Assets in US listed exchange-traded funds and exchange-traded notes totalled approximately USD744.7bn at January 2010 month-end, an increase of 48 per cent over January 2009 month-end when assets totalled USD504.6bn. 

At the end of January 2010, the number of listed products totalled 947, compared to 856 listed products at the end of January 2009.

January 2010 net cash outflows from all ETFs/ETNs totalled approximately USD17.3bn. 

Fixed income led all product categories with over USD3.1bn in net cash flow. 

US equities had record monthly net cash outflows for the category of over USD19.8bn for the month of January 2010.

The NSX monthly statistics include shares of open-end exchange-traded products, encompassing US listed shares of investment companies, grantor trusts, ETNs and commodity pools.