通达信轨道线压力与支撑主图指标公式：

N1:=20;
N2:=10;
N3:=5;
AA:=REF(H,N1)=HHV(H,2*N1+1);
QY:=BACKSET(AA,N1+1);
CC:=FILTER(QY,N1) AND H=HHV(H,N1+1);
DDD:=BARSLAST(CC);
GDTS:=IF(CC,CURRBARSCOUNT,0);
DINGBU:=IF(DDD,REF(H,DDD),H);{顶部}
DINGBUTS:=IF(DDD,REF(GDTS,DDD),GDTS);
DINGBU1:=REF(DINGBU,DDD+1);
GDCS1:=CONST(DINGBUTS);
DINGBUTS1:=REF(DINGBUTS,DDD+1);
GDCS2:=CONST(DINGBUTS1);
DINGBU2:=REF(DINGBU1,DDD+1);
MM:=IF(CURRBARSCOUNT>GDCS2,0,1);
高点压力:DRAWLINE(CURRBARSCOUNT=GDCS2,H,CURRBARSCOUNT=GDCS1,H,1) COLORRED;
DRAWLINE(CURRBARSCOUNT=GDCS2,H,ISLASTBAR,REF(H,GDCS2-1),1),COLOR0055FF,POINTDOT,LINETHICK2;
DRAWLINE(CURRBARSCOUNT=GDCS1,H,ISLASTBAR,REF(H,GDCS1-1),1),COLORYELLOW,POINTDOT,LINETHICK2;
AA1:=REF(L,N1)=LLV(L,2*N1+1);
QY1:=BACKSET(AA1,N1+1);
CC1:=FILTER(QY1,N1) AND L=LLV(L,N1+1);
DD1:=BARSLAST(CC1);
DDTS:=IF(CC1,CURRBARSCOUNT,0);
YDB:=IF(DD1,REF(L,DD1),L);
DDTS1:=IF(DD1,REF(DDTS,DD1),DDTS);
DDCS1:=CONST(DDTS1);
ZDB:=REF(YDB,DD1+1);
DDTS2:=REF(DDTS1,DD1+1);
DDCS2:=CONST(DDTS2);
低点支撑:DRAWLINE(CURRBARSCOUNT=DDCS2,L,CURRBARSCOUNT=DDCS1,L,1) COLORRED;
DRAWLINE(CURRBARSCOUNT=DDCS2,L,ISLASTBAR,REF(L,DDCS2-1),1),COLOR0055FF,POINTDOT,LINETHICK2;
DRAWLINE(CURRBARSCOUNT=DDCS1,L,ISLASTBAR,REF(L,DDCS1-1),1),COLORYELLOW,POINTDOT,LINETHICK2;
LAA:=REF(H,N2)=HHV(H,2*N2+1);
LQY:=BACKSET(LAA,N2+1);
LCC:=FILTER(LQY,N2) AND H=HHV(H,N2+1);
LDDD:=BARSLAST(LCC);
LGDTS:=IF(LCC,CURRBARSCOUNT,0);
LDINGBU:=IF(LDDD,REF(H,LDDD),H);{顶部}
LDINGBUTS:=IF(LDDD,REF(LGDTS,LDDD),LGDTS);
LDINGBU1:=REF(LDINGBU,LDDD+1);
LGDCS1:=CONST(LDINGBUTS);
LDINGBUTS1:=REF(LDINGBUTS,LDDD+1);
LGDCS2:=CONST(LDINGBUTS1);
LDINGBU2:=REF(LDINGBU1,LDDD+1);
LMM:=IF(CURRBARSCOUNT>LGDCS2,0,1);
压力:DRAWLINE(CURRBARSCOUNT=LGDCS2,H,CURRBARSCOUNT=LGDCS1,H,1) COLORWHITE;
DRAWLINE(CURRBARSCOUNT=LGDCS2,H,ISLASTBAR,REF(H,LGDCS2-1),1),COLOR0055FF,POINTDOT;
DRAWLINE(CURRBARSCOUNT=LGDCS1,H,ISLASTBAR,REF(H,LGDCS1-1),1),COLORYELLOW,POINTDOT;
LAA1:=REF(L,N2)=LLV(L,2*N2+1);
LQY1:=BACKSET(LAA1,N2+1);
LCC1:=FILTER(LQY1,N2) AND L=LLV(L,N2+1);
LDD1:=BARSLAST(LCC1);
LDDTS:=IF(LCC1,CURRBARSCOUNT,0);
LYDB:=IF(LDD1,REF(L,LDD1),L);
LDDTS1:=IF(LDD1,REF(LDDTS,LDD1),LDDTS);
LDDCS1:=CONST(LDDTS1);
LZDB:=REF(LYDB,LDD1+1);
LDDTS2:=REF(LDDTS1,DD1+1);
LDDCS2:=CONST(LDDTS2);
支撑:DRAWLINE(CURRBARSCOUNT=LDDCS2,L,CURRBARSCOUNT=LDDCS1,L,1) COLORWHITE;
ZGSTAR:=(压力+支撑)/2;
ZGEND:=CONST((压力+支撑)/2);
STARDAY:=IF(DDCS2<GDCS2,DDCS2,GDCS2);
LLAA:=REF(H,N3)=HHV(H,2*N3+1);
LLQY:=BACKSET(LLAA,N3+1);
LLCC:=FILTER(LLQY,N3) AND H=HHV(H,N3+1);
LLDDD:=BARSLAST(LLCC);
LLGDTS:=IF(LLCC,CURRBARSCOUNT,0);
LLDINGBU:=IF(LLDDD,REF(H,LLDDD),H);{顶部}
LLDINGBUTS:=IF(LLDDD,REF(LLGDTS,LLDDD),LLGDTS);
LLDINGBU1:=REF(LLDINGBU,LLDDD+1);
LLGDCS1:=CONST(LLDINGBUTS);
LLDINGBUTS1:=REF(LLDINGBUTS,LLDDD+1);
LLGDCS2:=CONST(LLDINGBUTS1);
LLDINGBU2:=REF(LLDINGBU1,LLDDD+1);
LLMM:=IF(CURRBARSCOUNT>LGDCS2,0,1);
L压力:DRAWLINE(CURRBARSCOUNT=LLGDCS2,H,CURRBARSCOUNT=LLGDCS1,H,1) COLORYELLOW;
DRAWLINE(CURRBARSCOUNT=LLGDCS2,H,ISLASTBAR,REF(H,LLGDCS2-1),1),COLOR0055FF,POINTDOT;
DRAWLINE(CURRBARSCOUNT=LLGDCS1,H,ISLASTBAR,REF(H,LLGDCS1-1),1),COLORYELLOW,POINTDOT;
LLAA1:=REF(L,N3)=LLV(L,2*N3+1);
LLQY1:=BACKSET(LLAA1,N3+1);
LLCC1:=FILTER(LLQY1,N3) AND L=LLV(L,N3+1);
LLDD1:=BARSLAST(LCC1);
LLDDTS:=IF(LLCC1,CURRBARSCOUNT,0);
LLYDB:=IF(LLDD1,REF(L,LLDD1),L);
LLDDTS1:=IF(LLDD1,REF(LLDDTS,LLDD1),LDDTS);
LLDDCS1:=CONST(LLDDTS1);
LLZDB:=REF(LLYDB,LLDD1+1);
LLDDTS2:=REF(LLDDTS1,DD1+1);
LLDDCS2:=CONST(LLDDTS2);
L支撑:DRAWLINE(CURRBARSCOUNT=LLDDCS2,L,CURRBARSCOUNT=LLDDCS1,L,1) COLORYELLOW;
LZGSTAR:=(L压力+L支撑)/2;
LZGEND:=CONST((L压力+L支撑)/2);
LSTARDAY:=IF(LLDDCS2<LLGDCS2,LLDDCS2,LLGDCS2);
L中轨:DRAWLINE(CURRBARSCOUNT=LSTARDAY,LZGSTAR,ISLASTBAR,LZGEND,1),COLORYELLOW;
中轨:DRAWLINE(CURRBARSCOUNT=STARDAY,ZGSTAR,ISLASTBAR,ZGEND,1),COLORWHITE;

通达信轨道线压力与支撑主图指标公式实例图解：

通达信轨道线压力与支撑主图指标公式