bot SCO $35.14 and $34.91 SCO (2X short oil) 02/04/2009 Buy xx SCO PROSHS ULTRASHORT DJ AIGCRUDE OIL $34.91000 02/04/2009 Buy xx SCO PROSHS ULTRASHORT DJ AIGCRUDE OIL $35.14000 balancing against existing UCO positions held (UCO goes up.....SCO goes down)