求通达信，条件选股公式何编？高分

要求在20个交易日内，换手率在20%以上的公式如何编制，谢谢！！

交易日:=30;

换手率:=30;

HS:sum(V/CAPITAL*100,交易日)>换手率;

20天换手大于百分之20

SUM(VOL/CAPITAL*100,20)>20;

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HS:SUM(V/CAPITAL*100,20)>20;

这个公式为20个交易日大于20%的选股公式，你可以按照自己的要求改大于百分之多少

通达信本来就有条件选股器啊！打开后设置条件就可以自动选择。

这种公式挑不出大牛股，给你一个其他的吧，红和绿，很好分辨

Eo

Y:=(LOW+HIGH)/2;

E:=EMA(EMA(Y,5)-EMA(Y,34),2);

EO:EMA(E,1),COLORGREEN;

0,POINTDOT;

IF(EO>REF(EO,1),EO,DRAWNULL),COLORRED,LINETHICK3;

当出现"多"，且在鳄鱼嘴上方时，使你可以一路坚定持有做多直到"多"消失为止。然后反手做空。"多"消失时正好是红线离场位。反之做空时，你可以一路坚定持有直到"多"出现为止。

GATOR

VAR1:=(HIGH+LOW)/2;

颚:=SMA(VAR1,13,1),LINETHICK0;

齿:=SMA(VAR1,8,1),LINETHICK0;

唇:=SMA(VAR1,5,1),LINETHICK0;

齿颚:IF(齿>颚,齿-颚,颚-齿),LINETHICK0;

齿唇:IF(齿<唇,齿-唇,唇-齿),LINETHICK0;

STICKLINE(齿颚<REF(齿颚,1),0,齿颚,3,1),COLORGREEN;

STICKLINE(齿颚>REF(齿颚,1),0,齿颚,3,1),COLORRED;

STICKLINE(齿唇>REF(齿唇,1),0,齿唇,3,1),COLORGREEN;

STICKLINE(齿唇<REF(齿唇,1),0,齿唇,3,1),COLORRED;

标示了鳄鱼的三条线的相对位置，

当三条线聚合时，提示进场机会到来；

发散时，放心持有。

  如果当前柱图比前一时间柱图长的话用墨绿线（默认色）表示

    如果当前柱图比前一时间柱图短的话用红线（默认色）表示

    Gator指标的分析为：

    当柱图数值大时表示有逆转的可能性

    当柱图数值小时表示可能保持以前的趋势

Mfi

MFI:(H-L)*1000000/V,STICK;   

A1:=MFI>=REF(MFI,1)*1.1 AND V>=REF(V,1)*1.1;   

A2:=MFI<=REF(MFI,1)*0.9 AND V<=REF(V,1)*0.9;   

A3:=MFI>=REF(MFI,1)*1.1 AND V<=REF(V,1)*0.9;   

A4:=MFI<=REF(MFI,1)*0.9 AND V>=REF(V,1)*1.1;

STICKLINE(A1,0,MFI,0.1,1),COLORGREEN;   

STICKLINE(A2,0,MFI,0.1,1),COLORBLUE;   

STICKLINE(A3,0,MFI,0.1,1),COLORBROWN;   

STICKLINE(A4,0,MFI,0.1,1),COLORMAGENTA;   

MA5:MA(MFI,5);   

绿灯:IF(A1,MFI,DRAWNULL),STICK,COLORGREEN;   

衰退:IF(A2,MFI,DRAWNULL),STICK,COLORBLUE;   

伪装:IF(A3,MFI,DRAWNULL),STICK,COLORBROWN;   

蛰伏:IF(A4,MFI,DRAWNULL),STICK,COLORMAGENTA;

Ac

VAR1:=(H+L)/2;

AO:=SMA(VAR1,5,1)-SMA(VAR1,34,1);

AC:SMA((AO-SMA(AO,5,1)),5,1),COLOR6699CC;

STICKLINE(AC>=REF(AC,1),0,AC,6,1),COLORRED;

STICKLINE(AC<=REF(AC,1),0,AC,6,1),COLORGREEN;

AC,COLOR000000;

STICKLINE(AC>=REF(AC,1),0,AC,2.2,1),COLORRED;

STICKLINE(AC< REF(AC,1),0,AC,2.2,1),COLORGREEN;

AC1:=REF(AC,1);

BUY1:=REF(AC,3)<REF(AC1,3) AND REF(AC,2)<REF(AC1,2) AND REF(AC,2)<REF(AC,3) AND REF(AC,1)>REF(AC1,1) AND AC>AC1 AND COUNT(AC>0,4)=4;

DRAWTEXT(BUY1,AC,'B'),COLORWHITE;

DRAWICON(BUY1,AC,1);

BUY2:=COUNT(AC<0,4)=4 AND REF(AC,3)<REF(AC1,3) AND COUNT(AC>AC1,3)=3;

DRAWTEXT(BUY2,AC, 'B'),COLORWHITE;

DRAWICON(BUY2,AC,1);

BUY3:=REF(AC,3)<REF(AC1,3) AND REF(AC,2)<REF(AC1,2) AND REF(AC,2)<REF(AC,3) AND COUNT(AC>AC1,2)=2 AND REF(AC,1)<0 AND AC>0;

DRAWTEXT(BUY3,AC, 'B'),COLORWHITE;

DRAWICON(BUY3,AC,1);

BUY4:=REF(AC,4)<REF(AC1,4) AND REF(AC,3)<REF(AC1,3) AND REF(AC,3)<REF(AC,4) AND COUNT(AC>AC1,3)=3 AND REF(AC,1)<0 AND AC>0;

DRAWTEXT(BUY4,AC, 'B'),COLORWHITE;

DRAWICON(BUY4,AC,1);

S1:=REF(AC,3)>REF(AC1,3) AND REF(AC,2)>REF(AC1,2) AND REF(AC,2)>REF(AC,3) AND REF(AC,1)<REF(AC1,1) AND AC<AC1 AND COUNT(AC<0,4)=4;

DRAWTEXT(S1,AC,'S'),COLORWHITE;

DRAWICON(S1,AC,2);

S2:=COUNT(AC>0,4)=4 AND REF(AC,3)>REF(AC1,3) AND COUNT(AC<AC1,3)=3;

DRAWTEXT(S2,AC,'S'),COLORWHITE;

DRAWICON(S2,AC,2);

S3:=REF(AC,3)>REF(AC1,3) AND REF(AC,2)>REF(AC1,2) AND REF(AC,2)>REF(AC,3) AND COUNT(AC<AC1,2)=2 AND REF(AC,1)>0 AND AC<0;

DRAWICON(S3,AC,2);

Ao

VAR1:=(HIGH+LOW)/2;

AO:MA(VAR1,5)-MA(VAR1,34),LINETHICK0;

STICKLINE(AO>=REF(AO,1),0,AO,2.2,1),COLORRED;

STICKLINE(AO<REF(AO,1),0,AO,2.2,1),COLORGREEN;

AO5:MA(AO,5),COLORFF6600;

S1:=CROSS(0,AO);

DRAWTEXT(S1,AO,'S'),COLORWHITE;

DRAWICON(S1,AO,2);

S2:=AO<0 AND REF(AO,1)>REF(AO,2) AND AO<REF(AO,1);

DRAWTEXT(S2,AO,'S'),COLORWHITE;

DRAWICON(S2,AO,2);

SCOUNT:=BARSLAST(AO<0);

SD:=HHV(AO,SCOUNT);

SCOUNTD:=HHVBARS(AO,SCOUNT);

S3:=AO>0 AND REF(AO,1)>REF(AO,2) AND AO<REF(AO,1);

S31:=COUNT(S3,SCOUNTD);

DRAWTEXT(S31>=2 AND S3,AO,'S'),COLORWHITE;

DRAWICON(S31>=2 AND S3,AO,2);

B1:=CROSS(AO,0);

DRAWTEXT(B1,AO,'B'),COLORWHITE;

DRAWICON(B1,AO,1);

B2:=AO>0 AND REF(AO,1)<REF(AO,2) AND AO>REF(AO,1) ;

DRAWTEXT(B2,AO,'B'),COLORWHITE;

DRAWICON(B2,AO,1);

BCOUNT:=BARSLAST(AO>0);

BD:=LLV(AO,BCOUNT);

BCOUNTD:=LLVBARS(AO,BCOUNT);

B3:=AO<0 AND REF(AO,1)<REF(AO,2) AND AO>REF(AO,1);

B31:=COUNT(B3,BCOUNTD);

DRAWTEXT(B31>=2 AND B3,AO,'B'),COLORWHITE;

DRAWICON(B31>=2 AND B3,AO,1);

平衡线

Y:=(H+L)/2;

AA:=REF((SMA(Y,5,1)),3);

BB:=REF((SMA(Y,8,1)),5);

CC:=REF((SMA(Y,13,1)),8);

鳄:CC,COLORFF6600;

齿:BB,COLORRED;

唇:AA,COLORGREEN;

P1:=REF(HIGH,1)>HIGH AND REF(HIGH,1)>鳄;

平衡线买:REF(REF(HIGH,1),BARSLAST(P1)),LINETHICK0,COLORWHITE;

STICKLINE(CROSS(HIGH,平衡线买) AND LOW>平衡线买,(HIGH+LOW)/2,(HIGH+LOW)/2,12,0),LINETHICK1,COLORWHITE;

STICKLINE(CROSS(HIGH,平衡线买) AND LOW<=平衡线买,平衡线买,平衡线买,12,0),LINETHICK1,COLORWHITE;

P2:=REF(LOW,1)<LOW AND REF(LOW,1)<鳄;

平衡线卖:REF(REF(LOW,1),BARSLAST(P2)),LINETHICK0,COLORCYAN;

STICKLINE(CROSS(平衡线卖,LOW) AND HIGH<平衡线卖,(HIGH+LOW)/2,(HIGH+LOW)/2,12,0),LINETHICK1,COLORCYAN;

STICKLINE(CROSS(平衡线卖,LOW) AND HIGH>=平衡线卖,平衡线卖,平衡线卖,12,0),LINETHICK1,COLORCYAN;

{AO,AC方向}

AO:=MA(Y,5)-MA(Y,34);

AC:=AO-MA(AO,5);

DRAWTEXT(ISLASTBAR AND AO>REF(AO,1) AND AC>REF(AC,1),Y,'↑AO↑AC'),COLORRED;

DRAWTEXT(ISLASTBAR AND AO<REF(AO,1) AND AC<REF(AC,1),Y,'↓AO↓AC'),COLORGREEN;

DRAWTEXT(ISLASTBAR AND AO>REF(AO,1) AND AC<REF(AC,1),Y,'↑AO↓AC'),COLORWHITE;

DRAWTEXT(ISLASTBAR AND AO<REF(AO,1) AND AC>REF(AC,1),Y,'↓AO↑AC'),COLORWHITE;