标公式