词典释义：
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The price of this option contract is its premium.
期权协约的价格成为期权费。
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The futures or option contract which expiry date is the longest.
到期日距今最远的期货或期权合约。
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An option contract that provides the right to buy a security at a specified price.
买权一份提供权利以一特定价格收购证劵的选择权契约。
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Underlying Something that forms the foundation for another thing. In some option contracts, it is subject to delivery when the contract is exercised.
基础的作为另一事物基础的东西。在一些期权合同里，当履行合同时有可能被移交。
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Furthermore, combining with the stability of long contract and the flexibility of spot purchasing, the model of option contract in B2B E-market is established, and the optimal solutions are discussed.
此外，期权合约在B2B电子市场的模式与稳定的长期合同和现货采购的灵活性相结合，建立和最佳的解决方案进行了讨论。
期权合约 英语为：option contract；option。期权合约产生于1973年芝加哥期权交易所亦作：期权。期权合约 以金融衍生产品作为行权品种的交易合约。指在特定时间内以特定价格买卖一定数量交易品种的权利。合约买入者或持有者(holder)以支付保证金——期权费(option premium)的方式拥有权利；合约卖出者或立权者(writer)收取期权费，在买入者希望行权时，必须履行义务。