指标不是万能的，但是可以给我们一些帮助，使我们看清趋势，尽量避免错误的买卖
TY:=H;
TY2:=L;
A1:=REF(TY,10)=HHV(TY,2*10+1); B1:=FILTER(A1,10); C1:=BACKSET(B1,10+1); HD:=FILTER(C1,10);
A2:=REF(TY2,10)=LLV(TY2,2*10+1); B2:=FILTER(A2,10); C2:=BACKSET(B2,10+1); LD:=FILTER(C2,10);
前期高位:REF(H,BARSLAST(HD)),COLOR00FF00,POINTDOT;
STICKLINE(H,前期高位,前期高位,8,0),COLORRED;

前期低位:REF(L,BARSLAST(LD)),COLOR00FF00,POINTDOT;
STICKLINE(L,前期低位,前期低位,8,0),COLORBLUE;

DRAWNUMBER(FILTER(C1,10),HIGH,H),DRAWABOVE;
{DRAWNUMBER(FILTER(C2,20),LOW,L),DRAWABOVE;}

{DRAWNUMBER(FILTER(C1,10),H,H);}
DRAWNUMBER(FILTER(C2,10),L,L);

选股:CROSS(C,前期高位),NODRAW;

STICKLINE(选股,OPEN,CLOSE,1,0),COLORYELLOW;
STICKLINE(选股,H,L,0,1),COLORYELLOW;
现价:CONST(