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CME Group offers test products in the production environment to facilitate connectivity and messaging testing on CME Globex.

Customers can test anytime CME Globex is available. A successful test is indicated by the client receipt of either:

  • An Execution Report acknowledgment during the pre-open 
  • An Execution Report - Reject during the close  


The test products mimic the futures contracts currently available to trade on CME Globex. Only outright futures are listed. Market data is disseminated on the MDP 3.0 market data channel of the tradable contract.

Test products are available for Order routing only — trades and Fill or Kill (FOK) and Fill and Kill (FAK) orders are not supported.

Test Product Functionality

CME Globex supports the following functionality for test products.


Test products have the following iLink order entry and market data messaging identifiers:

CME Globex Test Product

MDP 3.0: tag 6937-Asset

iLink: tag 55-Symbol

MDP 3.0 tag 1151-SecurityGroup

Test – E-mini S&P MidCap 400 Futures

0MD (zero-M-D)


iLink Order Entry

Order entry functionality is available for test products on iLink as described below.

The messaging rate for test contracts is restricted to 1 message per 30 seconds per iLink session throughput.
  • New Order
    • Order Types and Qualifiers:
      • Day
      • Limit
  • Order Modify
  • Order Cancel
  • Mass Order Status
  • Mass Order Cancel

Market Data

Market data functionality for test products is available as follows.

Market States

Only the Pre Open market state is available for test contracts per the following schedule.

DayTime (CT)Instrument Security Status (tag 35-MsgType = f)
Sundaytag 326-SecurityTradingStatus =
Pre Open16:0021 (Pre Open)
Close16:594 (Close)
Monday-Thursdaytag 326-SecurityTradingStatus =
Pre-Open16:4521 (Pre Open)
Close16:594 (Close)

Market Data Statistics

The following statistics are available for test contracts.

  • Indicative Opening – Incremental Refresh tag 35-MsgType=X, tag 269-MDEntryType=4
  • A fixed, reasonable value will be published in the Daily Settlement – Incremental Refresh tag 35-MsgType=X, tag 269-MDEntryType=6 (Settlement price)
  • Preliminary settlements will be published
  • Messaging Controls are applicable

Risk Management Services

CME Globex Credit Controls

For GC2 purposes, test products will have a $1 margin rate.

Drop Copy

Drop Copy is available for test product order entry messages.