Topics in this issue include:

• CME ClearPort API Software Update - April 22 ^Update
• Price Precision Extension - 2018

Update - CME ClearPort API Software Update

† Denotes update to the article

Effective Sunday, April 22 (trade date Monday, April 23), CME ClearPort is implementing an †internal software update. †This update will have no functional or performance impacts.

Clients are strongly encouraged to login to CME ClearPort API in New Release now to ensure no business interruption.

Price Precision Extension

In the Q4 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.

Also in Q4 2018, the first application of this new price format functionality, pending regulatory approval, will implemented be for 2-Year Treasury Note  Futures, Future Spreads and inter-commodity spreads, with a price precision of eight decimal places.

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 Q2 2018.