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交割合约是指期货合约的双方同意在指定时间也就是交割日，按期货的价格进行合约交割买卖。该合约价格全部由市场机制形成，不使用指数而是用最新成交价计算盈亏。 The rural residential town of Perryman, Situated eight miles east of Abingdon Woods, throughout the Bush River, is yet anot
交割合约是指期货合约的双方同意在指定时间也就是交割日，按期货的价格进行合约交割买卖。该合约价格全部由市场机制形成，不使用指数而是用最新成交价计算盈亏。 The rural residential town of Perryman, Situated eight miles east of Abingdon Woods, throughout the Bush River, is yet anot