|
|
Market Makers Per Security by Month
|
- Average Daily Statistics
|
|
| Month |
Year |
Market Makers Per Security |
| January | 2012 | 1.62 |
| December | 2011 | 1.67 |
| November | 2011 | 1.72 |
| October | 2011 | 1.74 |
| September | 2011 | 1.75 |
| August | 2011 | 1.81 |
| July | 2011 | 1.89 |
| June | 2011 | 2.02 |
| May | 2011 | 2.08 |
| April | 2011 | 2.24 |
| March | 2011 | 2.42 |
| February | 2011 | 1.97 |
| January | 2011 | 2.17 |
|
| |
|
Market Makers Per Security by Year
|
- Average Daily Statistics
|
|
| Year |
Market Makers Per Security |
| 2010 | 4.03 |
| 2009 | 7.38 |
| 2008 | 11.17 |
| 2007 | 13.42 |
| 2006 | 13.38 |
| 2005 | 14.42 |
| 2004 | 13.15 |
| 2003 | 9.6 |
|
| |
