『趋势反转』副图指标 通达信底部反弹预警详解
本指标为综合性底部反弹与趋势反转及预警副图指标，融合价格波动率分析、超卖状态监测、均线支撑判定及成交量算法等多重因子。
其核心算法聚焦于超卖信号与创新低识别，专为长期下跌或震荡市道设计，助力精准捕捉个股反弹起点与趋势反转时机，适用于底部挖掘与反弹行情预警。
{趋势反转}
VAR2:=REF(LOW,1);
VAR3:=SMA(ABS(LOW-VAR2),3,1)/SMA(MAX(LOW-VAR2,0),3,1)*100;
VAR4:=EMA(IF(CLOSE*1.2,VAR3*10,VAR3/10),3);
VAR5:=LLV(LOW,38);
VAR6:=HHV(VAR4,38);
VAR7:=IF(LLV(LOW,90),1,0);
VAR8:EMA(IF(LOW<=VAR5,(VAR4+VAR6*2)/2,0),3)/618*VAR7;
STICKLINE(VAR8,0,VAR8,1,3),COLORRED;
VAR9:=EMA(CLOSE,5);
VAR10:=(CLOSE-MA(CLOSE,34))/MA(CLOSE,34)*(-10);
VAR11:=EMA(IF(LOW<=VAR5,(VAR4+VAR6*2)/2,0),3)/618*VAR7*(-1);
VAR12:=EMA(CLOSE,5)*(-1);
增减力度:VAR10*5,COLORWHITE;
DRAWICON(CROSS(0,增减力度),0,1),COLORWHITE;
XL1:=MA(LOW,2)*0.96;
XL2:=MA(LOW,26)*0.85;
XL3:=REF(XL1,1)< XL2 AND REF(XL1,1)< XL1 AND REF(XL1,1)< REF(XL1,2);
STICKLINE(XL3,0,VAR8*3,1,0),COLOR006EFF;
DRAWTEXT(XL3,VAR8*2,'买'),COLOR00FFFF;
MA90:=MA(C,90);
AS:=REF(C,1)< MA90;
上90日:IF((AS AND C>MA90),30,0);
