n1:=5;n2:=10;lc:=ref(close,1);var1:=c-ref(c,1);var2:=100*ema(ema(var1,6),6)/ema(ema(abs(var1),6),6);ma5:=ema(c,5);ma13:=ema(c,13);up:=drawline(l=llv(l,barslast(cross(ma13,ma5))+1),llv(l,barslast(cross(ma13,ma5))+1),h=hhv(h,barslast(cross(ma5,ma13))+1),hhv(h,barslast(cross(ma5,ma13))+1),0),color0000ff;down:=drawline(h=hhv(h,barslast(cross(ma5,ma13))+1),hhv(h,barslast(cross(ma5,ma13))+1),l=llv(l,barslast(cross(ma13,ma5))+1),llv(l,barslast(cross(ma13,ma5))+1),0),color00ff00;bt:=(llv(var2,2)=llv(var2,7) and count(var2<0,2) and cross(var2,ma(var2,2))) andref(down,1)<ref(down,2) and up>ref(down,1);bt选股:bt>0; 20210311