两个相邻的高点的连线叫内径线。每根线突破了是支撑，可大胆买进；未突破是阻力，小心被套。跌破了更要清仓走人。
N1:=60;
N2:=20;
N3:=10;
M1:=1;
M2:=2;
M3:=3;
A1:=CONST(REF(H,N1))+(N1+1-CURRBARSCOUNT)*M1/100;
A2:=CONST(REF(H,N2))+(N2+1-CURRBARSCOUNT)*M2/100;
A3:=CONST(REF(H,N3))+(N3+1-CURRBARSCOUNT)*M3/100;
H1:IF(CURRBARSCOUNT<N1,A1,DRAWNULL);
H2:IF(CURRBARSCOUNT<N2,A2,DRAWNULL);
H3:IF(CURRBARSCOUNT<N3,A3,DRAWNULL);
STICKLINE(1,H1,MA(H1,5),0,0),COLORYELLOW;
STICKLINE(1,H2,MA(H2,5),0,0),COLORYELLOW;
STICKLINE(1,H3,MA(H3,5),0,0),COLORYELLOW;
