温馨提醒，技术指标有其本身局限性，一旦不符合预期，立即清仓控制风险。指标仅供参考与学习，请勿商用或实战，否则后果和损失自行承担！
编写条件：
现价跌到10日内最大量的最低价的选股公式。
编写方法：
XG:C=REF(L,BARSLAST(V=HHV(V,10)));
以下是适用于通达信/同花顺的选股公式代码，用于筛选现价跌至10日内最大成交量对应K线最低价的股票：
VMAX:=REF(V,BARSLAST(V=HHV(V,10))); //定位10日内最大成交量日
LOW_PRICE:=REF(L,BARSLAST(V=HHV(V,10))); //获取该日最低价
XG:CROSS(LOW_PRICE,C); //现价跌破该最低价
该公式通过BARSLAST函数定位最大成交量日，再提取当日最低价作为关键支撑位，当现价下破该价位时触发信号。
增强版可加入以下条件：
- 要求成交量突破5日均量线：
COND1:=V>MA(V,5)*1.5;- 叠加MACD死叉确认趋势：
COND2:=CROSS(EMA(C,12),EMA(C,26));- 排除ST股及股价低于20日线：
FILTER:=NOT(NAMELIKE('ST')) AND C>MA(C,20);
网页唯一标识识别码
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指标使用通用经验总结
- 一般出现信号不急着立即介入，介入时机一般尾盘半小时判断信号是否可介入；
- 指标信号出现后第二天冲高阴线，立即清仓，等待突破上一个信号点最高价判断是是否介入；
- 指标信号出现后第二天阴线或假阳线，立即清仓，等待突破上一个信号点最高价在判断是否介入；
- 在上涨，现价处于上涨高位的『介入、看多』信号不参与；
- 不是信号一出现就介入，要根据市场环境，量价关系，市场情绪等诸多因素判断是否可介入；
- 技术指标有其本身局限性，宁可错过，也不要做错；
- 拿到指标后，多测试，多练习，看是否符合预期，总结规律；
总之一旦信号失真，不符合预期，立即清仓控制风险 ；
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