The exchange operator said average daily volume in derivatives around the world was down 2.7%, to 9.0 million contracts a day in January 2011 versus 2010.
Equities trading in the United States on its NYSE, NYSE Arca and NYSE Amex exchanges was down 12.2 percent in January 2011, compared to 2010. Average daily volume was 2.4 billion shares.
The company's matched market share in NYSE-listed stocks was 33.9% in January 2011, compared to 34.3% a year ago and 35.0% in December 2010.
There were bright spots.
Equities trading in Europe was up 28%, compared to January 2010. Average daily volume was 1.8 million transactions in January
European equities volume also was up 44.1% from December.
And, in general, activity in January 2011 was way up from December 2010.
Global derivatives trading, for instance was up 35.6% from December. This derived from a 78.0%increase in European fixed income derivatives and a 29.5% increase in U.S. equity options.
European derivatives products gained 41.9% from December, to 4.7 million contracts a day. European fixed income products in January 2011 reached 2.6 million contracts, down 4.3% compared to January 2010, but up 78.0% from December 2010.
U.S. cash equities volume in January was up 18.2% compared to December.
U.S. equity options saw average daily volume of 4.4 million contracts in January 2011 up 3.0% from a year ago and up 29.5% from December.
