Indeed, fish is the only widely traded commodity that has no derivatives market.

实际上，鱼类仅仅是被广泛交易的日常商品，它没有衍生品市场。

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In this case, the Position Limits Rule, which according to both parties is a significant and unprecedented change in the operation of the commodity derivatives market, has not yet gone into effect.

FORBES: Dramatic Federal Court Ruling Vacates CFTC Positions Limit Rule