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UDIs created real-time are disseminated with the Market Data Security Definition (tag 35-MsgType=d) message. Customers can submit quotes and orders against the UDI and also incorporate the UDI into User Defined Spreads.

UDIs are:

• Created on the CME Globex platform using CME Direct only.

UDI Features

• UDIs follow the naming convention of Exchange-listed options.

• A user-submitted strike will generate both a call and put at that strike.

  • Customer will receive confirmation of UDI strike creation only (not call/put).

  • The put and call will be available for trading on CME Direct and CME Globex.

Eligibility

Only strike prices that meet the listing criteria defined in the CME Rulebook will be successfully generated as outlined below.

• The underlying futures expiration month must be listed as eligible for trading before a UDI can be generated.

• UDI strikes will have the same expiration date as other strikes in the same expiration month.

Available Functionality

The following CME Globex platform features are available for UDIs.

• A UDI can be used to generate User Defined Spreads (UDS).

• Quoting functionalities including:

  • Mass Quote

  • Mass Quote Cancel

  • Mass Quote Protections

• Credit Controls

• Price Banding

• Request for Quote (RFQ)

• Request for Cross (RFC)

• Settlement Pricing

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MDP 3.0 Security Definition messages (tag 35-MsgType=d) for UDI option outright instruments include the user defined instrument tag 9779-UserDefinedInstrument = Y.

Certification

Certification via AutoCert+ is not required for UDI functionality.