Peak6 Capital Management is a diversified financial services firm co-founded in 1997 by Matthew Hulsizer and Jennifer Just, who had previously worked together at Swiss Bank (one of the forerunners of UBS) and in derivatives at O’Connor & Associates. Among other services, Peak6 Capital manages the online brokerage OptionsHouse, advises wealthy individuals, and operates a paper trading site. Peak6 also manages investments under the name Peak6 Capital. In 2010, Hulsizer launched an unsuccessful bid to buy the Phoenix Coyotes.