varc:=(zig(3,5)>ref(zig(3,5),1)) and (ref(zig(3,5),1)<=ref(zig(3,5),2)) and (ref(zig(3,5),2)<=ref(zig(3,5),3));vard:=(zig(3,5)<ref(zig(3,5),1)) and (ref(zig(3,5),1)>=ref(zig(3,5),2)) an...
公式中不含未来函数,选股如下: var3:=(close-llv(low,20))/(hhv(high,20)-llv(low,20))*100;var4:=sma(sma(var3,3,1),3,1);var5:=ema(var4,5);var7:=3*var4-2*var5;xg:cross(var7,var4)>0 and var7;