AEE
Ameren CorporationNYSE
Settlement Date Short Interest Avg Daily Share Volume Days To Cover
1/15/2010 4,336,172 1,229,226 3.527563
12/31/2009 4,497,391 1,070,913 4.199586
12/15/2009 3,598,601 2,120,210 1.697285
11/30/2009 4,351,632 1,565,801 2.779173
11/13/2009 5,210,676 1,684,495 3.093316
10/30/2009 4,421,765 1,722,617 2.566888
10/15/2009 4,213,490 1,578,196 2.669814
9/30/2009 3,731,849 1,890,500 1.974001
9/15/2009 4,391,194 4,365,089 1.005980
8/31/2009 11,029,109 1,366,427 8.071495
8/14/2009 10,905,875 1,799,620 6.060099
7/31/2009 8,059,350 1,385,814 5.815607
7/15/2009 8,466,051 1,176,786 7.194215
6/30/2009 8,841,798 1,374,111 6.434559
6/15/2009 8,974,362 1,523,556 5.890405
5/29/2009 7,772,618 1,515,253 5.129584
5/15/2009 6,345,619 1,822,474 3.481871
4/30/2009 5,342,624 1,945,039 2.746795
4/15/2009 4,952,171 1,709,321 2.897157
3/31/2009 4,854,352 2,187,983 2.218642
3/13/2009 3,600,403 2,589,760 1.390246
2/27/2009 3,624,998 2,874,880 1.260921
2/13/2009 3,845,450 1,993,217 1.929268