The exchange world is being remade again with the merger of London Stock Exchange Group Plc. and TMX Group Inc. and the likely combination of NYSE Euronext with Deutsche Boerse.
But in the exchange world, that's nothing new. With almost $100-billion of deals in the last decade, here are some the biggest (prior to yesterday's big announcements).
The biggest exchange deals
$11.1-billion (U.S.) -- The acquisition of CBOT Holdings Inc. (United States) by Chicago Mercantile Exchange (United States) in 2006
$10.3-billion -- BovespaHolding SA, which runs the Sao Paulo stock exchange in Brazil, merges with BM&F, which runs the main derivatives markets in the country in 2008.
$10.2-billion -- NYSE Group Inc., owner of the New York Stock Exchange, buys European exchange operator Euronext NV in 2006.
$8.3-billion -- Singapore Exchange offers to buy ASX Ltd, which runs the Australian stock market, in late 2010. The deal is pending.
$7.56-billion -- NYMEX Holdings is taken over by CME Group Inc. in 2007 as the U.S. derivatives markets consolidate.
$4.1-billion -- Nasdaq Stock Market buys Sweden's OMX AB in 2007, bringing together the U.S. market with many in northern Europe.
$3.4-billion -- OMX buys Dubai International Finance Centre in late 2007.
$2.8-billion -- International Securities Exchange Holdings Inc. is purchased by Eurex AG, bringing together derivatives markets.
$2.26-billion -- New York Stock Exchange purchases Archipelago Holdings to get into electronic trading and diversify away from its traditional open outcry floor trading.
Data: Thomson Reuters.