请高手把指标改为选股公式

条件：1、机构买入大于50%

           2、机构总买入大于20%

A1:=SUM(IF(CLOSE>REF(CLOSE,1),VOL/CAPITAL*100,IF(CLOSE<REF(CLOSE,1),-VOL/CAPITAL*100,0)),0);

成交额:=V*C/100,NODRAW;

A2:=SUM((IF(((成交额/8>20) AND (CLOSE>(REF(CLOSE,1)))),成交额,0)),0);

 A3:=SUM((IF(((成交额/8>20) AND (CLOSE<(REF(CLOSE,1)))),成交额,0)),0);

 A4:=SUM((IF(((成交额/8<20) AND (CLOSE>(REF(CLOSE,1)))),成交额,0)),0);

 A5:=SUM((IF(((成交额/8<20) AND (CLOSE<(REF(CLOSE,1)))),成交额,0)),0);

 A6:=((A2+A3)+A4)+A5;

 A7:=IF((ISLASTBAR),((100*A2)/A6),0);

 A8:=IF((ISLASTBAR),((100*A3)/A6),0);

 A9:=IF((ISLASTBAR),((100*A4)/A6),0);

 A10:=IF((ISLASTBAR),((100*A5)/A6),0);

机构买:(A2),LINETHICK6,COLORRED;

机构卖:(A3),LINETHICK6,COLORGREEN;

机构进出:机构买-机构卖,NODRAW;

散户买:(A4),COLOR5555FF;

散户卖:(A5),COLOR55FF55;

强势:((100*A2)/A6>50);

 STICKLINE(强势,机构买*1.02,机构买*1.1,1,0),COLORYELLOW;

拉升:((100*A2)/A6-(100*A3)/A6)>18 AND (100*A2)/A6-(100*A5)/A6>18;

 STICKLINE(拉升,机构买*1.1,机构买*1.2,1,0),COLORRED;

 DRAWTEXT(ISLASTBAR=1,机构买*0.95,''),LINETHICK2,COLORRED;

 DRAWTEXT(ISLASTBAR=1,机构卖*0.95,''),LINETHICK2,COLORFFFF55;

 Q:=BETWEEN(C/(SUM(AMOUNT,BARSCOUNT(C))/SUM(VOL*100,BARSCOUNT(C))),1.05,0.95);

 Q2:=IF(Q=0,MA(C,BARSCOUNT(C)),(SUM(AMOUNT,BARSCOUNT(C))/SUM(VOL*100,BARSCOUNT(C))));

DRAWICON(CROSS((C/Q2),1.03),机构买,5);

 DD1:=1;

 AAA1:=STRCAT(STRCAT('机构买入',CON2STR((100*A2)/A6,0)),'%');

 AAA2:=STRCAT(STRCAT('机构卖出',CON2STR((100*A3)/A6,0)),'%');

 AAA0:=STRCAT(STRCAT('机构总买入',CON2STR((100*(A2-A3))/A6,0)),'%');

 AAA3:=STRCAT(STRCAT('散户买入',CON2STR((100*A4)/A6,0)),'%');

 AAA4:=STRCAT(STRCAT('散户卖出',CON2STR((100*A5)/A6,0)),'%');

 AAA5:=STRCAT(STRCAT('散户总买入',CON2STR((100*(A4-A5))/A6,0)),'%');

DRAWTEXT_FIX(DD1=1,0.001,0.05,0,AAA1),COLORRED;