布林中線:MA(CLOSE,21);
布林上線:布林中線+2*STD(CLOSE,21) COLORGREEN;
布林下線:布林中線-2*STD(CLOSE,21) COLORRED;
局部低點預選A:=BACKSET(LLV(L,5) 局部低點預選B:=BACKSET(局部低點預選A=0 AND REF(局部低點預選A,1)=1,2);
局部低點預選C:=IF(局部低點預選B=1 AND REF(局部低點預選B,1)=0,-1,0);
局部高點預選A:=BACKSET(HHV(H,5)>REF(HHV(H,4),1),4);
局部高點預選B:=BACKSET(局部高點預選A=0 AND REF(局部高點預選A,1)=1,2);
局部高點預選C:=IF(局部高點預選B=1 AND REF(局部高點預選B,1)=0,1,0);
局部極點A:=局部低點預選C+局部高點預選C;
AAAA:IF(局部低點預選C=-1,L,IF(局部高點預選C=1,H,DRAWNULL)) CIRCLEDOT COLORYELLOW;
缺口判斷:=IF(L>REF(H,1),1,IF(H 距前高天:=BARSLAST(局部高點預選C=1);
距前低天:=BARSLAST(局部低點預選C=-1);
小值周期:=LOWRANGE(L);
大值周期:=TOPRANGE(H);
低保留AA:=IF(局部低點預選C=-1 AND REF(距前高天,1)>REF(距前低天,1) AND LLV(L,距前高天+1) 低保留AB:=IF(局部低點預選C=-1 AND REF(距前高天,1)<=REF(距前低天,1) AND (距前高天>=4 OR LLV(缺口判斷,距前高天)=-1 OR LLV(L,距前低天+2) 低保留S:=IF((低保留AA=-1 OR 低保留AB=-1) AND L 預判:=IF((距前低天<4 AND HHV(缺口判斷,距前低天)!=1) OR REF(低保留S,距前低天)=0,1,0);
判斷:=IF(局部高點預選C=1 AND REF(距前低天,1)<=REF(距前高天,1) AND 預判=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(局部高點預選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(局部高點預選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(缺口判斷,距前低天)=1),1,0);
高保留:=IF((高保留A=1 OR 高保留B=1 OR 判斷=1) AND H>REF(L,距前低天+1),1,0);
預判A:=IF((距前高天<4 AND HHV(缺口判斷,距前高天)!=1) OR REF(高保留,距前高天)=0,1,0);
判斷A:=IF(局部低點預選C=-1 AND REF(距前高天,1)<=REF(距前低天,1) AND 預判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(局部低點預選C=-1 AND REF(距前高天,1)>REF(距前低天,1) AND LLV(L,距前高天+1) 低保留B:=IF(局部低點預選C=-1 AND REF(距前高天,1)<=REF(距前低天,1) AND (距前高天>=4 OR LLV(缺口判斷,距前高天)=-1 OR 判斷A=-1),-1,0);
低保留:=IF((低保留A=-1 OR 低保留B=-1) AND L AAAD:=IF(高保留=1 AND 低保留=-1 AND H>REF(H,REF(距前高天,1)+2),1,IF(高保留=1 AND 低保留=-1 AND L 極點保留:=IF(AAAD=0,高保留+低保留,AAAD);
局部極點:=IF(極點保留=-1,L,IF(極點保留=1,H,DRAWNULL)) CIRCLEDOT COLORYELLOW;
DRAWLINE(極點保留=-1,局部極點,極點保留=1,局部極點,0)COLORBLUE;
DRAWLINE(極點保留=1,局部極點,極點保留=-1,局部極點,0)COLORBLUE;