Obligation Warehouse

Welcome to the Obligation Warehouse section of the Learning Center! Obligation Warehouse provides an automated service for matching obligations submitted by members for U.S. securities classified as equities, corporates, or unit investment trusts (UITs). In addition, Obligation Warehouse receives matched trades through Consolidated Trade Summary (CTS). Locate the content that you need by using Search to filter or access Resources to navigate to all of the Obligation Warehouse content.

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The Obligation Warehouse service is a product of the National Securities Clearing Corporation (NSCC). The Obligation Warehouse service creates a common repository for trade capture and clearing transactions from the marketplaces, including the listed exchanges and alternative trading platforms collectively. It consolidates those transactions to reduce the burden of trade-for-trade settlement for each transaction. Additionally, NSCC provides a guarantee for specific transactions that are netted through balance orders or the CNS accounting service and settled either at NSCC, DTC, or another depository.

Benefits

The Obligation Warehouse service provides the following industry benefits:

  • Central repository of open broker-to-broker obligations.
  • Automate real-time matching / confirmations of ex-clearing, non-CNS obligations.
  • Ability to manage and resolve exceptions, don't knows (DKs), in a more timely manner.
  • Servicing of open obligations. Adjusting for corporate actions and scanning for CNS® eligibility daily.
  • Risk mitigation and net capital relief through mark to market of open obligations.

Obligation Warehouse provides an automated service for the matching of open obligations in the same securities currently supported by RECAPS. The centralized service supports bilateral matching of fails and other ex-clearing obligations in real-time and communicates a successful match to both parties of the obligation. The database stores non-CNS matched open obligations from trade date through actual settlement date. RECAPS does not store open obligations after they are matched, netted, and re-priced.

Obligation Warehouse checks for CNS® eligibility, daily, and net, re-price, and re-date non-CNS eligible securities on more frequent basis than the current RECAPS. Obligation Warehouse also adjusts matched fails for mandatory corporate actions. In addition to securities covered under the current RECAPS system (equities, municipal bonds, corporate bonds, and UITs), the Obligation Warehouse tool includes receive and deliver instructions issued by the Automated Customer Account Transfer Service (ACATS).

Obligation Warehouse Overview

Log in, if necessary, to view the Obligation Warehouse Overview video intended for NSCC Members and Obligation Warehouse users. View this overview video to learn:

  • How the Obligation Warehouse service works.
  • Benefits of using the tool.
  • Best approaches to manage your interactions and advisories.

View the 20 minute Obligation Warehouse Overview video. 

Obligation Warehouse Web

The Obligation Warehouse Web service is a secure, browser-based, and efficient tool that you can use for obligation entry and reporting. The commands and data are validated in real-time, input errors are reported immediately and invalid data elements are returned directly on the entry screen. Delays associated with batch processing and manual comparison should be significantly reduced.

Each obligation submitted, along with the subsequent related events, are sent to the Contra to provide both parties with the most updated status. Every obligation is accessible for viewing, regardless of status. Aged obligations are recognizable quickly to assist operational areas in the confirmation and resolution processes. To learn more, access the Obligation Warehouse User Help available in the Obligation Warehouse Users. 

 

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CNS Issues and Defect Log

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CMU RTTM Issues and Defects Log

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CMU RTTM Release

View the CMU RTTM resources that provide insight into the NSCC’s transformation efforts and commitment to support market structure evolution.
Modified September 24, 2026

ETF Release

Explore the ETF resources that provide insight into the NSCC’s transformation efforts and commitment to support market structure evolution.
Modified September 23, 2026

Upcoming Release: ETF Portfolio Composition Input (Legacy DATATRAK 11301/41301)

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Upcoming Release: ETF CSV Input and Output Files Help

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DTCC Transformation Insights: Equities Clearing Readiness Check-in

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DTCC Transformation Insight Series: Equities Clearing Readiness Check-in

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DTCC Transformation Insight Series: Equities Clearing Readiness Check-in

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DTCC Transformation Insight Series: Equities Clearing Readiness Check-in

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DTCC Transformation Insight Series: Equities Clearing Readiness Check-in

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DTCC Transformation Insight Series: Equities Clearing Readiness Check-in

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DTCC Transformation Insight Series: Equities Clearing Readiness Check-in

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CNS Release

View the CNS resources that provide insight into the NSCC’s transformation efforts and commitment to support market structure evolution.
Modified September 14, 2026

ETF Product Information Form (PIF)

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NSCC ETF Create/Redeem Threshold Alert & Pended Order Process (Client Quick Reference)

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Securities Data Experiences (SDX)

Access the new Securities Data Experiences system within the MyDTCC portal. The Securities Data Experiences system aggregates and amalgamates data across DTCC’s equities systems into a single self-service data hub. 
August 24, 2026

DTCC Transformation Integration: Clearing Defect Log & Testing Office Hours

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DTCC Transformation Integration: Clearing Defect Log & Testing Office Hours

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ACATS Release

Learn about the ACATS client interface enhancements designed to modernize the way firms communicate with the ACATS system. Processing 529 account transfers through the ACATS Fund/SERV® service is also included in the release.  
August 13, 2026

ACATS Transfer Input JSON Format (Legacy TI)

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Clearing & Settlement Transformation: Client Test Plan

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Clearing & Settlement Transformation: Client Test Plan

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Clearing & Settlement Transformation: Client Test Plan

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