平均趋向指数(ADX)是在交易开始之前衡量当前趋势有多强的领先指标,有助于确定趋势是否会减弱或继续。 该指标由J. Welles Wilder开发,并在他的“技术交易系统新概念”一书中描述。

ADX 是两个其他指标的组合:14周期正向指标(+ DI)和负向指标(-DI)。 ADX线通常与+ DI和-DI曲线一起构建。 ADX由三条线组成,反映了趋势的方向和强度:

  • + DI显示向上移动
  • -DI显示向下移动
  • ADX显示当前市场状况(趋势或范围交易)


如果+ DI高于-DI,则价格向上移动; 如果-DI高于+ DI,则价格趋势向下。

因此,+ DI高于-DI产生买入信号; -DI高于+ DI,卖出信号。 如果这些线交叉,趋势正在改变。

为了减少虚假信号,Wilder提供了峰值规则,根据该规则,当+ DI和-DI交叉时,哪一个应标记价格命中峰值。 如果+ DI上升到-DI以上,则峰值将是线路交叉的那一天的最高价格。 如果+ DI降至-DI以下,峰值将是盘中低点。

后来这个峰值被用作市场的入口点。 例如,一旦+ D高于-DI,则等到价格突破高点后才打开买入交易。 如果价格未能突破高位,则保持空头。

ADX是确定当前市场状况的最佳指标。 用它来发现趋势强度并获得最佳利润。

平均动向指数 - ADX


ADX = SUM[(+DI-(-DI))/(+DI+(-DI)), N]/N


N - 计算中使用的周期数。

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