Chapter 1  简单移动平均线(SMA)

移动平均线有许多类型,其中最常见的两种类型是简单移动平均线和指数移动平均线。

我们将过去一段时间内,取各个区间的收盘价(或各个区间的平均值)所连成的线,就是简单移动平均线,简称SMA。而按照其所选取的区间,又可以分成年线、月线、周线等。

移动平均线代表一段时间之内投资者的平均成本变化,透过这条平均线,可以用来研判未来价格走势的方向。我们以5日平均线(5SMA)为例,它就是计算5个交易日的平均价格,例如:第1天到第5天的平均价格;第2天到第6天的平均价格,以此类推。每次都是取连续的5个价位的平均值,然后把这些平均值连成一线,就是移动平均线了。

一般来说,移动平均线可以分为短期、中期、长期。本质上,移动平均线往往落于行情之

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