Only 35 million shares was offered on the IPO out of 635 million shares is a small portion for a small group of player. Half of 35 million shares were Shorted. The current pps does not represent the whole 635 million shares.
Wait until June 1st for the Revaluation as a whole when all the shares unlock for BIG PLAYERS.
Google once offered $6B at Rev. $300 million. Now GRPN makes $1.6B in Rev. plus high future grow.
I suggest short sellers should close their position before too late.