2008年，管理纽约商品交易所的美国商品期货交易委员会(CTFT)考察了对冲基金手中变化的头寸如何影响油价。

In 2008 America's Commodity Futures Trading Commission (CFTC), which regulates NYMEX, examined how the changing positions of hedge funds affect prices.

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债券交易商可以在利率期货市场上(interest rate futures market)通过对冲(hedging)规避利率风险。

Traders can trade away the underlying interest rate risks by hedging in the interest rate futures market.

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其二，美国有世界最大的原油期货市场，不少基金、用油企业可以通过参与期货交易赚取利润或者转嫁风险、对冲成本。

Second, the world's biggest crude petrol future market is located in US. Many funds and petrol-consumed companies could make benefits, transfer the risk or counteract the costs.

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