选股公式:K线穿布林线上轨收阴,股价创新高。公式模块 zg:=ma(c,20);up:=zg+2*std(c,20);t1:=cross(c,up);t2:=c<o;t3:=h>ref(hhv(h,20),1);tj:t1 and t2 and t3;