bbi:=(ma(close,3)+ma(close,6)+ma(close,12)+ma(close,24))/4;upr:=bbi+3*std(bbi,10);dwn:=bbi-3*std(bbi,10);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;条件选股:c<dwn and j<0; 20210311
ma5:=ma(close,5);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;t1:=close>ma5;t2:=j>ref(j,1) and ref(j,2)>ref(j,1);xg:t1 and t2;