该合约规模将定在每手1000克。
合约规模是否合理可通过比例法和合约风险价值法来判断。
The reasonable contract size can be determined based on rule of three and contract risk value rule.
目前正在讨论的下一步举措，是把它们变成多边合约，增加参与国数量，并扩大资金规模。
The next step, now under discussion, is to make the contracts multilateral, and add more countries and money.
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