Question

求高手老师把这个指标公式改成通达信预警选股指标公式，抄底买入之星出现的时候预警选股。

VAR1:="DMI.PDI"(12,6);
VAR2:="DMI.MDI"(12,6);
VAR3:=VAR1>65 AND VAR1>REF(VAR1,1);
VAR4:=LLV(VAR1,0);
VAR5:=BARSLAST(VAR4=VAR1);
VAR6:=(0-REF(VAR2,4))/(VAR4-REF(VAR2,VAR5))>2;
VAR7:=VAR1>REF(VAR1,1);
VAR8:=VOL>2*MA(VOL,30);
VAR9:="DMI.ADX"(12,6);
VARA:="DMI.ADXR"(12,6);
VARB:=CLOSE>MA(CLOSE,30) AND CLOSE<MA(CLOSE,30)*1.04;
VARC:=MA(CLOSE,30)>REF(MA(CLOSE,30),1);
VARD:=BARSLAST(CROSS(MA(CLOSE,5),MA(CLOSE,10)))<BARSLAST(CROSS(MA(CLOSE,10),MA(CLOSE,5)));
VARF:=TROUGHBARS(3,15,1)<4;
VAR10:=EMA(CLOSE,30)>REF(EMA(CLOSE,30),2);

VAR11:=IF(VARF=1,50,0);
VAR12:=CROSS(VAR2,VAR1) AND CROSS(VARA,VAR9);
VAR13:=CROSS(VAR2,VAR1) AND CROSS(VAR9,VARA);
VAR14:=VARB AND VARC AND VARD AND VAR10 AND VAR6 AND VAR7 AND VAR8*50;
VAR15:=BARSLAST(CROSS(VAR2,VAR1)=1);
VAR16:=BARSLAST(CROSS(VAR1,VAR2)=1);
VAR17:=HHV(VAR1,VAR16);
VAR18:=BARSLAST(VAR1=VAR17);
多空:EMA((CLOSE-MA((2*CLOSE+HIGH+LOW)/4,30))/MA((2*CLOSE+HIGH+LOW)/4,30)*100,3),COLORWHITE;
0,COLORRED;
STICKLINE(FILTER(VARF=1,5) AND 多空<-10,50,0,15,0),COLORF00FF0;
STICKLINE(FILTER(VARF=1,5),50,0,8,0),COLORYELLOW;
VAR19:=VAR3 OR VAR12 OR VAR13*100;
VAR1A:=VAR13*100;

DRAWTEXT(FILTER(VARF=1,3),25,'买入★之星'),COLORRED ;
STICKLINE(多空<-10,0,多空,0.85,0),COLORYELLOW;
STICKLINE(多空>10,0,多空,0.95,0),COLORRED;

Answer 1

{抄底买入之星出现的时候预警选股。公式中使用了未来函数,请小心使用}
VARF:=TROUGHBARS(3,15,1)<4;
FILTER(VARF=1,3);

Answer 2

TROUGHBARS 用到未来数据，会漂移的，再好不要用它来选股。