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Security Master File Data

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.

DTCC’s Security Master File Data provides up-to-date, comprehensive, and reliable information on the entire population of securities eligible for servicing at DTCC subsidiaries: Depository Trust Company (DTC) or National Securities Clearing Corporation (NSCC). DTCC’s Security Master File Data can enrich your own securities master data, helping you settle trades on time and meet critical data quality requirements throughout the life cycle of a security.

DTCC’s Security Master File Data contains the data DTCC utilizes provide custody and service assets, clear trades, and settle obligations.through its subsidiaries As new securities are brought to market, underwriters, agents, issuers and exchanges send detailed information on the securities to DTC. Once DTC Underwriting performs due diligence and verifies an issue’s eligibility for DTC or NSCC servicing, that security data is added to the Security Master Database.

The interactive HTML5 user guide provides details about each file, along with sample data downloads:

  • The Standard End of Day File consists of a series of multiple message types that cover eligibility, formal or legal issue descriptions, and agent information. The file delivery consists of end-of-day activity (or master files), segemented by DTC product types (Equities, Corporate Fixed Income, Municipals, Goverment Securities, Mortgage/Asset Backed & Collateralized Mortgage Obligations, and Money Market Instruments. The service addresses customer needs by centralizing and standardizing security information and by providing the data directly into customer systems.You can download sample data and a PDF version of the content.
  • The MMI Intraday Securities File is a premium file with enhanced data elements. It is available every 30 minutes, enabling greater STP and increased back-office efficiency, ensuring accurate the timely information and facilitating trading and settlement, particularly for short-term MMIs with one- and two-day maturities. Use the service to enrich your own securities master data, helping you settle trades on time and meet critical data quality requirements throughout a security's lifecycle. You can download sample data and a PDF version of the content.
  • The Corporate Fixed Income Premium Intraday File helps reduce friction that exists in the front and back office when trading begins on newly issued corporate bonds by increasing the time to market of critical security reference data. It provides up-to-date, comprehensive, and reliable information on the entire population of corporate fixed income securities eligible for servicing at DTCC subsidiary, Depository Trust Company (DTC), that has been traded and enteredc to the National Securities Clearing Cooperation (NSCC) for clearing and settlement. You can download sample data and a PDF version of the content.
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Security Master File Data Service User Guide

This interactive and fully serachable user guide contains information and specifications for the Standard End of Day, MMI Intraday, and Corporate Fixed Income Premium Intraday files.
Modified September 30, 2024

Security Master File Data: Corporate Fixed Income Premium Intraday File - Sample Data

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Security Master File Data Service: Standard End of Day Master File - Sample Data

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Security Master File Data: MMI Intraday File - Sample Data

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