Topics in this issue include:

• Support for Additional Calendar Spread Options - December 2 ^New
• Price Precision Extension - 2018

New - Support for Additional Calendar Spread Options

Effective Sunday, December 2 (trade date Monday, December 3), pending all relevant CFTC regulatory review periods, CME ClearPort will support trade entry for the following Calendar Spread Options (CSOs):

• Consecutive Corn CSO
• Consecutive Soybean CSO
• Consecutive Soybean Oil CSO
• Consecutive Chicago SRW Wheat CSO
• Consecutive Soybean Meal CSO
• Consecutive KC HRW CSO

For more information, please refer to SER-8279 in the Special Executive Report (SER) Notice Archive.

This enhancement will be available for customer testing in New Release on Wednesday, November 14.

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Price Precision Extension

CME Group is implementing end-to-end technology changes to support increased price granularity. Currently, CME Group systems support a maximum of 7 decimals. With this initiative, products with up to 9 decimals may be listed and traded. Effective Sunday, January 13, 2019 (trade date Monday, January 14), pending regulatory approval, the 2 Year Treasury Note futures and spreads will move from 7 decimals to 8 to support trading at 1/8 of 1/32.

Customers are encouraged to move to support 9 decimals now; but there are no plans to list a product that uses the 9th decimal at this time.

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 are currently available for customer testing in New Release.

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