天?星选股指标（BS决策+DDX+龙虎逐笔+精确上涨）
参数请导入公式就能看到
ST:=STRFIND(stkname,'ST',1)>0;
S:=STRFIND(stkname,'S',1)>0;
停牌:=(DYNAINFO(4)=0);
a1:=not(ST) and not(停牌) and not(S) AND CAPITAL
a:="LTFunc4@FORLT2";
s1:="LTFunc4@LT_S1";
hs:="LTFunc4@LT_HS";
ls:="LTFunc4@LT_LS";
p1:="LTFunc4@LT_P1";
upp:="LTFunc4@LT_UPP";
udd:="LTFunc4@LT_UDD";
buy1:=(p1=1 and ref(p1,1)=0);
buy2:=(s1=1 and ref(s1,1)=0 and (p1+ref(p1,1))<>1);
a2:=buy1 or buy2;
DK:=EMA((CLOSE-MA((2*CLOSE+HIGH+LOW)/4,30))/MA((2*CLOSE+HIGH+LOW)/4,30)*100,3);
a3:=DK<=MADK and DK>REF(DK,1) and DK>REF(DK,2);
LX:="LXDDX.DDX";
DD:=BIGORDER(1,2) - BIGORDER(2,2);
TX:=IF(DD,DD,LX);
ZD:=((TX * VOL) / CAPITAL) * 100;
a4:=ZD>0.01;
ZBA:=REF(SELFDATA('主买笔数'),1)+REF(SELFDATA('主卖笔数'),1);
ZBB:=SELFDATA('主买笔数')+SELFDATA('主卖笔数');
ZBBUY:=DYNAINFO(23);
ZBSELL:=DYNAINFO(22);
ZBVOL:=ZBBUY-ZBSELL;
LHZB:=(SELFDATA('主买特大')+SELFDATA('主买大单'))-(SELFDATA('主卖特大')+SELFDATA('主卖大单'));
ZB:=IF(ZBA=ZBB,ZBVOL,LHZB)/CAPITAL*100;
a5:=ZB>0.01;
a1 and a2 and a3 and a4 and a5; | 
