阶段前高前低划线，无加密。很实用的工具。
 

MA5:MA(C,5),COLORYELLOW;
NOTEXT5:IF((C<=MA5 OR MA5<=REF(MA5,1)),MA5,DRAWNULL),COLORFFFF00;
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)),COLORYELLOW,POINTDOT;DRAWTEXT_FIX(C>O,0.01,0.01,0,'
STICKLINE(H,前期高位,前期高位,8,0),COLORYELLOW;
WWW70822COM:=VOL/((HIGH-LOW)*2-ABS(CLOSE-OPEN));
前期低位:REF(L,BA