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Concept

In the intricate ecosystem of modern financial markets, the term “executable quote” carries significant weight, yet its precise meaning shifts depending on the operational context. For the purposes of the Consolidated Audit Trail (CAT), the definition transcends the traditional understanding of a simple firm bid or offer. It is defined not by abstract legal theory but by a pragmatic, systemic reality ▴ a quote becomes a reportable event for CAT at the moment it is communicated and captured within an electronic system, thereby creating a data object that can be tracked throughout its lifecycle. The system’s ability to record the event is the determining factor.

A price indication that is firm, actionable, and electronically transmitted to a venue or another participant initiates a reportable sequence. This sequence ▴ from origination and display to modification, cancellation, or execution ▴ forms a critical part of the market’s auditable memory, which is the core objective of the CAT NMS Plan.

The regulatory framework established by SEC Rule 613 does not view a quote as a static price point but as a dynamic event within a larger data continuum. Every electronically communicated quote that has the potential to become a trade is a piece of a much larger puzzle that regulators must be able to solve. Therefore, a quote’s reportability is a function of its technological embodiment. If it is transmitted via standard electronic messaging, integrated into an Order Management System (OMS) or Execution Management System (EMS), or sent to a national securities exchange, it leaves a digital footprint.

That footprint is what CAT is designed to capture. The system mandates the reporting of detailed information for each quote in an NMS security, including its origination, any subsequent modifications, its routing path, and its ultimate fate ▴ be it cancellation or execution. This comprehensive tracking allows regulators to reconstruct market events with high fidelity, ensuring transparency and oversight.

For CAT reporting, a quote is defined less by its commercial intent and more by its systemic footprint; if it is electronically communicated and capturable, it is reportable.

This perspective demands a shift in thinking for market participants. The focus moves from the trader’s intent to the firm’s data capture capabilities. A casual price check over a voice line, historically outside the purview of systematic reporting, becomes a complex compliance question if it is logged or formalized through an electronic follow-up. The CAT NMS Plan, particularly through its technical specifications, draws a bright line.

It specifies that responses to Requests for Quote (RFQs) transmitted through electronic systems integrated with an OMS/EMS are reportable events. This clarifies that the method of communication and the integration with a firm’s core trading systems are paramount. The result is a data-centric definition where the quote itself is inseparable from the technological infrastructure that creates, communicates, and records it. Understanding this systemic definition is the foundational step for any firm seeking to build a robust and compliant CAT reporting framework.


Strategy

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The Reportable Event Horizon

Developing a robust CAT reporting strategy begins with establishing a clear “reportable event horizon” for all quoting activities. This horizon is the boundary that separates informal price discovery from formal, electronically captured, and therefore reportable, quotations. The technical specifications for CAT provide the map to draw this boundary.

A firm’s strategy must be built around the principle that any electronic dissemination of a bid or offer, whether to a public exchange or a specific counterparty through an integrated system, triggers a reporting obligation. The core challenge lies in ensuring that every system and workflow that can generate such a quote is configured to capture and relay the necessary data to the firm’s CAT reporting agent.

The strategic implementation involves a comprehensive inventory of all communication channels. This includes not only direct connections to exchanges and Alternative Trading Systems (ATSs) but also inter-dealer quotation systems and RFQ platforms. For example, a quote sent to an OTC equity quotation system like OTC Link is explicitly defined as a reportable event. Consequently, the firm’s systems must be able to distinguish these communications from internal messages and capture them with the required granularity.

This process often reveals gaps in legacy workflows, particularly where manual or semi-automated processes are used. A successful strategy addresses these gaps by either upgrading the technology or redesigning the workflow to ensure all potential quotes are funneled through a CAT-compliant channel.

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Delineating Reportable Quotations

To translate the regulatory mandate into an operational framework, firms must create a clear typology of their quoting activities, classifying each based on its CAT reporting status. This classification serves as the foundation for system design and compliance procedures. The table below provides a strategic overview of different quote types and their corresponding reportability under the CAT NMS Plan.

Table 1 ▴ Classification of Quoting Activities for CAT Reporting
Quotation Type Communication Method System Integration CAT Reportable Status Strategic Consideration
Exchange-Traded NMS Stock Quote Direct electronic message to an exchange (e.g. NYSE, NASDAQ) Fully integrated with OMS/EMS Yes Ensure capture of all lifecycle events (new, modify, cancel) with precise timestamps.
OTC Equity Quote Sent to an inter-dealer quotation system (e.g. OTC Link) Integrated with firm’s trading system Yes Systems must be configured to identify and report quotes sent to these specific venues.
Response to Electronic RFQ Standard electronic messaging (e.g. FIX) Integrated with OMS/EMS Yes The two-way communication (solicitation and response) must be linked and reported.
Verbal Quote (Historical) Voice communication (e.g. phone call) None or manual entry post-conversation Historically Exempt (subject to change) Monitor regulatory updates closely. Develop a framework for capturing these if the exemption is lifted.
Internal Price Indication Internal messaging system (e.g. chat) Not integrated with OMS for external routing No Establish clear policies to prevent informal internal pricing from being communicated externally without proper capture.
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Lifecycle Management and Data Integrity

A critical component of a CAT reporting strategy is the management of the entire lifecycle of a quote. The reporting obligation does not end with the initial transmission of the quote (a MENQ – New Quote event). Any subsequent modification ( MEMQ – Modify Quote) or cancellation ( MECQ – Cancel Quote) is also a distinct reportable event.

This requires a system architecture capable of maintaining state and linking all related events to the original quote. The unique identifier assigned to the initial quote, the quoteID, must be used consistently across all subsequent lifecycle events to allow regulators to reconstruct the sequence accurately.

Effective CAT strategy hinges on lifecycle management, ensuring every modification and cancellation of a quote is as diligently reported as its origination.

Furthermore, data integrity is paramount. The FINRA CAT rules place a strong emphasis on the accuracy, completeness, and timeliness of all reported data. This necessitates robust internal controls and reconciliation processes. A common strategic failure is to treat CAT reporting as a post-process data dump.

A superior approach integrates reporting logic directly into the trading workflow. For instance, a quote modification request should trigger a MEMQ report automatically and contemporaneously. This requires tight synchronization between the firm’s business clocks and the CAT-specified timestamping requirements, ensuring that the reported times are accurate to the millisecond. Firms must conduct regular reviews of their CAT submissions against their internal order and trade records to identify and correct any discrepancies, treating data quality as a core operational objective.


Execution

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Operational Playbook for Quote Reporting

Executing a compliant CAT quoting process requires a detailed, action-oriented playbook that translates strategic goals into concrete operational steps. This playbook must be embedded within the firm’s daily procedures and understood by traders, compliance officers, and technology teams alike. It is the bridge between regulatory theory and practical implementation.

  1. System Identification and Calibration
    • Conduct a firm-wide audit of all systems capable of generating or communicating a quote, including OMS, EMS, proprietary trading applications, and any third-party platforms.
    • For each system, confirm its capability to generate CAT-compliant data records for all quote lifecycle events. This includes capturing all required data fields as specified in the CAT Technical Specifications.
    • Calibrate and synchronize all business clocks used by these systems to the National Institute of Standards and Technology (NIST) standard, ensuring timestamp accuracy to the required granularity.
  2. Workflow Integration and Data Capture
    • Map all trading workflows that involve quoting. For each workflow, identify the precise point at which a price indication becomes a CAT-reportable event.
    • Implement automated data capture mechanisms at these trigger points. Manual reporting processes should be eliminated wherever possible to reduce the risk of error and delay.
    • Ensure that for every new quote ( MENQ ), a unique quoteID is generated and stored, and that this quoteID is persistently associated with all subsequent MEMQ (modify) and MECQ (cancel) events.
  3. Reporting, Reconciliation, and Error Correction
    • Establish a clear process for transmitting captured quote data to the CAT Central Repository, whether directly or through a designated CAT Reporting Agent.
    • Implement a daily reconciliation process. This involves comparing the data accepted by the CAT Reporter Portal against the firm’s own source records (e.g. OMS logs, execution reports).
    • Develop a dedicated error correction workflow. When the CAT portal flags submissions for errors, a designated team must investigate, correct the source data or reporting logic, and resubmit the corrected records promptly.
  4. Ongoing Supervision and Training
    • Assign specific supervisory responsibility for CAT reporting accuracy to a named individual or committee.
    • Conduct regular training for all relevant personnel on the firm’s CAT reporting policies and procedures, with a particular focus on what constitutes a reportable quote.
    • Document all aspects of the CAT reporting process, including system configurations, workflow diagrams, and supervisory procedures, to provide a clear audit trail for regulators.
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Quantitative Modeling of a Quote Event

To fully grasp the execution requirements, it is essential to model the data that constitutes a reportable quote event. The following table details the key data fields required for a MENQ (New Quote) event for an OTC Equity Security, providing a concrete example of the information that must be captured and reported.

Table 2 ▴ Data Fields for a MENQ (New Quote) Event
Field Name Example Value Description Systemic Importance
eventTimestamp 2025-08-13T14:30:00.123456789 The precise date and time the quote was generated. Crucial for accurate event sequencing and market reconstruction. Must be synchronized.
quoteID A7B8C9D0E1F2-20250813-1 A unique identifier assigned by the firm to the quote. The primary key for linking all subsequent lifecycle events (modifications, cancellations) to this initial quote.
firmDesignatedID TRDR_XYZ_Q123 The internal identifier for the Industry Member reporting the event. Identifies the source of the quote within the CAT system.
symbol ACME CORP The identifier for the OTC Equity Security being quoted. Links the quote to a specific financial instrument.
price 25.50 The bid or offer price of the quote. The core data point of the quotation.
size 1000 The number of shares the quote is good for. Indicates the depth of liquidity being offered.
side BID Indicates whether the quote is a bid or an offer. Defines the direction of the trading interest.
venue OTCM The identifier for the quotation venue to which the quote was sent (e.g. OTC Markets). Specifies the destination of the quote, critical for understanding market structure.
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System Integration and Technological Architecture

The effective execution of CAT quote reporting is fundamentally a challenge of system integration and technological architecture. A firm’s trading and compliance infrastructure must operate as a cohesive unit to ensure data flows seamlessly from the point of origin to the CAT Central Repository. At the heart of this architecture is the firm’s Order Management System (OMS), which typically serves as the central hub for all trading activity.

The integrity of CAT reporting is a direct reflection of the quality of a firm’s technological architecture and system integration.

The process begins at a trader’s terminal or an algorithmic trading engine. When a decision is made to send a quote to an external venue, the action is initiated within the EMS or a proprietary application. This application must be designed to immediately log the quote’s details and assign a unique quoteID. This information is then passed to the OMS.

The OMS enriches the data, adding firm-level identifiers and ensuring the data is formatted correctly. It then communicates with a FIX engine or another protocol-based gateway to transmit the quote to the intended venue. Simultaneously, the OMS must write a complete record of the event to a dedicated internal data warehouse. This warehouse becomes the firm’s “golden source” of truth for CAT reporting.

A separate reporting module, or a service provided by a CAT Reporting Agent, then queries this warehouse, formats the data according to the latest CAT Technical Specifications, and securely transmits it to FINRA CAT. This entire process, from quote generation to reporting, must occur with minimal latency and maximum accuracy, demanding a high degree of automation and robust, fault-tolerant systems.

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References

  • “CAT Reporting Technical Specifications for Industry Members.” CAT NMS Plan, 25 Mar. 2022.
  • “CAT Reporting Technical Specifications for Industry Members.” CAT NMS Plan, 24 Jul. 2024.
  • “Industry Member Technical Specifications.” SIFMA, Firm’s Guide to the Consolidated Audit Trail, 2020.
  • “Consolidated Audit Trail (CAT).” Financial Industry Regulatory Authority (FINRA), 2022.
  • “Rule 613 (Consolidated Audit Trail).” U.S. Securities and Exchange Commission, 11 Oct. 2017.
  • “FINRA Rule 6800 Series (Consolidated Audit Trail Compliance Rule).” Financial Industry Regulatory Authority (FINRA).
  • O’Hara, Maureen. Market Microstructure Theory. Blackwell Publishers, 1995.
  • Harris, Larry. Trading and Exchanges ▴ Market Microstructure for Practitioners. Oxford University Press, 2003.
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Reflection

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Beyond Compliance a Systemic View

Mastering the definition of an executable quote for CAT reporting purposes moves a firm beyond a simple compliance exercise. It necessitates a profound understanding of the firm’s own operational and technological nervous system. The process of achieving full compliance forces an institution to map its internal data flows, identify its systemic strengths and weaknesses, and ultimately, build a more robust and transparent operational framework. The granular data captured for CAT is a mirror reflecting the firm’s execution quality, its technological efficiency, and its overall market discipline.

Viewing this regulatory requirement not as a burden but as a catalyst for internal improvement allows a firm to transform a compliance mandate into a strategic advantage. The ultimate goal is an architecture where data integrity is so deeply embedded that regulatory reporting becomes a natural byproduct of superior operational design.

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Glossary

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Consolidated Audit Trail

Meaning ▴ The Consolidated Audit Trail (CAT) is a comprehensive, centralized database designed to capture and track every order, quote, and trade across US equity and options markets.
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Reportable Event

Meaning ▴ A Reportable Event constitutes a pre-defined, material occurrence within a digital asset derivatives trading system or associated financial protocol that mandates immediate internal or external disclosure, system-level logging, or automated control invocation.
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Cat Nms Plan

Meaning ▴ The Consolidated Audit Trail National Market System Plan, or CAT NMS Plan, establishes a centralized repository for granular order and trade data across U.S.
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Execution Management System

Meaning ▴ An Execution Management System (EMS) is a specialized software application engineered to facilitate and optimize the electronic execution of financial trades across diverse venues and asset classes.
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Order Management System

Meaning ▴ A robust Order Management System is a specialized software application engineered to oversee the complete lifecycle of financial orders, from their initial generation and routing to execution and post-trade allocation.
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Nms Security

Meaning ▴ An NMS Security, within the conceptual framework of institutional digital asset derivatives, designates a financial instrument designed to operate under or adhere to the rigorous market structure principles typically found in a National Market System.
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Technical Specifications

The FIX protocol differentiates RFQs via the Side(54) tag; its presence defines a one-sided request, its absence implies a two-sided one.
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Nms Plan

Meaning ▴ The NMS Plan, within the context of institutional digital asset derivatives, defines a conceptual framework for structuring market operations to ensure transparency, fairness, and efficient price discovery across distributed ledger technology-based trading venues.
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Cat Reporting

Meaning ▴ CAT Reporting, or Consolidated Audit Trail Reporting, mandates the comprehensive capture and reporting of all order and trade events across US equity and and options markets.
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Cat Reporting Agent

Meaning ▴ A CAT Reporting Agent is a specialized software component or system responsible for capturing, formatting, and transmitting order and trade event data to the Consolidated Audit Trail (CAT) repository, as mandated by the Securities and Exchange Commission (SEC) Rule 613. This entity acts as a crucial interface, ensuring all reportable events from market participants, primarily broker-dealers, are accurately and promptly delivered to the central industry database for regulatory surveillance.
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Cat Nms

Meaning ▴ The Consolidated Audit Trail (CAT) National Market System (NMS) Plan establishes a centralized, comprehensive database designed to track the lifecycle of orders and trades in U.S.
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Quote Event

Misclassifying a termination event for a default risks catastrophic value leakage through incorrect close-outs and legal liability.
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Lifecycle Events

Digital asset lifecycles embed event logic into the asset itself, enabling automated execution on a unified ledger.
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Data Integrity

Meaning ▴ Data Integrity ensures the accuracy, consistency, and reliability of data throughout its lifecycle.
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Quote Lifecycle

Meaning ▴ The Quote Lifecycle defines the complete sequence of states and transitions a price quotation undergoes from its initial generation to its ultimate resolution within an electronic trading system.
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Audit Trail

An RFQ audit trail records a private negotiation's lifecycle; an exchange trail logs an order's public, anonymous journey.
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System Integration

A hybrid system integration re-architects an institution's stack for strategic agility, balancing security with scalable innovation.
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Executable Quote

Meaning ▴ An executable quote represents a firm, actionable price for a specified quantity of a digital asset derivative.