Analysis: ICE v NYMEX for collars, calls, condors
http://www.reuters.com/article/2011/05/16/us-cme-ice-options-idUSTRE74F35020110516
ICE has seen options trade volumes skyrocket, from just 875 contracts in early 2010 to 504,640 in the first four months of 2011. Still it is just a fraction...