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DTCC’s Security Master File Data service provides the most up to date, comprehensive, centralized and reliable source of DTCC eligible securities' information to the market.

  • About

    DTCC’s Security Master Files enrich users' own security master data, creating a reliable, golden source of data and ensuring trades settle on time. Users can leverage trade processing efficiencies through this comprehensive, trusted data set, which describes more than 4 million active securities held at DTCC.

    Because they are the same data used to service the assets eligible at DTCC, clear trades and settle obligations through DTCC subsidiaries, DTCC's Security Master Files enable users to meet critical data quality requirements throughout the life cycle of a security.

  • Benefits



    High Quality Data
    Increase accuracy resulting in fewer exceptions by receiving data from a trusted and reliable source.
    Comprehensive Source
    Reduce costs by using a single consolidated source that includes all asset classes serviced through DTCC.
    Trusted Source
    Internal processing is synchronized with data driving U.S. clearance and settlement
    One data set
    Cost reductions from using a single, consolidated source
    Processed via DTCC Underwriting
    Reduce risk and increase straight-through processing for securities transactions with reliable data that must meet strict DTCC underwriting standards.

  • Offering

    • Master files with daily update files of security master information

  • Coverage

    DTCC’s Security Master Files represent the full population of securities eligible at DTCC – more than 4 million in total – that are updated on a daily basis. Complete master files are available to support periodic reconciliation. File availability is dependant on service subscription.

    Estimated number of securities by asset class:


    This service provides daily security master data for DTCC eligible securities with an expansive list of data elements and multiple asset slices. The master files are available on the last Saturday of the month and daily update files are published at 10:00PM ET.

    (MMI is available Intraday: Every 30 minutes, starting at 8:00 AM EST through 4:00 PM EST and a final file at 7:30 PM EST)

    Subscribers can choose from the following asset classes:

    • Asset and Mortgage Backed
    • Corporate Bond and Trusts
    • Equity
    • Government
    • Money Market Instruments (CP, VRDO, MTs, etc.)
    • Municipals

  • How It Works

    DTCC's Security Master Database is updated on a daily basis. As new securities are brought to market, DTCC's underwriting process ensures that complete and accurate information is captured and vetted before the issue is deemed DTCC eligible.

  • Delivery

    • Intra-day MMI: Over the Internet via SFTP
    • All Others: Direct Connection
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DTCC Money Market Kinetics

Security Master File Data Factsheet

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Additional Resources

  • News

    See the latest news updates about DTCC's Data Service.

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  • Support

    Contact our support experts for questions regarding Security Master File Data.

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  • FPO

    Request Sample Data

    Request Security Master File Sample Data

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DTCC Learning

Helping Clients Optimize DTCC Services Every Day

DTCC Learning offers comprehensive, fast-track training for DTCC customers of financial services organizations who are looking to expand their expertise and abilities in using the post-trade processing products and services provided by DTCC’s subsidiaries.