2012-01-25|ATTD|65,532,345|0|143,570,328|O 44.25%
2012-01-26|ATTD|40,033,514|0|103,867,317|O 38.54%
2012-01-27|ATTD|32,290,370|0|69,747,957|O 46.30%
2012-01-30|ATTD|32,505,831|0|64,729,409|O 54.85%
2012-01-31|ATTD|28,452,442|0|69,329,923|O 41.04%
2012-02-01|ATTD|14,479,857|0|34,671,589|O 41.76%
2012-02-02|ATTD|17,888,652|0|31,471,789|O
20120203|ATTD|15,705,592|0|26,530,990|O
Here are the last 8 trading days of short trading in ATTD. The last 2 days it was more than 50% of the daily volume as you can see.