MDP 3.0 - Support Services
The following MDP support services are available:
- Schema
- Market Data Configuration
- Security Definition Flat File
- Market Schedule File
- CME Reference Data API
An FTP/SFTP site is used to store the template files, configuration files, and market schedule files for all environments and the Security Definition Flat File.
Service | Description |
|---|---|
Core Globex Schema | MDP is a template-based protocol wherein a given message is interpreted by means of its corresponding template. Each message contains a unique Schema ID that references the template to use to interpret the message. The schema dissemination service provides a method for client systems to receive all of the CME active templates, or the templates associated with either a schema ID or a Market Data Group. |
Global TCP Recovery SBE Schema for UDP | A Global TCP Recovery SBE Schema for UDP is an SBE schema dissemination service that provides a method for client systems to process TCP Recovery for UDP system administration messages for UDP market data groups. The Global TCP Recovery SBE Schema for UDP is available for BrokerTec and EBS. |
| TCP Session Management SBE Schema | An SBE schema for client systems to receive CME Group session management templates for the CME MDP Conflated TCP market data group. The Global TCP Recovery SBE Schema for UDP is available for BrokerTec and EBS.
|
UDP Market Data Configuration | The Market Data Configuration Service allows clients systems to receive the list of all UDP Market Data (multicast IP, product group, and Security ID). |
Security Definition Flat File | The Security Definition Flat File (secdef.dat) is available only for the Futures and Options environment. This Security Definition Flat File is available for Futures and Options only. The process to generate the file begins each Sunday through Friday as follows: All start times are Central Time (CT)
The availability of the file will vary. Typically it takes approximately 50 - 60 minutes to complete the creation of the file. The Security Definition Flat File file contains the Security Definition (tag 35-MsgType=d) message information for the start of the next trading day, including instrument data and daily settlement prices. This file has been decoded and some of the data has been converted to human-readable FIX format. Please see the MDP - Security Definition message specification for a detailed description of each tag value. This file is not refreshed throughout the trading day. Once a trading day has started, the following intra-day instrument changes are not reflected in the file until a new one is generated that evening:
CME Group strongly recommends using this file either in addition to or as a back up for the market data channels due to risk of unaccounted for intra-day instrument additions and deletions. |
The Market Schedule File (TradingSessionList.dat) lists all Security Groups with state changes scheduled for each Trading Date of the current week. It is available for the Futures and Options New Release and Production environments. This Market Schedule File is available for Futures and Options only. The Market Schedule file is created on Sundays and will be available all week. It will not be refreshed throughout the week. Mid-week changes to the schedule are not updated in the file. Use of the Market Schedule File is optional. | |
CME Reference Data API | Additional product and instrument referential data can be obtained via CME Reference Data API. Globex tag 48-SecurityID maps to the Reference data API instrument field globexSecurityId. |
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