求通达信股价回踩30日均线,获利比例百分之50至百分之60之间,kdj的j值40
rsv:=(close-llv(low,9))/(hhv(high,9)-llv(low,9))*100;k:=sma(rsv,3,1);d:=sma(k,3,1);j:=3*k-2*d;t:=10;a:=count(c>ma(c,30),t);xg:range(j,40,50)and ref(a>(t-1),1) and l<=ma(c,30) and range(winner(c)*100,50,60); 20210311