It started electronic trading in 2008 but maintains an open-outcry trading floor for its 171 members.

它在2008年开始电子交易，但为其171家会员保留了公开喊价交易大厅。

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The New York exchange claims that customers, such as hedge funds or energy companies, prefer open-outcry because it allows for more liquidity.

纽约商品交易所声称对冲基金或者能源公司这样的客户更喜欢公开叫价，因为这种方式照顾到了更多的流动资金。

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But in recent years the colourful open-outcry trading floors have gradually ceded business to electronic transactions.

但在最近几年，有声有色、公开叫价的交易大厅已逐渐将业务拱手让给电子交易。

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It does give Nymex, which is planning on an initial public offering later this year, a critical boost in electronic trading to complement its traditional open-outcry floor-trading model.

FORBES: Magazine Article

Whether the American Stock Exchange's plans for a part-open-outcry, part-electronic model will satisfy the rule remains to be seen.

ECONOMIST: Good times rarely last

It'd be hard to find a hotter stock than the Chicago Mercantile Exchange, the world's largest open-outcry derivatives market that some have called the " Google " of the financial sector because of its high-flying price surge.

FORBES: Magazine Article