n日内量选股

n日内阳量大于阴量,并且阳量天数多于阴量天数.

股旁网解答：

sun:=if(c>=o,v,0);
rain:=if(c<o,v,0);
sum(sun,n)>sum(rain,n) and count(c>=o,n)>count(c<o,n) and count(c>=o,n)>=M{参数N是n日内，参数M是阳量天数能自定最好，m要小于n}