• CME Reference Data Notice: October 26, 2023

      • To
      • Referential Data Customers
      • From
      • Global Market Solutions & Services (GMSS)
      • #
      • 20231026
      • Notice Date
      • 26 October 2023

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      Topics in this issue include:

      Reminder: CME Reference Data API v2 Decommission - This Week

      Effective this Friday, October 27, Reference Data API version 2 will be decommissioned and no longer supported. Version 2 is currently deprecated.

      Customers are strongly encouraged to migrate to Reference Data API Version 3 as soon as possible to prevent any data interruptions.

      CME Reference Data API v3 (RD APIv3), hosted on Google Cloud (GC), provides the following enhancements:

      • Decreased refresh time rate
      • Increased results per page from 20 to 1000
      • No change to your API IDs and entitlements

      Clients should review the Client Impact Assessment for details on v3.

      Reference Data API Version 3 is currently available in Production and for customer testing in New Release.

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      CME Reference Data API Changes - November 1

      Effective Wednesday, November 1, two new eligibility indicators will be added to CME Reference Data API.

      The following attributes will be added:

      Product or Instrument Attribute Name Description
      Instrument leadMonthInd Boolean flag to identify whether a contract is the lead month ("Y", "N").
      Product/Instrument isTmacProduct Boolean flag identifies whether the overlying product is a TMAC product ("Y", "N").

      These changes are currently available for customer testing in New Release.

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