这基本上是一个50万至100万美元的合约大小。
That's basically a 50-million to 100-million-dollars contract size.
电子迷你期货合约已经成为大小客户的至爱，因为它的保证金要求远比标准期货合约低。
The electronic E-mini futures contracts have become a favorite among traders with small and large accounts, as the margin requirements are much less than the full-sized futures contracts.
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