Shortly after the IPO the members-only luncheon club and barber shop and 20% of the old-fashioned trading floor were closed.
Putnam was promoted to Vice Chairman and given additional responsibility overseeing SIAC.
In August 2007, Putnam announced that he would leave his managerial duties with the NYX and remain involved as a consultant with an office in Chicago.
In February 2011 Putnam moved from his position on the board to the acting CEO of Trumarx Data Partners in Chicago.
Which is an ECN networking site connecting large bilateral non-standard over the counter transaction of natural gas and power transactors.