BASE:0;
{BASE为换手率基准点,在BASE之前的日期其换手率被置0，相当于没交易}
HSL1:= vol*100/FINANCE(7)*100;
HSL:=IF(BASE =BARSCOUNT(C),0,HSL1);{BASE前的取值取0，相当于BASE后1天为起点}
WCHS1:=SUMBARS(HSL,100);
{完成换手，设置 99000是因为用FINANCE(7)计算换手率间隔WCHS1在上市前几天数据异常，直接置0。}
WCHS:IF(WCHS1 99000 OR WCHS1 0,0,WCHS1),LINETHICK3,COLORC000FF;
BC:=BARSCOUNT(C);{上市到目前的天数}
SH:=SUM(HSL,0);{上市到目前的总换手率}
P:=INTPART(SH/100)*100;{换手满100％的次数}
CDAY:=IF(P REF(P,1),BC,0);
{把最近一次完全换手后，累计换手达到25%,50％,75%,100%位置标识出来}
C25:=crOSS(SH-REF(SH,BArslAST(CDAY 0)),25),NODRAW;
C50:=CROSS(SH-REF(SH,BARSLAST(CDAY 0)),50),NODRAW;
C75:=CROSS(SH-REF(SH,BARSLAST(CDAY 0)),75),NODRAW;
{换手间隔}
HSJG: IF(CDAY 0 OR C50 OR C25 OR C75,WCHS,0),COLOR22FF33;
DRAWTEXT(C25,WCHS,'25%%');
DRAWTEXT(C50,WCHS,'50%%');
DRAWTEXT(C75,WCHS,'75%%');
DRAWTEXT(CDAY 0,WCHS,'100%%');
DRAWICON(CDAY 0,WCHS,1);