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.
油價在盤中暴漲至每桶130美元，部分原因是因為紐約商業交易所(Nymex)的10月份期貨合約將在當日收盤時到期，因而對賣空頭寸形成擠壓，迫使一些金融投資者回補其賣空頭寸，以免收到實際的桶裝石油交貨。
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