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！
编写要求：
今日放量大于前30日均量的2倍的选股公式
公式在线网解答：
xg:v>ma(v,30)*2;
其他写法：
{ 选股公式：今日放量大于前30日均量的2倍 }
VOL > 2 * REF(MA(VOL, 30), 1);代码说明：
-
VOL：代表今日的成交量。 -
MA(VOL, 30)：计算成交量的30日简单移动平均（包括今日）。 -
REF(MA(VOL, 30), 1)：取昨日（前1日）的30日均量值（即排除今日的纯前30日均量）。 -
VOL > 2 * ...：判断今日成交量是否大于昨日30日均量的2倍。
注意事项：
-
排除今日影响：公式中的
REF(..., 1)确保使用的是昨日的30日均量（即严格的前30日数据），避免今日成交量对均量计算产生干扰。 -
停牌处理：若股票今日停牌（成交量为0），公式会自动排除。
-
新股处理：新股上市不足30日时，系统会自动按实际天数计算均量值。
使用步骤（通达信）：
-
打开通达信软件，进入
公式管理器（Ctrl+F）。 -
在
条件选股公式下新建公式，粘贴上述代码。 -
保存后通过
选股器（Ctrl+T）执行即可筛选符合条件的股票。
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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