{N日净买}

参数N(1,100,3);
AA:=(OPEN+CLOSE+LOW+HIGH)/4;
BB:=VOL/((HIGH-LOW)*2-ABS(CLOSE-OPEN))/10000;
主动买:=IF(CLOSE>OPEN,BB*(HIGH-LOW),IF(CLOSE<OPEN,BB*((HIGH-OPEN)+(CLOSE-LOW)),0));
主买:=主动买;
主动卖:=IF(CLOSE>OPEN,0-BB*((HIGH-CLOSE)+(OPEN-LOW)),IF(CLOSE<OPEN,0-BB*(HIGH-LOW),0));
主卖:=-主动卖;
净买:=(主动买+主动卖);
单日净买率:净买/VOL*1000000,POINTDOT,COLORFFFF00;
单日净买量:=VOL*单日净买率/100;
N日净买率:SUM(单日净买率,N),POINTDOT,COLORFFFF00;
N日净买量:=SUM(单日净买量,N);
N日净买万手:SUM(单日净买量,N)/10000,POINTDOT,COLORRED;
大单值:N日净买量/CAPITAL*100,COLORRED;
十日飘红天数:COUNT(大单值>0,10),COLORWHITE;
标量过百:VOL/EMA(VOL,50)*100,POINTDOT,COLORWHITE;
持股柱:STICKLINE(N日净买量>0,0,N日净买量,2,0),COLORRED;
持币柱:STICKLINE(N日净买量<0,0,N日净买量,2,0),COLOR00FF00;
DRAWTEXT(大单值<REF(大单值,1) AND C>REF(C,1)*1.02,N日净买量*1.8,'变'),COLORYELLOW;

//使用说明：红柱由短变长时建议买入并持有，红柱由长变短时建议卖出；绿柱由长变短并有变红迹象时建议关注该股，绿柱由绿变红时建议买入。
价量关系：低量低价时需要研究基本面是否具有良好的投资价值；量增价平表明股价底部已经形成，可以进行操作；价涨量增时对未来的价咯上涨形成良好支撑；价跌量增是底部买入信号；价涨量缩时持币观望为主。