The jump in oil prices to an intraday high of $130 a barrel was exacerbated by a squeeze on short positions ahead of the expiry at the close of the Nymex October futures. This forced some financial investors to cover their short positions to avoid taking delivery of physical barrels of oil.
油价在盘中暴涨至每桶130美元，部分原因是因为纽约商业交易所(Nymex)的10月份期货合约将在当日收盘时到期，因而对卖空头寸形成挤压，迫使一些金融投资者回补其卖空头寸，以免收到实际的桶装石油交货。
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