buy limit order

基本解释

Once the stop price is reached, the stop-limit order becomes a limit order to buy or to sell at a specified price.
一旦停止价格达成协议，限价订单成为限制为了购买或出售在指定的价格。
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Buy Limit Order can only be executed at the Limit Price or lower, and a Sell Limit Order can only be executed at the Limit Price or higher.
限价买盘只会按限价或更低的价位执行，而限价沽盘只会按限价或更高的价位执行。
An order to a broker to buy a specified quantity of a security at or below a specified price, or to sell it at or above a specified price (called the limit price). opposite of no limit order.
指客户对于证券经纪人的买卖委托中设有买入低于规定价格或卖出高于规定价格的指令。该规定价格叫限定价格。非限价委托的意思正好相反。

In this case, you can place a limit-buy order a few pips above that support level so that your long order will be filled when the market moves down to that specified price or lower.
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This is done on a GTC Limit Order to buy weakness to the Value Level.
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The best way to protect yourself is to use limit orders when placing an order to buy or sell a stock or an exchange-traded fund. (See How Your Buy and Sell Orders Get Filled for more.) Look at the bid-ask spread and set your price limit at the bid for selling a stock and at the ask for buying a stock.
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