† Denotes update to the article

Effective Sunday, June 28 (trade date Monday, 29), the following changes will be implemented on CME Reference Data API:

  • New fields to support the expansion of the variable tick values for VTT Code 17 and 18 from 2 to 4 levels
  • †MDP3 Channel attribute now filterable
CME Reference Data API - New Attributes
EndPoint Attribute Name Description Type Market Type Filterable
optionSeries vttLowThreshold Low Price Threshold. Double Listed Derivatives N
vttMidLowTick This field defines the smallest tick the instrument can trade at as defined by the vttMidLowThreshold.
vttMidLowThreshold Mid-Low Price Threshold
vttMidHighTick This field defines the smallest tick the instrument can trade at as defined by the vttMidHighTick.
vttMidHighThreshold Mid-High Price Threshold.
vttHighTick This field defines the smallest tick the instrument can trade at as defined by the vttHighThreshold.
vttHighThreshold High Price Threshold.
†Product mdp3Channel Market Data Platform channel for CME Globex book String ALL Y

These changes will be available for customer testing in New Release on this Thursday, June 18.

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