Regulators hope that as more derivatives trade on exchanges, it will be easier to spot suspicious trading patterns across asset classes.
监管机构希望更多的衍生产品交易在交易所内进行，这样可以更容易发现可疑的涉及资产类别的交易。
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Dutch or British, the men on the spot were no less ready to pocket their employers' money, making up for low pay with embezzlement and trading on their own account.
While the options market is small, it serves as an indicator of longer-term views because its participants tend to look further into the future than those trading in the spot market.