† Denotes update to the article

†Effective this Sunday, September 21 (trade date Monday, September 22), a new attribute will be added to CME Reference Data API. This attribute is for internal testing only and not intended for client use.

New Attribute - Selection Id
Product or Instrument Attribute Name Description Type Market Type
Instrument selectionId Selection Id is for internal use only and should be ignored by clients. String ALL

This change is currently available in New Release.

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