Haven't seen this posted by anyone else yet. Look on page 4/5 of the document. http://www.cmegroup.com/tools-information/lookups/advisories/clearing/files/Chadv13-287.pdf
makes you wonder why they would up margins on a crashing commodity that "supposedly" no one wants... very interesting stuff happening atm. Its almost like "some one" wants to create a shortage by causing all the mines to stop producing and deplete all inventory in the market. Well china seems very happy. At this rate they will be consuming the entire yearly global gold production.