http://www.ft.com/intl/cms/s/0/e226b404-06eb-11e1-b9cc-00144feabdc0.html?ftcamp=rss
"After the deal closes, instead of paying S&P indices a fixed fee per trade, CME will pay a share of the profits that it makes on trading and clearing of equity-based futures, swaps and options on futures.
"After the deal closes, instead of paying S&P indices a fixed fee per trade, CME will pay a share of the profits that it makes on trading and clearing of equity-based futures, swaps and options on futures.