把逢低吸纳做个选股

编写要求：

请老师把逢低吸纳做个选股VAR4:=(2*CLOSE+HIGH+LOW)/4;VAR5:=LLV(LOW,12);VAR6:=HHV(HIGH,12);持股:EMA((VAR4-VAR5)/(VAR6-VAR5)*100,11),COLORFF00FF,LINETHICK2;必卖:EMA(0.667*REF(持股,1)+0.333*持股,4),COLORFFFF00,LINETHICK2;分界线:30,CROSSDOT,COLORWHITE;DRAWTEXT(CROSS(持股,必卖) AND 持股<22,7,'▓'),COLORCCCCFF,LINETHICK2;DRAWTEXT(CROSS(持股,必卖) AND 持股<25,18,'●'),COLORRED;DRAWTEXT(CROSS(持股,20) AND 必卖<持股,30,'□'),COLORWHITE,LINETHICK2;DRAWICON(CROSS(持股,30) AND 必卖<持股,35,8);DRAWTEXT(CROSS(持股,50) AND 必卖<持股,50,'◆'),COLORFF00FF;DRAWICON(CROSS(持股,65) AND 必卖<持股,70,7);DRAWTEXT(CROSS(持股,70) AND 必卖<持股,67,'○'),COLORRED,LINETHICK2;DRAWICON(CROSS(持股,75) AND 必卖<持股,75,12);DRAWICON(CROSS(必卖,持股) AND 必卖>75,85,11);逢低吸纳:IF(CROSS(持股,必卖) AND 持股<40,9,0),STICK,COLORGREEN,LINETHICK4;逢高减磅:IF(CROSS(必卖,持股) AND 必卖>75,75,90),COLORRED,LINETHICK2;资金:=3*SMA((C-LLV(L,89))/(HHV(H,89)-LLV(L,89))*100,5,1)-2*SMA(SMA((C-LLV(L,89))/(HHV(H,89)-LLV(L,89))*100,5,1),3,1);见顶线:=EMA(资金,2);股票:=(见顶线-REF(见顶线,1))/REF(见顶线,1)*100;减仓:STICKLINE(REF(见顶线,1)>91.2 AND 股票<0,92,80,3,0),COLORYELLOW,LINETHICK2;清仓:DRAWTEXT(CROSS(必卖,持股) AND 必卖>85,92,'●'),COLOR00FF00,LINETHICK4;

解答：

 VAR4:=(2*CLOSE+HIGH+LOW)/4;