jj:=(HIGH+LOW+CLOSE)/3;qj0:=AMOUNT/IF(HIGH=LOW,4,HIGH-LOW);
买1:=qj0*(MIN(OPEN,CLOSE)-LOW);
买2:=qj0*(jj-MIN(CLOSE,OPEN));
卖1:=qj0*(MAX(CLOSE,OPEN)-jj);
卖2:=qj0*(HIGH-MAX(OPEN,CLOSE));
DT:=((买1+买2)-(卖1+卖2))/10000;
主力持仓线:sum(DT,66),COLOR888888,linethick2;
DRAWTEXTAbs(10,10,' '),linethick1,COLOR00EEff;
STICKLINE(DT>0,主力持仓线,主力持仓线+DT,2,0),COLOR0000FF;
STICKLine(DT<0,主力持仓线+DT,主力持仓线,2,0),COLOR00FF00;
DRAWTEXT(DISPSTATUS=2,主力持仓线,'主力线 ');