Chapter 1  簡單移動平均線(SMA)

簡單移動平均線(SMA)-Pic no.1

移動平均線有許多類型,其中最常見的兩種類型是簡單移動平均線和指數移動平均線。

我們將過去一段時間內,取各個區間的收盤價(或各個區間的平均值)所連成的線,就是簡單移動平均線,簡稱SMA。而按照其所選取的區間,又可以分成年線、月線、周線等。

移動平均線代表一段時間之內投資者的平均成本變化,透過這條平均線,可以用來研判未來價格走勢的方向。我們以5日平均線(5SMA)為例,它就是計算5個交易日的平均價格,例如:第1天到第5天的平均價格;第2天到第6天的平均價格,以此類推。每次都是取連續的5個價位的平均值,

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