Topics in this issue include:

• CME ClearPort FIXML Library ^New
• Price Precision Extension - 2018

New - CME ClearPort FIXML Library

A new CME ClearPort FIXML Library resource is currently available in the Client Systems Wiki. This page centralizes the CME ClearPort API FIXML Message Specification and includes filters for querying messages by:

• Field Name
• FIXML Attribute Name
• Data Type
• Present/Conditional/Optional

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Price Precision Extension

In the second half of 2018, CME ClearPort API will support an increase to the maximum price precision from seven to nine decimal places to provide greater price granularity for future launches.

In Q4 2018, the first application of this new price format functionality, pending regulatory approval, will be implemented for 2-Year Treasury Note futures, future spreads and inter-commodity spreads.

The attributes listed below will be impacted.

For more on impacted products and CME Globex, iLink messaging, Drop Copy and Market Data impacts, view the CME Globex Client Impact Assessment.

Trade Capture Reports and Acknowledgements

Price will be impacted at the Trade Capture Report and Trade Instrument Leg Group levels.

Reference Data

These enhancements will be available for customer testing in New Release in the first half of 2018.

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