免费数据的(主力持仓).请老师做个选股公式

编写要求：

用于免费数据的(主力持仓).请老师做个从绿变红的选股公式. 谢谢! VAR1:=VOL/((HIGH-LOW)*2-ABS(CLOSE-OPEN)); 主买:=IF(CLOSE>OPEN,VAR1*(HIGH-LOW),IF(CLOSEOPEN,VAR1*((HIGH-CLOSE)+(OPEN-LOW)),IF(CLOSE0,ZL,ZL+DT,1,0),COLORRed; STICKLine(DT<0,ZL+DT,ZL,1,0),COLORGreen; DRAWTEXTABS(0,0,'【主力持仓】'),colorffffff,LINETHICK1;

解答：

?VAR1:=VOL/((HIGH-LOW)*2-ABS(CLOSE-OPEN));

主买:=IF(CLOSE>OPEN,VAR1*(HIGH-LOW),IF(CLOSE