什么是限价单交易？
关键词：什么是限价单交易？
限价单交易，简单来说是按照投资者设定目标价位进场交易。在伦敦金或伦敦银的交易中，“限价单交易”也就是“挂单交易”。许多投资者由于交易时间限制或是无法时刻盯盘，从而错失获利良机或是使得盈利的单子逆转行情处于亏损等。那么，为了避免以上的情况出现，我们就需要好好学习“限价单交易”。
限价单交易，主要是包括“限价建仓单”和“限价平仓（止盈止损）”这两种类型。只要投资者能够运用得当，这必然会显著提高投资者的投资效益。
一、限价建仓单
“现价建仓单”是指预先设定一个交易价位，当价格到达该价位时，该挂单自动触及成交。在MT4平台上，有四种挂单方式，分别为“buy limit、sell limit、buy stop和sell stop”。
1.buy limit
限价买单。以低于现价的位置挂多单做多。如伦敦金现时买入价为1210.00美元/盎司，投资者预测当金价下跌至1205.00美元/盎司时将会上涨。则投资者可以在1205.00美元/盎司的价位入场挂多单。
2. sell limit
限价卖单。以高于现价的位置挂空单做空。如伦敦金现在的卖出价为1220.00美元/盎司，投资者预测当金价上涨至1230.00美元/盎司时将会承压下行，则投资者可以在1230.00美元/盎司价位入场挂空单。
3.buy stop
停损买单。以高于现价的位置挂多单做多。如伦敦金现时买入价为1210.00美元/盎司，投资者预测当金价突破1215.00美元/盎司时，将会继续上涨，则此时可以使用buy stop的方式挂多单。
4.sell stop
停损卖单。以低于现价的位置挂空单做空。与buy stop的运用原理恰好相反。
二、限价平仓
“现价平仓”也称之为止盈止损设置。当您设置好交易价位时，就可以不再需要时刻盯盘，当金价到达投资者所设立的价位时，单子就会自动平仓，从而获利了结或是控制亏损在合理的范围内。
比如说，目前伦敦金的买入价为1210.00美元/盎司，李小姐入场做0.01手做单，同时李小姐设立止盈价位为1214.00美元/盎司，止损价位为1207.00美元/盎司。经过一段市场行情波动后，伦敦金震荡上行至1218.00美元/盎司，因为触及到李小姐的止盈价位，因为李小姐设置的限价多单便在1214.00美元/盎司价位自动平仓。
本文来源： 大田环球贵金属
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