Short Interests DroppedSettlement Date Short Interest Avg Daily Share Volume Days To Cover 2/28/2014 3,199,935 6,126,040 1.000000 2/14/2014 4,875,535 1,780,227 2.738715 1/31/2014 4,469,617 2,679,402 1.668140 1/15/2014 4,565,966 7,145,173 1.000000 12/31/2013 3,976,134 947,379 4.196983 Read more: https://www.nasdaq.com/symbol/bldp/short-interest#ixzz2vyaUTysm