对所有主要的消息出来作为一个单一的版本中，我们可以使用一个跨越战略，使我们有新闻前买进和卖出指令一分钟。
For all major news that comes out as a single release we can use a straddle strategy that will enable us to have a buy and a sell order one minute before the news.
由客户发给经纪商的一个指定价格，限制其指令在买入时不高于该价格，卖出时不低于该价格。
The definite price stated by a customer to a broker restricting the execution of an order to buy for not more than, or to sell for not less than, the stated price.
当价格击穿最近20天低点，就会触发我们的卖出止损指令，退出交易。
When prices fall back through the lowest low price of the last twenty days, the trade is exited using a sell stop order.
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