MDDL: Market Data Definition Language search:
FISD/SIIA
The XML specification to enable the interchange of information necessary to account, to analyze, and to trade financial instruments of the world's markets.
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About MDDL
Market Data Definition Language (MDDL) is an XML-based interchange format and common data dictionary on the fields needed to describe 1) financial instruments, 2) corporate events affecting value and tradability and 3) market-related, economic and industrial indicators.

MDDL Mission Statement

The goal of Market Data Definition Language (MDDL) is to define a publicly available standard that provides a generic XML-based interchange format for the fields needed to describe financial instruments (including identifiers and current/historical values), corporate events (including specific corporate and instrument information affecting value and tradability), and market-related information (including economic and industrial indicators). The goal is to promote data interoperability.
  • MDDL focuses on broad field definitions for market data content, applicable to multiple classes, with specific qualifiers or clarifying properties so that data may be described exactly.
  • The initial constructs of MDDL are for snapshot and time series applications. MDDL can be extended to historical, streaming and interpretative and vendor-specific data models as appropriate.
  • Intellectual property rights in MDDL are owned by the Financial Information Services Division (FISD) of the Software & Information Industry Association (SIIA), but freely licensed and made available on an "as is" basis.
  • See more details on these pages:

  • Introduction
  • Governance
  • Advantages
  • MDDL in Use

  • Assistance for creation of this website from:
    Company: IRIS Business Services (India) Private Limited
    Description: IRIS, with 10 years of proven expertise in the financial information management space, owns and manages one of India's most comprehensive financial information databases, covering the universe of publicly traded companies and mutual funds. It provides information and research solutions to global players in the financial markets, insurance, manufacturing, consulting firms and the government. IRIS also provides technology solutions for content processing and management, content integration and content delivery. IRIS is also one of the key members of the XBRL India Foundation.
    and guidance from:
    Company: London Market Systems Limited
    Description: London Market Systems specializes in identifying the appropriate industry standards for your Enterprise. Our expertise in the domain of financial messaging and in particular Market and Referential Data means that we have been able to make a valid contribution to the development of MDDL.
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