外汇汇率有三种形式，即：买进汇率，售出汇率和两者的平均值——中间汇率。
There are three types of foreign exchange price: buying rate, selling rate, the average of the two-medial rate.
在联系汇率制度结束的时间如此不确定的情况下，除买进到期时可能一钱不值的期权外，是否还有其他可以获利的办法？
With the timing of a change to the peg so uncertain, are there ways to wait for a payday other than buying options that may expire worthless?
由于大量美元通过净出口和外国投资的形式流入中国，中国央行必须按盯住的汇率买进这些美元。
As large amounts of dollars flow into China through net exports and foreign investment the Chinese central bank must buy up these dollars at the pegged exchange rate.
套汇商是利用市场间暂时的汇率差额低价买进，高价售出的人。
Arbitrageurs are individuals who take advantage of any temporary difference in exchange rates across markets to buy low and sell high.
为了使汇率下降，中国人民银行今年或许需要用人民币买进5000亿美元外汇。
The People's Bank of China may have to buy $500bn of foreign currency with renminbi this year to keep the exchange rate down.
汇率波动对海外股票的表现会产生很大影响，因为投资者在买进时要将美元转换为本地货币，而卖出时又要兑换回美元。
Currency fluctuations have a big impact on the performance of foreign stocks because investors translate dollars into local currency when they buy, and then back into dollars when they sell.
在中国现行的货币机制下，央行通过买进美元和卖出人民币来干预人民币汇率，因此不会让这些美元储备兑换回人民币。
China's currency regime, in which the central bank intervenes to set the value of the yuan by buying dollars and selling yuan, does not permit it to convert any of those dollars back into yuan.
卖方期权则是一项按商定的汇率卖出一种货币并买进一种基准货币的权利。
An option which provides the right to buy a currency and sell the base currency is a call option.
卖方期权则是一项按商定的汇率卖出一种货币并买进一种基准货币的权利。
A put option provides the right to sell a currency and buy the base currency at the agreed rate.
买进和卖出汇率的差额------以这里20点为例称为“差幅”。
The difference between the rates, 20 points in this case, is known as the "spread" or "margin".
买进和卖出汇率的差额------以这里20点为例称为“差幅”。
The difference between the rates, 20 points in this case, is known as the "spread" or "margin".
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