N:=60;
大单买:LARGEINTRDVOL,NODRAW,COLORRED;
大单卖:LARGEOUTTRDVOL,NODRAW,COLORGREEN;
日净差:LARGEINTRDVOL-LARGEOUTTRDVOL,NODRAW,COLORYELLOW;
大单主力线:INTPART(SUM(日净差,N)),NODRAW,COLORWHITE;
TDXSTEP107:DRAWBAND(大单主力线,RGB(80,0,0),0,RGB(0,50,0));
TDXSTEP108:STICKLINE(日净差>0,0,日净差,2,0),COLORRED;
TDXSTEP109:STICKLINE(日净差<0,日净差,0,2,0),COLORCYAN;
