压力和支撑

 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,DOTLINE;
STICKLINE(H,前期高位,前期高位,8,0),COLORYELLOW; 

前期低位:REF(L,BARSLAST(LD)),COLOR00FF00,DOTLINE;
STICKLINE(L,前期低位,前期低位,8,1),COLORBLUE; 

DRAWNUMBER(FILTER(C1,10),HIGH,H),DRAWABOVE;
DRAWNUMBER(FILTER(C2,10),L*0.992,L),COLORBLUE;