TMX Group – Consolidated Trading Statistics October 2011 - Toronto Stock Exchange, TSX Venture Exchange, TMX Select, Montreal Exchange, Natural Gas Exchange

TMX Group Inc. today announced October trading statistics for its diversified group of exchanges – Toronto Stock Exchange, TSX Venture Exchange, Montreal Exchange (MX) and Natural Gas Exchange (NGX), as well as TMX Select, TMX Group's alternative trading system.

Highlights

Volume on MX increased 36% in October 2011 over October 2010, though it decreased 18% compared to September 2011. Open interest contracts increased 20% over the same month a year earlier, but were down 9% from September 2011. Year-to-date, both volume and open interest contracts continued to surpass 2010 levels.

Toronto Stock Exchange trading volume fell 3% in October 2011 compared to September 2011, and was down 6% compared to the same month a year earlier. Trading volume on TSX Venture Exchange was down 6% in October 2011 from September 2011, and was also down compared to the same month a year earlier. On a year-to-date basis, both Toronto Stock Exchange and TSX Venture Exchange continued to surpass 2010 levels in volume, value and transactions.

Volume on NGX was up 18% in October 2011 compared to September 2011, and was up 2% compared to the same month a year earlier. Year-to-date volume on NGX is down 9%.