通过伪造一个交易组合来平衡他在真正进行的交易组合，他的净暴露就能保持在允许的范围内而不被发现。
By creating a fictitious portfolio of trades that appeared to balance those he was really making, his net exposure stayed within set ranges and he remained below the radar.
首先兴业的注意力集中在交易员的净暴露上，即被套利的交易组合之间的差值。
The first was the bank's focus on traders' net exposure, the difference between the portfolios that are being arbitraged.
清算所将每个交易所清算成员各自的净结算头寸通知他们。
The clearinghouse informs every exchange member of their net settlement status.
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