*Base Assessments are calculated to reflect the potential obligation that each clearing member could be called for in the event clearing member defaults exhaust the guaranty fund, however the total amount available would be reduced by the defaulted clearing members assessment obligations since they would no longer be able to satisfy their obligations.

Read CME Clearing's Financial Safeguards Document for complete details on CME Clearing’s financial safeguards system. The brochure is intended to provide an overview of CME Clearing’s financial safeguards system. For additional details and applicable rules, please reference the respective CME Clearing rulebooks published on CME Group’s website (www.cmegroup.com).


Margin Services

Find the margin tool for you

Explore our suite of simple, easy-to-use tools to integrate with and connect you to powerful margin engines.


All examples in this report are hypothetical interpretations of situations and are used for explanation purposes only. The views in this report reflect solely those of the author and not necessarily those of CME Group or its affiliated institutions. This report and the information herein should not be considered investment advice or the results of actual market experience.

CME Group is the world’s leading derivatives marketplace. The company is comprised of four Designated Contract Markets (DCMs). 
Further information on each exchange's rules and product listings can be found by clicking on the links to CME, CBOT, NYMEX and COMEX.

© 2025 CME Group Inc. All rights reserved.