A1:=(DVOL/C)/2,NODRAW;   

A2:=SUM(IF(A1>100 AND CLOSE>REF(CLOSE,1),A1,0),0);   

A3:=SUM(IF(A1>100 AND CLOSE<REF(CLOSE,1),A1,0),0);   

A4:=SUM(IF(A1<100 AND CLOSE>REF(CLOSE,1),A1,0),0);   

A5:=SUM(IF(A1<100 AND CLOSE<REF(CLOSE,1),A1,0),0);   

A6:=A2+A3+A4+A5;   

机买:(A2/A6)*100,LINETHICK2,COLORRED;   

机卖:(A3/A6)*100,LINETHICK2,COLORGREEN;   

散买:(A4/A6)*100,LINETHICK0;   

散卖:(A5/A6)*100,LINETHICK0;   

主力差:机买-机卖,LINETHICK2,NODRAW;   

散户差:散买-散卖,LINETHICK0,NODRAW;   

DRAWTEXT(主力差>0 AND REF(主力差,1)<=0,C*0.85,'●机构'),COLORRED;   

DRAWTEXT(主力差<0 AND REF(主力差,1)>=0,-C*0.85,'○机构'),COLORWHITE;   

DRAWTEXT(散户差>0 AND REF(散户差,1)<=0,C*0.15,'▲散户'),COLORCYAN;   

DRAWTEXT(散户差<0 AND REF(散户差,1)>=0,-C*0.15,'△散户'),COLORWHITE;