选股,股价今日有过三日内的低点,而收盘主力持仓有增加

编写要求：

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:SUM(DT,66),COLORWHITE,LINETHICK1;STICKLINE(DT>0,主力持仓,主力持仓+DT,1,0),COLOR0000FF;STICKLINE(DT<0,主力持仓+DT,主力持仓,1,0),COLOR00FF00;请老师帮我做一个选股,股价今日有过三日内的低点,而收盘主力持仓比昨天有增加,谢谢了,股价就是今日有创三日新低过

解答：

JJ:=(HIGH+LOW+CLOSE)/3;