通達信峰谷支撐壓力主圖指標公式：包含未來函數:BACKSET，DRAWLINE

N:=5;N1:=5;N2:=5;N3:=5;
{峰線}
AA:=REF(H,N)=HHV(H,2*N+1);{N日前的最高價}
QY:=BACKSET(AA,N+1);{周期記錄}
CC:=FILTER(QY,N) AND H=HHV(H,N+1);{周期過濾 最高價最高值}
DDD:=BARSLAST(CC),NODRAW;{CC條件成立的天數}
GDTS:=IF(CC,CURRBARSCOUNT,0),NODRAW;{CC成立 返回交易日的周}
DINGBUTS:=IF(DDD,REF(GDTS,DDD),GDTS),NODRAW;{DDD成立,返回DDD日前的GDTS,否則返回GDTS}
GDCS1:=CONST(DINGBUTS),NODRAW;{取DINGBUTS值}
GDCS13:=CONST(REF(HIGH,GDCS1-1));
DINGBUTS1:=REF(DINGBUTS,DDD+1),NODRAW;
GDCS2:=CONST(DINGBUTS1);
GDCS23:=CONST(REF(HIGH,DINGBUTS1-1));
XG1:=BACKSET(ISLASTBAR,GDCS1);{ ISLASTBAR 判斷是否為最后一個周期}
XG2:=BACKSET(ISLASTBAR,DINGBUTS1);
STICKLINE(XG2,GDCS23,GDCS23,0.5,1),COLORWHITE,LINETHICK3;{白線}
STICKLINE(XG1,GDCS13,GDCS13,0.5,1),COLORYELLOW,LINETHICK3;{黃線}
{谷線}
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);
DDTS1:=IF(DD1,REF(DDTS,DD1),DDTS);
DDCS1:=CONST(DDTS1);
DDCS13:=CONST(REF(L,DDCS1-1));
DDTS2:=REF(DDTS1,DD1+1);
DDCS2:=CONST(DDTS2);
DDCS23:=CONST(REF(L,DDTS2-1));
XD1:=BACKSET(ISLASTBAR,DDCS1);
XD2:=BACKSET(ISLASTBAR,DDTS2);
STICKLINE(XD2,DDCS23,DDCS23,0.5,1),COLORMAGENTA,LINETHICK3;
STICKLINE(XD1,DDCS13,DDCS13,0.5,1),COLORCYAN,LINETHICK3;
{壓力支撐}
M:=INTPART(3*N2/5);{壓力線取}
AAA:=REF(H,M)=HHV(H,2*M+1);
QYY:=BACKSET(AAA,M+1);
CCC:=FILTER(QYY,M) AND H=HHV(H,M+1);
DDDD:=BARSLAST(CCC),NODRAW;
GDTSS:=IF(CCC,CURRBARSCOUNT,0),NODRAW;
DINGBUTSS:=IF(DDDD,REF(GDTSS,DDDD),GDTSS),NODRAW;
GDCS11:=CONST(DINGBUTSS),NODRAW;
DINGBUTS11:REF(DINGBUTSS,DDDD+1),NODRAW;
GDCS22:=CONST(DINGBUTS11);
高點壓力M:DRAWLINE(CURRBARSCOUNT=GDCS22,H,CURRBARSCOUNT=GDCS11,H,1),COLORGREEN,LINETHICK1;
W:=INTPART(3*N3/5);
AA11:=REF(L,W)=LLV(L,2*W+1);
QY11:=BACKSET(AA11,W+1);
CC11:=FILTER(QY11,W) AND L=LLV(L,W+1);
DD11:=BARSLAST(CC11);
DDTSS:=IF(CC11,CURRBARSCOUNT,0);
DDTS11:=IF(DD11,REF(DDTSS,DD11),DDTSS);
DDCS11:=CONST(DDTS11);
DDTS22:=REF(DDTS11,DD11+1);
DDCS22:=CONST(DDTS22);
低點支撐M:DRAWLINE(CURRBARSCOUNT=DDCS22,L,CURRBARSCOUNT=DDCS11,L,1) COLORRED,LINETHICK1;
{
ZGSTAR:=(高點壓力M+低點支撐M)/2;
ZGEND:=CONST((高點壓力M+低點支撐M)/2);
STARDAY:=IF(DDCS2<GDCS2,DDCS2,GDCS2);
中軌:DRAWLINE(CURRBARSCOUNT=STARDAY,ZGSTAR,ISLASTBAR,ZGEND,1),COLORFF55BB,LINETHICK2;
}
{DRAWKLINE(H,O,L,C);}
{主圖中的倍量K線如何變黃色}
V2V:=V/REF(V,1)>=1.9 AND C>REF(C,1);
STICKLINE(V2V,O,C,-1,0),COLORYELLOW;
{漲停}
ZT:=C/REF(C,1)>1.097;
STICKLINE(ZT,O,C,-1,0),COLORMAGENTA;

通達信峰谷支撐壓力主圖指標公式實例圖解：

通達信峰谷支撐壓力主圖指標公式