N:=22;jj:=(HIGH+LOW+CLOSE)/3;qj0:=vol/IF(HIGH=LOW,4,HIGH-LOW);
qj1:=IF(CAPITAL=0,qj0*(jj-MIN(CLOSE,OPEN)),qj0*IF(HIGH=LOW,1,(MIN(OPEN,CLOSE)-LOW)));
qj2:=IF(CAPITAL=0,qj0*(MIN(OPEN,CLOSE)-LOW),qj0*IF(HIGH=LOW,1,(jj-MIN(CLOSE,OPEN))));
qj3:=IF(CAPITAL=0,qj0*(HIGH-MAX(OPEN,CLOSE)),qj0*IF(HIGH=LOW,1,(HIGH-MAX(OPEN,CLOSE))));
qj4:=IF(CAPITAL=0,qj0*(MAX(CLOSE,OPEN)-jj),qj0*IF(HIGH=LOW,1,(MAX(CLOSE,OPEN)-jj)));
DRAWTEXTREL(0,0,'主力持仓'),COLORYELLOW;
SVZL:sum(((qj1+qj2)-(qj3+qj4))/sum(vol,60),0);
CZ:=SVZL-REF(SVZL,1);
STICKLINE(CZ<0,SVZL+CZ,SVZL,3,0),COLORFFFF00;
STICKLINE(CZ>0,SVZL,SVZL+CZ,3,0),COLORRED;
IF CZ<0 THEN
DRAWFLAGTEXT(1,SVZL+CZ,'当日主力净卖出占流通盘的'+STR(ABS(CZ))+'%');
ELSE
DRAWFLAGTEXT(1,SVZL+CZ,'当日主力净买入占流通盘的'+STR(ABS(CZ))+'%'),COLORRED;
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