用法：主力持仓线上穿累计流出为买点一，净流入上穿累计流出为关键买点！还要结合主力量能指标！
 指数趋势: EMA(100*(INDEXC-LLV(INDEXL,34))/(HHV(INDEXH,34)-LLV(INDEXL,34)),3),COLORCYAN,DOTLINE,LINETHICK1;
主力持仓:EMA(100*(CLOSE-LLV(LOW,34))/(HHV(HIGH,34)-LLV(LOW,34)),3),COLORRED,LINETHICK2;
 CN1:=HHV(V,5);{5日最高量}
CN2:=O>C;
 CN02:=C>O;
 CN03:=C=O;
 CN04:=((SUM(V,5)/CN1));
 CN05:=IF(CN04>0.3,1,0);{大资金}
CN06:=IF(CN2 AND CN05,V,0);{大资金流出}
CN07:=IF(CN02 AND CN05,V,0);{大资金流入}
CN08:=IF(CN03 AND CN05,V,0);{不明流向大资金}
累积流入:SUM(CN07,9)/10000,COLORFF00FF,LINETHICK2;
累积流出:SUM(CN06,9)/10000,COLORGREEN,LINETHICK2；;
净流入:(累积流入-累积流出),COLORYELLOW,LINETHICK2;
净流入角度:ATAN((净流入/REF(净流入,1)-1)*100)*57.3,NODRAW;
 VAR1:=LLV(LOW,21);
 VAR2:=HHV(HIGH,21);
 TX98:90,COLOR408080,DOTLINE,LINETHICK1;
 TX80:70,COLOR408080;
 TX45:45,COLOR408080;
 TX20:20,COLOR408080;