通达信底部黄金坑选出此三股（副图 源码）
VAR2:=TROUGHBARS(3,15,1)<10;
VAR3:=PEAKBARS(3,15,1)<10;
VAR4:=IF(VAR2=1,50,0);
VAR5:=IF(VAR3=1,50,0);
底部:=IF(VAR4=50,10,0);
多单:0,COLORWHITE,LINETHICK2;
买入:IF(底部=10 AND REF(底部,1)=10 AND REF(底部,2)=0,50,0),COLOR0000CC,LINETHICK2;
底部黄金坑:底部,LINETHICK1 ,COLOR00CCFF;
