底部放量上涨选股公式：

ma20:=ma(close,20);

vma5:=ma(vol,5);

vma10:=ma(vol,10);

vma20:=ma(vol,20);

vma30:=ma(vol,30);

vma60:=ma(vol,60);

dif:=macd.dif;

dea:=macd.dea;

vdif:=vmacd.dif;

vdea:=vmacd.dea;

vmax:=max(max(max(vma5,vma10),max(vma20,vma30)),vma60);

a1:=close>ma20 and close<open;

a2:=count(vol>vmax,7)>2;

a3:=dif>dea and dea>ref(dea,1);

a4:=vdif>vdea and vdea>ref(vdea,1);

xg:a1 and a2 and a3 and a4;

免责声明：文章中操作建议仅代表第三方观点与本平台无关，投资有风险，入市需谨慎。据此交易，风险自担。