通达信顶底分型线段主图指标公式：

局部低点预选A:=BACKSET(LLV(L,5)<REF(LLV(L,4),1),4);
局部低点预选B:=BACKSET(局部低点预选A=0 AND REF(局部低点预选A,1)=1,2);
局部低点预选C:=IF(局部低点预选B=1 AND REF(局部低点预选B,1)=0,-1,0);
局部高点预选A:=BACKSET(HHV(H,5)>REF(HHV(H,4),1),4);
局部高点预选B:=BACKSET(局部高点预选A=0 AND REF(局部高点预选A,1)=1,2);
局部高点预选C:=IF(局部高点预选B=1 AND REF(局部高点预选B,1)=0,1,0);
缺口判断:=IF(L>REF(H,1),1,IF(H<REF(L,1),-1,0));
距前高天:=BARSLAST(局部高点预选C=1);
距前低天:=BARSLAST(局部低点预选C=-1);
小值周期:=LOWRANGE(L);
大值周期:=TOPRANGE(H);
低保留AA:=IF(局部低点预选C=-1 AND REF(距前高天,1)>REF(距前低天,1) AND LLV(L,距前高天+1)<REF(LLV(L,距前高天+1),1),-1,0);
低保留AB:=IF(局部低点预选C=-1 AND REF(距前高天,1)<=REF(距前低天,1) AND (距前高天>=4 OR LLV(缺口判断,距前高天)=-1 OR LLV(L,距前低天+2)<REF(LLV(L,距前低天+1),1)),-1,0);
低保留S:=IF((低保留AA=-1 OR 低保留AB=-1) AND L<REF(H,距前高天+1),-1,0);
预判:=IF((距前低天<4 AND HHV(缺口判断,距前低天)!=1) OR REF(低保留S,距前低天)=0,1,0);
判断:=IF(局部高点预选C=1 AND REF(距前低天,1)<=REF(距前高天,1) AND 预判=1 AND 大值周期>REF(小值周期,距前低天+1) AND 大值周期>REF(小值周期,距前低天) AND 大值周期>REF(大值周期,距前高天),1,0);
高保留A:=IF(局部高点预选C=1 AND REF(距前低天,1)>REF(距前高天,1) AND HHV(H,距前低天+1)>REF(HHV(H,距前低天+1),1),1,0);
高保留B:=IF(局部高点预选C=1 AND REF(距前低天,1)<=REF(距前高天,1) AND REF(低保留S,距前低天)=-1 AND (距前低天>=4 OR HHV(缺口判断,距前低天)=1),1,0);
高保留:=IF((高保留A=1 OR 高保留B=1 OR 判断=1) AND H>REF(L,距前低天+1),1,0);
预判A:=IF((距前高天<4 AND HHV(缺口判断,距前高天)!=1) OR REF(高保留,距前高天)=0,1,0);
判断A:=IF(局部低点预选C=-1 AND REF(距前高天,1)<=REF(距前低天,1) AND 预判A=1 AND 小值周期>REF(大值周期,距前高天+1) AND 小值周期>REF(大值周期,距前高天) AND 小值周期>REF(小值周期,距前低天),-1,0);
低保留A:=IF(局部低点预选C=-1 AND REF(距前高天,1)>REF(距前低天,1) AND LLV(L,距前高天+1)<REF(LLV(L,距前高天+1),1),-1,0);
低保留B:=IF(局部低点预选C=-1 AND REF(距前高天,1)<=REF(距前低天,1) AND (距前高天>=4 OR LLV(缺口判断,距前高天)=-1 OR 判断A=-1),-1,0);
低保留:=IF((低保留A=-1 OR 低保留B=-1) AND L<REF(H,距前高天+1),-1,0);
距前高天A:=BARSLAST(高保留=1);
距前低天A:=BARSLAST(低保留=-1);
预判X:=IF((距前低天A<4 AND HHV(缺口判断,距前低天A)!=1) OR REF(低保留,距前低天A)=0,1,0);
判断X:=IF(局部高点预选C=1 AND REF(距前低天A,1)<=REF(距前高天A,1) AND 预判X=1 AND 大值周期>REF(小值周期,距前低天A+1) AND 大值周期>REF(小值周期,距前低天A) AND 大值周期>REF(大值周期,距前高天A),1,0);
高保留XA:=IF(局部高点预选C=1 AND REF(距前低天A,1)>REF(距前高天A,1) AND HHV(H,距前低天A+1)>REF(HHV(H,距前低天A+1),1),1,0);
高保留XB:=IF(局部高点预选C=1 AND REF(距前低天A,1)<=REF(距前高天A,1) AND REF(低保留,距前低天A)=-1 AND (距前低天A>=4 OR HHV(缺口判断,距前低天A)=1),1,0);
高保留X:=IF((高保留XA=1 OR 高保留XB=1 OR 判断X=1) AND H>REF(L,距前低天A+1),1,0);
预判XA:=IF((距前高天A<4 AND HHV(缺口判断,距前高天A)!=1) OR REF(高保留XA,距前高天A)=0,1,0);
判断XA:=IF(局部低点预选C=-1 AND REF(距前高天A,1)<=REF(距前低天A,1) AND 预判XA=1 AND 小值周期>REF(大值周期,距前高天A+1) AND 小值周期>REF(大值周期,距前高天A) AND 小值周期>REF(小值周期,距前低天A),-1,0);
低保留XA:=IF(局部低点预选C=-1 AND REF(距前高天A,1)>REF(距前低天A,1) AND LLV(L,距前高天A+1)<REF(LLV(L,距前高天A+1),1),-1,0);
低保留XB:=IF(局部低点预选C=-1 AND REF(距前高天A,1)<=REF(距前低天A,1) AND (距前高天A>=4 OR LLV(缺口判断,距前高天A)=-1 OR 判断XA=-1),-1,0);
低保留X:=IF((低保留XA=-1 OR 低保留XB=-1) AND L<REF(H,距前高天A+1),-1,0);
距前高天YA:=BARSLAST(高保留X=1);
距前低天YA:=BARSLAST(低保留X=-1);
预判YX:=IF((距前低天YA<4 AND HHV(缺口判断,距前低天YA)!=1) OR REF(低保留X,距前低天YA)=0,1,0);
判断YX:=IF(局部高点预选C=1 AND REF(距前低天YA,1)<=REF(距前高天YA,1) AND 预判YX=1 AND 大值周期>REF(小值周期,距前低天YA+1) AND 大值周期>REF(小值周期,距前低天YA) AND 大值周期>REF(大值周期,距前高天YA),1,0);
高保留YXA:=IF(局部高点预选C=1 AND REF(距前低天YA,1)>REF(距前高天YA,1) AND HHV(H,距前低天YA+1)>REF(HHV(H,距前低天YA+1),1),1,0);
高保留YXB:=IF(局部高点预选C=1 AND REF(距前低天YA,1)<=REF(距前高天YA,1) AND REF(低保留X,距前低天YA)=-1 AND (距前低天YA>=4 OR HHV(缺口判断,距前低天YA)=1),1,0);
高保留YX:=IF((高保留YXA=1 OR 高保留YXB=1 OR 判断YX=1) AND H>REF(L,距前低天YA+1),1,0);
预判YXA:=IF((距前高天YA<4 AND HHV(缺口判断,距前高天YA)!=1) OR REF(高保留YXA,距前高天YA)=0,1,0);
判断YXA:=IF(局部低点预选C=-1 AND REF(距前高天YA,1)<=REF(距前低天YA,1) AND 预判YXA=1 AND 小值周期>REF(大值周期,距前高天YA+1) AND 小值周期>REF(大值周期,距前高天YA) AND 小值周期>REF(小值周期,距前低天YA),-1,0);
低保留YXA:=IF(局部低点预选C=-1 AND REF(距前高天YA,1)>REF(距前低天YA,1) AND LLV(L,距前高天YA+1)<REF(LLV(L,距前高天YA+1),1),-1,0);
低保留YXB:=IF(局部低点预选C=-1 AND REF(距前高天YA,1)<=REF(距前低天YA,1) AND (距前高天YA>=4 OR LLV(缺口判断,距前高天YA)=-1 OR 判断YXA=-1),-1,0);
低保留YX:=IF((低保留YXA=-1 OR 低保留YXB=-1) AND L<REF(H,距前高天YA+1),-1,0);
AAAD:=IF(高保留YX=1 AND 低保留YX=-1 AND H>REF(H,REF(距前高天YA,1)+2),1,IF(高保留YX=1 AND 低保留YX=-1 AND L<REF(L,REF(距前低天YA,1)+2),-1,0));
极点保留:=IF(AAAD=0,高保留YX+低保留YX,AAAD);
局部极点:IF(极点保留=-1,L,IF(极点保留=1,H,DRAWNULL)) CIRCLEDOT COLORYELLOW;
DRAWLINE(极点保留=-1,局部极点,极点保留=1,局部极点,0)COLORBLUE;
DRAWLINE(极点保留=1,局部极点,极点保留=-1,局部极点,0)COLORBLUE;
DRAWICON(极点保留=-1,L-0.03,1);

通达信顶底分型线段主图指标公式实例图解：

通达信顶底分型线段主图指标公式