CME List Server CME offers several list servers (automated electronic mailing lists) through which you can be electronically notified of important events. There is no charge for any list server subscription and you may subscribe or unsubscribe at any time by accessing the  CME List Server Subscription system. Available List Servers Clearing House Advisory Notices General Clearing House advisories, other than notices of performance bond rate changes SPAN and PC-SPAN Advisory Notices News relating to SPAN® and PC-SPAN® CME Contract Specifications Advisory Notices Notifications of upcoming changes to contract specifications for CME products, including new products launches and changes to existing products Performance Bond Rates Advisory Notices Notifications of upcoming changes in performance bond rates for CME products Client Management Advisory Notices Client Management advisory notices are sent via weekly e-mail To Subscribe, Unsubscribe or Change Information on the CME List Servers Go to  CME List Server Subscription Follow the instructions to set up a new subscription of your e-mail to one or more lists, or change your existing list server subscription (subscribe or unsubscribe) Please make sure you correctly enter your e-mail address Within minutes of sending your e-mail, you should receive an e-mail welcoming you to the list server back to top