Net revenues for the fourth quarter of 2011 were BRL471.2m ($273.3m), compared to BRL473.3m ($274.5m) for the same period a year ago.

Operating income was BRL179.6m ($104.1m), compared to BRL284.6m ($165.1m) for the same period in the previous year.

Trading and post-trading (transactions) revenues in the Bovespa segment were down by 13.6% compared to fourth quarter of 2010, following a 5.5% decrease in trading volumes.

BM&FBOVESPA CEO Edemir Pinto said that they remain focused on capturing the growth opportunities offered by the Brazilian market. The execution of their investment program to strengthen our IT infrastructure and the launching and development of products and markets, such as ETFs, HFTs and options on single stocks, are aligned with this goal.

"We are also taking actions to strengthen market supervision, which will help make the Brazilian market more attractive to investors," added Pinto.