Instead, they commit their own capital to make markets - as the Chicago pit traders did - by Posting bids and offers on various exchanges.
相反,它们通过在众多交易所下买盘和卖盘,用自有资金做市——就像芝加哥场内交易商所做的那样。
2
In addition, the changes make all forms of trading, particularly "prop" trading, more expensive by forcing Banks to hold more capital in reserve to support the activity.