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支撑线

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支撐線（Support Line），或稱支撐區，支撐位，為投資學技術分析名詞。

支持位可作為投資行為中買進的參考點。只要把每一次的低點相連，即可形成其支持線。當價格由高點跌至支持位時（較現價為低的特定價格），便會得到有力阻擋而使其不致再下跌，因此觀察支持位所在位置即可得到理想的買入點。

多頭（上漲）看支撐，空頭（下跌）看壓力。留意收盤價跌破或突破，趨勢可能反轉是出場（賣出／放空）或進場（買進／回補）的契機。

技術分析：壓力線與支撐線

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支撑线
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