自从去年雷曼兄弟破产以来，公司就一直在担心若出售套期保值合约的公司倒闭，合约是否还能得到兑现。
Ever since the collapse of Lehman Brothers last year, firms have been worrying about whether they will ever be able to collect on the hedging contracts they have bought if their bank collapses.
由于针对喷气燃料的远期期货市场流动性不佳，绝大多数的套期保值交易都是以西德克·萨斯轻质原油期货合约为交易标的的。
Long-dated futures markets for jet fuel are highly illiquid. Much of the hedging is carried out with WTI contracts but the actual fuel is mainly refined from pricier oils.
高盛在周日发表的报告中称，套期保值活动可能导致这些合约涨势停顿。
In a Sunday note, Goldman Sachs said the hedging activity could cause the rally in those contracts to stall.
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