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通达信“高低切换”副图指标公式--趋势顶底

一、公式解析这个副图是波段操作的 “趋势高低点探测器”,核心看四条关键线:绿色顶线(88) 是超买警戒线,蓝色底线(12) 是超跌参考线,白色点线中线(50) 是强弱分水岭,紫色趋势线是核心判断依据。趋势线跌到底线下方,说明进入超跌区间;冲过顶线上方,就是超买高危区。信号识别很简单:趋势线从下往上穿过底线,会标 “趋势底”,是低位反转苗头;从上往下跌破顶线,会标 “趋势顶”,提示高位回落风险。蓝色柱搭配 “★买入”,是趋势线低位叠加股价放量上涨的买点,绿色柱搭配 “★卖出”,是趋势线高位遇上股价走弱、量能萎缩的离场信号,避免高位站岗。二、公式如下顶:88,COLOR00FF00;底:12,COLOR0000FF;中:50,POINTDOT,COLORFFFFFF;DRAWTEXT(ISLASTBAR,顶,'顶'),COLOR00FF00;DRAWTEXT(ISLASTBAR,底,'底'),COLOR0000FF;DRAWTEXT(ISLASTBAR,中,'中'),COLORFFFFFF;CTA1:=44;CTA2:=3*SMA((C-LLV(L,CTA1))/(HHV(H,CTA1)-LLV(L,CTA1))*100,5,1)-2*SMA(SMA((C-LLV(L,CTA1))/(HHV(H,CTA1)-LLV(L,CTA1))*100,5,1),3,1);趋势线:EMA(CTA2,3),LINETHICK2,COLORLIMAGENTA;STICKLINE(趋势线<底,趋势线,底,2,0),COLOR00FFFF;DRAWTEXT(CROSS(底,趋势线),底+5,'趋势底'),COLOR00FFFF;STICKLINE(趋势线>顶,趋势线,顶,2,0),COLORFFFFFF;DRAWTEXT (CROSS(趋势线,顶),顶-5,'趋势顶'),COLORFFFFFF;CTA3:=趋势线<底 AND C>MAX(REF(C,1),REF(O,1)) AND REF(C,1)<REF(C,2) AND V>REF(V,1);CTA4:=FILTER(CTA3,10);CTA5:=BARSLAST(CROSS(底,趋势线));CTA6:=CROSS(趋势线,底) AND COUNT(CTA3,CTA5)=0;CTA7:=CTA4 OR CTA6;STICKLINE(CTA7,底,50,1,0),COLOR0000FF;DRAWTEXT(CTA7,52,'★买入'),COLOR0000FF;CTA8:=趋势线>顶 AND REF(C,1)<REF(O,1) AND REF(V,1)>REF(V,2) AND (C<O OR V<REF(V,1));CTA9:=FILTER(CTA8,10);CTA10:=BARSLAST(CROSS(趋势线,顶));CTA11:=CROSS(顶,趋势线) AND COUNT(CTA8,CTA10)=0;CTA12:=CTA9 OR CTA11;STICKLINE(CTA12,顶,50,1,0),COLOR00FF00;DRAWTEXT(CTA12,48,'★卖出'),COLOR00FF00;选股:CROSS(趋势线,50) AND REF(趋势线,1)<50 AND REF(趋势线,2)<50 AND REF(趋势线,3)<50 AND REF(趋势线,4)<50 AND REF(趋势线,5)<50;
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