Fun time to be trading I guess... http://www.cmegroup.com/notices/clearing/2018/04/Chadv18-155.pdf Some of these intra-commodity spread increases are totally nuts. And why some NASDAQ products? What do they know that we do not? Like... Mths 5+ vs Mths 5+ (ALUMINA FOB METAL BULLETIN FUTURES) Spec Increase USD old 248 old 225 new 2,200 new 2,000 Holy smokes!