怎样能选出总买量大于总卖量的股票
n1:=(1000);var3:=ema(100*(close-llv(low,100))/(hhv(high,100)-llv(low,100)),5);var4:=(close-llv(close,n1))/(hhv(close,n1)-llv(close,n1))*100;var5:=ema(close,2)-ema(close,150);v**:=ema(var5,100);var7:=2*(var5-v**);var8:=pow(var7,3)*0.1+pow(var7,1);var9:=sqrt(sqrt(low*high*open*close));vara:=ema(var9*0.97,3);varb:=(high+low+close)/3;varc:=(varb-ma(varb,14))/(0.015***edev(varb,14));线:= if(var7>0.1,var8,0)*5;var1a:=cross(线,2);var1b:=cross(线,4);庄拉:=filter((var1a or var1b) and var4<40 and var3<40,5)=1;选股:庄拉; 20210311