主图画线对参考你手中当前持有的股票的买卖趋势和位置。
指标只是一个工具，不可能100%准确，但可以作为参考。
区间幅度表示涨(跌)趋势的幅度，方便你在趋势中观察手中个股的涨跌，参考之前的走势。知道当前股价在趋势中的位置。
画线肯定有未来函数。
但是我们画一条线，然后参考交易。未来函数只要不存在后补信号就不可怕。
换句话说，只要不创出新高或新低(即股价在黄色斜线和绿色斜线的框架内)，这几根画线就不会移动。你就参考这些压力支撑买卖。 参考！参考！参考！
银城华哥压力指标源码
N:=60;
HH:=HHVBARS(H,N);
LL:=LLVBARS(L,N);
XX:=CONST(HH)>CONST(LL);
SX:=CONST(HH)<CONST(LL);
G:=CONST(REF(H,HH));
D:=CONST(REF(L,LL));
D1:=D*1.0418;
D2:=(G-D1)*0.218+D1;
D3:=(G-D2)*0.382+D2;
G1:=G*0.9618;
G2:=(G1-D)*0.382+D;
G3:=(G1-D)*0.682+D;
DRAWLINE(SX AND CURRBARSCOUNT=CONST(LL)+1,L,SX AND CURRBARSCOUNT=CONST(HH)+1,H,0),COLORYELLOW,LINETHICK3;
DRAWLINE(XX AND CURRBARSCOUNT=CONST(HH)+1,H,XX AND CURRBARSCOUNT=CONST(LL)+1,L,0),COLORGREEN,LINETHICK3;
STICKLINE(SX AND CURRBARSCOUNT=CONST(HH)+1,H,D1,0,-1),COLORLIGRAY;
DRAWLINE(SX AND CURRBARSCOUNT=CONST(HH)+1,D1,SX AND ISLASTBAR,D1,0),COLORLIGRAY,DOTLINE;
DRAWLINE(SX AND CURRBARSCOUNT=CONST(HH)+1,D2,SX AND ISLASTBAR,D2,0),COLORLIGRAY,DOTLINE;
DRAWLINE(SX AND CURRBARSCOUNT=CONST(HH)+1,D3,SX AND ISLASTBAR,D3,0),COLORLIGRAY,DOTLINE;
STICKLINE(XX AND CURRBARSCOUNT=CONST(LL)+1,L,G1,0,-1),COLORLIGREEN;
DRAWLINE(XX AND CURRBARSCOUNT=CONST(LL)+1,G1,XX AND ISLASTBAR,G1,0),COLORLIGREEN,DOTLINE;
DRAWLINE(XX AND CURRBARSCOUNT=CONST(LL)+1,G2,XX AND ISLASTBAR,G2,0),COLORLIGREEN,DOTLINE;
DRAWLINE(XX AND CURRBARSCOUNT=CONST(LL)+1,G3,XX AND ISLASTBAR,G3,0),COLORLIGREEN,DOTLINE;
A:=SX AND CURRBARSCOUNT=CONST(HH)+15;
B:=SX AND CURRBARSCOUNT=CONST(HH)+3;
A1:=XX AND CURRBARSCOUNT=CONST(HH);
B1:=XX AND CURRBARSCOUNT=CONST(LL)+3;
DRAWTEXT(A,G*0.98,VARCAT(VARCAT('本轮区间振幅：',VAR2STR((G-D)/D*100,2)),'%,')),COLORYELLOW;
DRAWNUMBER(B,D1,D1),COLORYELLOW;
DRAWNUMBER(B,D2,D2),COLORYELLOW;
DRAWNUMBER(B,D3,D3),COLORYELLOW;
DRAWTEXT(A1,G*0.98,VARCAT(VARCAT('本轮区间振幅：',VAR2STR((G-D)/D*100,2)),'%,')),COLORGREEN;
DRAWNUMBER(B1,G1,G1),COLORGREEN;
DRAWNUMBER(B1,G2,G2),COLORGREEN;
DRAWNUMBER(B1,G3,G3),COLORGREEN;
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上面的是主图叠加 下面是选股的源码
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N:=60;
HH:=HHVBARS(H,N);
LL:=LLVBARS(L,N);
XX:=CONST(HH)>CONST(LL);
SX:=CONST(HH)<CONST(LL);
G:=CONST(REF(H,HH));
D:=CONST(REF(L,LL));
D1:=D*1.0418;
D2:=(G-D1)*0.218+D1;
D3:=(G-D2)*0.382+D2;
G1:=G*0.9618;
G2:=(G1-D)*0.382+D;
G3:=(G1-D)*0.682+D;
SX AND CROSS(C,G3);
