They thus provide farmers and traders with an important defence or "hedge" against price risks.

因此，这类合同为农民和贸易商提供了应对价格风险的重要防卫或保护。

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In such deals, traders sell borrowed shares, hoping they can buy them back later at a cheaper price.

在这类交易中，交易员将会卖出借来的股票，希望随后会以更低的价格将其买回。

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As expected, the availability of price information increased the level of competition between the traders, raising prices and reducing the variation in prices between nearby mandis.

正如期望的那样，价格信息的可获得性增加了交易员之间竞争水平，提高了收购价格并且降低了与附近大集市之间的价格变化。

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Bernard Bilski and Rand Warsaw wanted to patent a method to let traders protect against the risk of price changes in energy markets.

VOA: special.2010.07.16

Well, there's a formula that's been used by bond traders for hundreds of years and it's a traditional expression, which goes from the discount rate to the price.

这里有个债券交易商,用了上百年的公式,这是个传统表达式,它能用折扣率算得价格

耶鲁公开课 - 金融市场课程节选

In regular short-selling,traders borrow assets and sell them at a set price, hoping they can make a profit by buying them later at a lower price.

VOA: standard.2010.05.19

Wednesday is a key trading day because it is the last day of the month, when traders price their portfolios.

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Add the effect of speculation by commodities traders and price volatility is even greater.

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The goal is to get in quickly, before others can analyze and react, and then sell into the strength created after ordinary traders and investors have reacted to the initial price move created by the traders, and have driven the price higher (or lower if the move is to the downside).

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