eric:=REF(C,1);stella:=REF(C,2);
SS:=IF(C>eric AND eric>=stella,1,IF(C<eric AND eric<=stella,-1,IF(C>stella AND stella>eric,2,IF(C<stella AND stella<eric,-2,0))));
SM:=IF(REF(SS,1)<>0,REF(SS,1),IF(REF(SS,2)<>0,REF(SS,2),IF(REF(SS,3)<>0,REF(SS,3),IF(REF(SS,5)<>0,REF(SS,5),IF(REF(SS,6)<>0,REF(SS,6),IF(REF(SS,7)<>0,REF(SS,7),0))))));
STICKLINE(SS=1 OR SM>=1 AND SS=0,eric,C,8,1),COLORRED;
STICKLINE(SS=-1 OR SM<=-1 AND SS=0,eric,C,8,0),colorcyan;
STICKLINE(SS=2,stella,C,8,1),COLORRED;
STICKLINE(SS=-2,stella,C,8,0),colorcyan;
STICKLINE((SS=-1 OR SS=-2) AND SM>0,stella,eric,8,1),COLORRED;
STICKLINE((SS=1 OR SS=2) AND SM<0,stella,eric,8,0),colorcyan;
drawtext(last(c>ref(c,1))=2 and ref(c,2)<ref(c,3) and ref(c,2)<ref(c,4) and ref(c,1)<ref(c,3),o,'底'),coloryellow,linethick4;
drawtext(last(c<ref(c,1))=2 and ref(c,2)>ref(c,3) and ref(c,2)>ref(c,4) and ref(c,1)>ref(c,3),o,'顶'),colorgreen,linethick4;
三平底翻红选股公式（选出当日出现三平底翻红的个股）
last(c>ref(c,1))=2 and ref(c,2)<ref(c,3) and ref(c,2)<ref(c,4) and ref(c,1)<ref(c,3);
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