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：
上一月的日平均成交额的公式。
编写方法：
AA:=BArslAst(MONTH<>REF(MONTH,1))+1;
上月:REF(ma(AMOUNT/10000,AA),AA);
其他写法
以下是通达信和同花顺两个平台计算”上一月日平均成交额”的完整指标公式代码实现：
// 通达信版本
MONTH_DAYS:=BARSLAST(MONTH!=REF(MONTH,1)); // 获取当月交易日天数
PREV_MONTH_AMOUNT:=SUM(AMOUNT,MONTH_DAYS)/MONTH_DAYS/100000000; // 计算上月日均成交额(单位：亿元)
DRAWTEXT_FIX(1,0.8,0,0,STRCAT('上月日均成交额：',CON2STR(PREV_MONTH_AMOUNT,2),'亿')),COLORYELLOW;该公式通过BARSLAST函数获取当月交易日数，再计算上月总成交额的平均值
// 同花顺版本
INPUT:N=20; // 默认计算20个交易日(约1个月)
MA_AMOUNT:MA(AMOUNT,N)/100000000; // N日平均成交额(亿元)
DRAWNUMBER(ISLASTBAR,MA_AMOUNT*1.1,MA_AMOUNT),COLORWHITE;
DRAWTEXT(ISLASTBAR,MA_AMOUNT*1.2,'上月日均成交额'),COLORGREEN;该版本采用MA函数直接计算移动平均，参数N可调整计算周期。
注意事项：
- 通达信版本精确计算自然月数据，而同花顺版本采用固定交易日数近似；
- 除以1亿是为将单位转换为亿元，如需其他单位可调整除数；
- 实际应用中建议结合成交量验证数据有效性
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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