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移动平均数信息是在技术分析有各种各样的普遍价值。如10天、40天或者200天选择期间取决。例如短小、中间体或者长期。 无论如何移动平均数水平在上涨的行情上是在一个市价跌落的解释,支持或者抵抗。 在任何情况下一个移动平均数落后最新的数据点。SMA在一定程度上滞后,并且可以被退出平均的数据点不均影响。 通过给额外重量演讲最近数据点,在被衡量的和指数移动平均数。 SMA的一个特征是,如果数据有周期性波动,然后申请SMA将改变变异(包含一个完全周期)的平均。 但是一个完全规则周期在经济或财务很少遇到。
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