In January a subsidiary of NASDAQ, an American stock exchange, launched a central clearing house for interest-rate swaps.

今年1月份，纳斯达克(NASDAQ)作为一家美国股票交易所，其下属某机构启动了一个利率互换集中清算中心。

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It owns 10% of the Oslo Stock Exchange, and 60 other exchanges, depositories and clearing organizations, including the Nordic Exchange, an umbrella term used to describe the stock exchanges of Helsinki, Copenhagen, Stockholm, Iceland, Tallinn, Riga and Vilnius.

FORBES: Magazine Article

Euronext, a continental stock exchange that offers central counterparty and netting services via its clearing house, Clearnet, says it is happy to discuss partnerships with other European clearing houses to find a pan-European solution.

ECONOMIST: The London Stock Exchange

The UK's competition regulator has given the London Stock Exchange Group the go-ahead for its planned takeover of clearing house LCH Clearnet.

BBC: LSE cleared by OFT to buy LCH Clearnet