通达信45日内最小成交量的收盘价处画线90

N:=45;
 PT:=CONST(LLVBARS(V,N));
 TS:IF(CURRBARSCOUNT<=PT+1,CONST(IF(PT=0,MAX(C,O),REF(MAX(C,O),PT))),DRAWNULL),COLORYELLOW,DOTLINE;
 IF(CURRBARSCOUNT=PT+1,TS,DRAWNULL),CIRCLEDOT,COLORYELLOW,LINETHICK1;
 DRAWTEXT(CURRBARSCOUNT=PT+1,TS,STRCAT(CON2STR(CONST(N),0),'地量')),COLORYELLOW;