User Help System
Login and Logout
CME CORE uses CME Group Login IDs for authentication. You may login (or register for an ID) from the CME Customer Center at cmegroup.com. Refer to the CME Group Login WebHelp for additional information.
- To log into CME CORE:
- Navigate to: https://cmegroup.com/.
- Select the Profile icon and select CME Customer Center:

- Enter your CME Group Login credentials and select Login.
- From the Customer Center menu, select PORTFOLIO & RISK > CORE Margin Calculator.
- To exit CME CORE:
Select the X to close the CORE Margin Calculator tab.
- To Logout of CME Customer Center:
Select the Profile icon and select Logout.


