This glossary defines specialized terms used across Financial Services data products, including identifiers, market feeds, regulatory reporting, benchmarks, reference data, disclosures, and data governance. It helps executives and practitioners navigate the standards, systems, and operating language central to the Financial Data Services Practice.
A B C D E F G I L M N O P R S T U W X
| A | |
| ACTUS | Algorithmic Contract Types Unified Standards: An open standard that represents financial contracts through consistent terms and cash-flow algorithms, supporting comparable analytics, risk calculations, and machine-readable contract data. |
| AII | Alternative Instrument Identifier: A legacy European identifier for certain derivatives that lacked an International Securities Identification Number. It remains relevant when interpreting historical reference and transaction-reporting datasets. |
| ANNA | Association of National Numbering Agencies: The global association of agencies responsible for issuing and maintaining standardized financial-instrument identifiers, including International Securities Identification Numbers. |
| APA | Approved Publication Arrangement: An authorized European or UK service that publishes post-trade transparency reports on behalf of investment firms, creating regulated sources of trade data. |
| API | Application Programming Interface: A defined interface through which customers and applications request, receive, and integrate financial data, analytics, metadata, or entitlements programmatically. |
| ARM | Approved Reporting Mechanism: An authorized service that submits transaction reports to regulators on behalf of investment firms and validates the required fields before transmission. |
| B | |
| BBO | Best Bid and Offer: The highest displayed buying price and lowest displayed selling price for an instrument within a specified market or data source. |
| BCBS 239 | Basel Committee on Banking Supervision 239: The supervisory principles for effective risk-data aggregation and risk reporting. They influence data lineage, governance, accuracy, completeness, timeliness, and architecture requirements at banks. |
| BEA | Bureau of Economic Analysis: The US government agency that publishes national accounts, gross domestic product, industry, trade, and regional economic datasets used in financial analysis. |
| BIC | Business Identifier Code: An ISO 9362 code that identifies financial and non-financial institutions in transaction messages, entity-reference datasets, and counterparty records. |
| BICS | Bloomberg Industry Classification Standard: A proprietary hierarchy used to classify companies and securities by sector, industry, and sub-industry for screening, aggregation, and comparative analysis. |
| BIS | Bank for International Settlements: An international organization that publishes banking, credit, derivatives, payments, liquidity, and macro-financial statistics widely used in research and risk analysis. |
| BLS | Bureau of Labor Statistics: The US government agency responsible for major employment, wage, productivity, and price datasets used in economic models and financial markets. |
| BMR | Benchmarks Regulation: The European Union framework governing benchmark administrators, contributors, methodologies, controls, and benchmark use, with significant implications for index and reference-rate data providers. |
| BVAL | Bloomberg Valuation Service: A proprietary evaluated-pricing service that produces valuations for fixed-income and other instruments, including securities with limited observable trading activity. |
| C | |
| CA | Corporate Action: An issuer-initiated event such as a dividend, split, merger, tender offer, or redemption that requires timely, normalized data to update security and position records. |
| CAT | Consolidated Audit Trail: A US regulatory system that captures detailed order and trade events across eligible securities, enabling regulators to reconstruct market activity and monitor misconduct. |
| CDC | Change Data Capture: A method for identifying and distributing database changes incrementally, allowing financial-data platforms to update records without repeatedly reloading complete datasets. |
| CDM | Common Domain Model: A FINOS model that standardizes the representation of financial products, trades, lifecycle events, and processes to improve interoperability and automation. |
| CFI | Classification of Financial Instruments: The ISO 10962 code that classifies an instrument by category and attributes, supporting consistent security mastering, reporting, and cross-vendor comparison. |
| CFTC | Commodity Futures Trading Commission: The US regulator for derivatives markets and a major source of swap, futures, positioning, enforcement, and regulatory-reporting data. |
| CGS | CUSIP Global Services: The organization that administers the CUSIP identification system and distributes associated security-reference information under license. |
| CIK | Central Index Key: A unique identifier assigned by the US Securities and Exchange Commission to entities and individuals submitting filings through its disclosure system. |
| CINS | CUSIP International Numbering System: An extension of the CUSIP system used to identify securities issued outside the United States and Canada. |
| CQS | Consolidated Quotation System: A US market-data system that consolidates and disseminates quotations for securities covered by the Consolidated Tape Association plans. |
| CRA | Credit Rating Agency: An organization that assesses the creditworthiness of issuers or obligations and supplies ratings, research, and related reference data to market participants. |
| CRD | Central Registration Depository: The FINRA-operated system containing registration, qualification, employment, and disclosure information about US broker-dealers and associated individuals. |
| CRSP | Center for Research in Security Prices: A provider of research-grade historical securities databases widely used for investment analysis, benchmarking, and empirical finance. |
| CSRD | Corporate Sustainability Reporting Directive: The European Union directive requiring covered companies to publish standardized sustainability information, materially expanding demand for structured environmental, social, and governance data. |
| CTA | Consolidated Tape Association: The US securities-industry association that oversees plans governing consolidated trade and quotation data for exchange-listed securities. |
| CTP | Consolidated Tape Provider: A regulated provider that collects market reports from multiple venues and publishes a consolidated stream of trading or quotation information. |
| CTS | Consolidated Tape System: A US data system that consolidates and disseminates last-sale information for securities covered by the relevant national market-system plans. |
| CUSIP | Committee on Uniform Securities Identification Procedures: The name behind a widely used nine-character identifier for North American securities and their issuers, central to security mastering and data reconciliation. |
| D | |
| DaaS | Data as a Service: A delivery model in which curated datasets and related capabilities are accessed on demand, commonly through cloud platforms, feeds, or application programming interfaces. |
| DACS | Data Access Control System: A widely used market-data entitlement platform that controls which users and applications may access licensed real-time and reference content. |
| DCAM | Data Management Capability Assessment Model: An EDM Council framework for evaluating data strategy, governance, architecture, quality, operations, analytics, and control capabilities. |
| DQAF | Data Quality Assessment Framework: An International Monetary Fund framework for evaluating the integrity, methodological soundness, accuracy, serviceability, and accessibility of statistical data. |
| DQC | Data Quality Committee: An XBRL US committee that develops validation rules intended to improve the accuracy and comparability of structured financial-statement filings. |
| DQM | Data Quality Management: The controls, ownership, monitoring, and remediation processes used to keep financial datasets accurate, complete, timely, consistent, and fit for purpose. |
| DRSP | Data Reporting Services Provider: A regulated European or UK category covering services that publish trade data, submit transaction reports, or operate consolidated tapes. |
| DSB | Derivatives Service Bureau: The numbering agency responsible for identifiers and reference data for many over-the-counter derivatives, including Unique Product Identifiers. |
| D-U-N-S | Data Universal Numbering System: A proprietary nine-digit identifier for business entities that supports company matching, hierarchy analysis, supplier records, and entity-reference data. |
| E | |
| ECAI | External Credit Assessment Institution: A credit-rating organization recognized by a supervisory authority for specified regulatory uses, making its ratings and mappings relevant to capital calculations and reference data. |
| ECB | European Central Bank: The euro area’s central bank and a major publisher of interest-rate, monetary, banking, securities, payments, and macroeconomic data. |
| EDGAR | Electronic Data Gathering, Analysis, and Retrieval: The US Securities and Exchange Commission system through which companies and other registrants submit filings that feed fundamental and regulatory datasets. |
| EDINET | Electronic Disclosure for Investors’ NETwork: Japan’s electronic corporate-disclosure system, providing structured and document-based filings used in issuer and fundamental-data products. |
| EDM | Enterprise Data Management: The coordinated governance, architecture, sourcing, mastering, quality, and distribution of data across an organization. |
| ELT | Extract, Load, Transform: A data-integration pattern that loads source data before transforming it within the target platform, often supporting scalable cloud-based financial-data processing. |
| EMIR | European Market Infrastructure Regulation: The European Union framework governing derivatives clearing, risk mitigation, and trade-repository reporting, with extensive transaction-data and validation requirements. |
| EOD | End of Day: A data cut or valuation point established after a market’s trading session, commonly used for official prices, positions, files, and downstream processing. |
| ESEF | European Single Electronic Format: The European reporting format requiring annual financial reports in XHTML and specified financial statements to use Inline XBRL tagging. |
| ESG | Environmental, Social, and Governance: A broad category of corporate, sovereign, and instrument-level data used to assess sustainability characteristics, risks, impacts, and disclosures. |
| ESMA | European Securities and Markets Authority: The European Union securities regulator responsible for major reporting rules, registers, reference-data systems, transparency calculations, and supervisory guidance. |
| ESRS | European Sustainability Reporting Standards: The standards specifying sustainability disclosures under the Corporate Sustainability Reporting Directive, providing a common structure for reported metrics and narratives. |
| ETL | Extract, Transform, Load: A data-integration process that retrieves source information, standardizes or enriches it, and loads the resulting records into a target platform. |
| F | |
| FAIR | Findable, Accessible, Interoperable, and Reusable: Principles for improving data discovery, access, standardization, metadata, and reuse across systems and organizations. |
| FASB | Financial Accounting Standards Board: The independent standard setter responsible for generally accepted accounting principles used by US companies, shaping the content and comparability of fundamental data. |
| FAST | FIX Adapted for STreaming: A protocol designed to reduce the bandwidth required for high-volume, low-latency market-data distribution through compact message encoding. |
| FCA | Financial Conduct Authority: The UK conduct regulator overseeing financial markets, benchmark administration, data-reporting services, disclosure repositories, and aspects of market-data use. |
| FIBO | Financial Industry Business Ontology: A formal semantic model of financial concepts and relationships that supports common definitions, machine-readable metadata, and data interoperability. |
| FIGI | Financial Instrument Global Identifier: An open identification standard that assigns persistent codes to financial instruments and related trading contexts to support cross-system data matching. |
| FINOS | Fintech Open Source Foundation: An industry foundation that supports open-source software and standards for financial services, including models used in financial-data interoperability. |
| FINRA | Financial Industry Regulatory Authority: A US self-regulatory organization that operates registration, trade-reporting, market-transparency, and other datasets for broker-dealers and securities markets. |
| FIRDS | Financial Instruments Reference Data System: An ESMA system that consolidates instrument-reference data submitted by trading venues and systematic internalisers for regulatory and transparency purposes. |
| FISD | Financial Information Services Division: An industry association division focused on financial-information distribution, market-data licensing, standards, procurement, and operational practices. |
| FISN | Financial Instrument Short Name: An ISO 18774 standardized short description of a financial instrument designed for consistent display and reference across systems. |
| FITRS | Financial Instruments Transparency System: An ESMA system that publishes instrument-level transparency calculations used to determine thresholds, liquidity status, and reporting obligations. |
| FIX | Financial Information eXchange: A family of industry messaging standards used to exchange orders, trades, prices, reference information, and other electronic-market data. |
| FpML | Financial products Markup Language: An XML-based standard for representing over-the-counter derivatives, structured products, trade events, confirmations, and related business processes. |
| FRAND | Fair, Reasonable, and Non-Discriminatory: A principle applied to access and licensing terms for certain benchmarks, market data, standards, or regulated information services. |
| FRED | Federal Reserve Economic Data: A Federal Reserve Bank of St. Louis database aggregating economic and financial time series from US and international sources. |
| FSB | Financial Stability Board: An international body that coordinates financial-stability policy and publishes standards, monitoring reports, and datasets on global financial-system risks. |
| G | |
| GAAP | Generally Accepted Accounting Principles: The accounting rules and conventions governing financial statements in a jurisdiction, essential for normalizing and comparing company fundamentals. |
| GDPR | General Data Protection Regulation: The European Union data-protection framework governing the collection, processing, transfer, retention, and security of personal data in datasets and services. |
| GHG | Greenhouse Gas: Gases measured and reported in emissions inventories, climate disclosures, financed-emissions calculations, and environmental data products. |
| GICS | Global Industry Classification Standard: A proprietary hierarchy developed by MSCI and S&P Dow Jones Indices for classifying companies by sector, industry group, industry, and sub-industry. |
| GIIN | Global Intermediary Identification Number: An identifier assigned to financial institutions and certain entities registered for US Foreign Account Tax Compliance Act purposes. |
| GLEIF | Global Legal Entity Identifier Foundation: The organization that oversees the global Legal Entity Identifier system and provides open entity, relationship, and identifier-reference data. |
| GRI | Global Reporting Initiative: An independent organization whose sustainability-reporting standards structure corporate disclosures used in environmental, social, and governance datasets. |
| GVKEY | Global Company Key: A persistent proprietary identifier used in Compustat to link a company and its fundamental records across periods and datasets. |
| I | |
| IASB | International Accounting Standards Board: The independent body responsible for developing International Financial Reporting Standards, which underpin globally comparable company financial data. |
| IBA | ICE Benchmark Administration: A regulated administrator of major financial benchmarks, responsible for benchmark methodologies, governance, calculation, publication, and licensing. |
| I/B/E/S | Institutional Brokers’ Estimate System: A proprietary database of analyst earnings estimates, recommendations, actual results, and consensus measures used in investment research and quantitative analysis. |
| IBOR | Interbank Offered Rate: A general term for benchmark rates historically based on the rates at which banks could borrow unsecured funds from one another. |
| ICB | Industry Classification Benchmark: A proprietary company-classification hierarchy maintained by FTSE Russell and used in index construction, screening, and portfolio analysis. |
| IFRS | International Financial Reporting Standards: Global accounting standards that define financial-statement recognition, measurement, presentation, and disclosure, enabling more consistent fundamental-data comparison. |
| IMF | International Monetary Fund: An international institution that publishes macroeconomic, fiscal, monetary, trade, reserve, exchange-rate, and financial-sector statistics. |
| IOSCO | International Organization of Securities Commissions: The global association of securities regulators that develops principles affecting benchmarks, credit ratings, market transparency, data reporting, and financial-market conduct. |
| IPUG | Information Providers User Group: A membership organization representing institutional users of market and reference data in licensing, commercial, operational, and policy discussions. |
| ISDA | International Swaps and Derivatives Association: An industry association whose legal definitions, identifiers, taxonomies, and data standards support consistent derivatives processing and reporting. |
| ISIC | International Standard Industrial Classification of All Economic Activities: A United Nations classification framework used to organize entities and economic statistics by type of productive activity. |
| ISIN | International Securities Identification Number: The ISO 6166 twelve-character identifier used globally to identify securities and support reference-data matching, settlement, reporting, and distribution. |
| ISO | International Organization for Standardization: The international standards body responsible for many financial-data conventions, including instrument, entity, venue, currency, and messaging standards. |
| ISSB | International Sustainability Standards Board: The IFRS Foundation body that develops global standards for investor-focused sustainability and climate-related financial disclosures. |
| iXBRL | Inline eXtensible Business Reporting Language: A format that embeds machine-readable tags within a human-readable XHTML filing, allowing the same document to serve readers and automated data extraction. |
| L | |
| L1 | Level 1 Market Data: Top-of-book information typically containing the best bid, best offer, associated sizes, and last-trade information for an instrument. |
| L2 | Level 2 Market Data: Market-depth information showing multiple price levels or individual orders beyond the best bid and offer. |
| LEI | Legal Entity Identifier: A twenty-character ISO 17442 identifier that uniquely identifies legal entities participating in financial transactions and links them to authoritative reference information. |
| LIBOR | London Interbank Offered Rate: A largely discontinued family of unsecured bank-funding benchmarks that remains important in historical datasets, legacy contracts, and benchmark-transition analysis. |
| M | |
| MBO | Market by Order: A full-depth market-data view that distributes individual visible orders, enabling detailed order-book reconstruction and queue analysis. |
| MBP | Market by Price: An order-book view that aggregates available quantity at each price level rather than distributing every underlying order. |
| MDDL | Market Data Definition Language: An XML-based vocabulary developed to represent market, reference, and corporate-action data consistently across firms and vendors. |
| MDM | Master Data Management: The governance and technology used to create authoritative, consistent records for entities, instruments, issuers, venues, classifications, and other shared domains. |
| MIC | Market Identifier Code: The ISO 10383 code used to identify exchanges, trading platforms, and market segments in reference data and transaction records. |
| MiFID II | Markets in Financial Instruments Directive II: The European Union directive governing investment services and market structure, including extensive transparency, transaction-reporting, and data-service requirements. |
| MiFIR | Markets in Financial Instruments Regulation: The directly applicable European Union regulation covering market transparency, transaction reporting, instrument-reference data, and regulated data-reporting services. |
| MNPI | Material Nonpublic Information: Information that could affect an investment decision or security price and has not been publicly disseminated. Controls against acquiring or distributing it are critical in alternative-data sourcing. |
| N | |
| NACE | Nomenclature statistique des activités économiques dans la Communauté européenne: The European Union classification system for economic activities, used in company data, regulatory reporting, statistics, and sector analysis. |
| NAICS | North American Industry Classification System: The standard framework used by Canada, Mexico, and the United States to classify business establishments by economic activity. |
| NBBO | National Best Bid and Offer: The highest displayed bid and lowest displayed offer available across protected US equity market centers at a given time. |
| NGFS | Network for Greening the Financial System: A network of central banks and supervisors that publishes climate scenarios, analytical guidance, and supporting data used in financial risk assessment. |
| NMS | National Market System: The US regulatory framework linking securities exchanges and other market centers, including rules for consolidated quotation and transaction data. |
| NNA | National Numbering Agency: An organization designated to issue and maintain standardized securities identifiers within a country or jurisdiction. |
| NRSRO | Nationally Recognized Statistical Rating Organization: A credit-rating agency registered with the US Securities and Exchange Commission and subject to specified oversight and disclosure requirements. |
| NSIN | National Securities Identifying Number: The jurisdiction-specific component of an International Securities Identification Number, assigned under the relevant national numbering convention. |
| NSM | National Storage Mechanism: The UK Financial Conduct Authority repository for regulated company information, including announcements, disclosures, and financial reports. |
| O | |
| OECD | Organisation for Economic Co-operation and Development: An international organization that publishes comparable economic, tax, trade, productivity, industry, governance, and sustainability datasets. |
| OFR | Office of Financial Research: A US Treasury office that develops financial-stability research, data standards, reference datasets, and analytical tools for monitoring systemic risk. |
| OHLCV | Open, High, Low, Close, and Volume: The standard fields in a market-data bar summarizing an instrument’s prices and trading volume over a defined interval. |
| ONS | Office for National Statistics: The United Kingdom’s national statistical authority and a primary source of economic, labor, price, demographic, and trade data. |
| OPRA | Options Price Reporting Authority: The US securities-information processor that consolidates and distributes listed-options quotations and last-sale reports from participant exchanges. |
| OTC | Over the Counter: Trading conducted bilaterally or through dealer networks rather than on a centralized exchange, often requiring specialized pricing, reference, and transaction data. |
| P | |
| PAI | Principal Adverse Impacts: Sustainability factors used under European disclosure rules to report significant negative effects of investment decisions on environmental and social matters. |
| PCAF | Partnership for Carbon Accounting Financials: An industry initiative whose measurement standard supports consistent calculation and disclosure of greenhouse-gas emissions associated with loans and investments. |
| PII | Personally Identifiable Information: Data that identifies or can reasonably be linked to an individual, requiring appropriate sourcing, access, privacy, retention, and security controls. |
| PIT | Point in Time: Data preserved as it was known on a specified date, preventing later restatements or newly available information from introducing look-ahead bias. |
| R | |
| RDM | Reference Data Management: The sourcing, validation, mastering, and distribution of relatively stable information about instruments, entities, venues, currencies, classifications, and contractual terms. |
| RFR | Risk-Free Rate: A benchmark rate intended to reflect low-risk overnight wholesale funding markets and widely used as an alternative to discontinued interbank offered rates. |
| RIC | Reuters Instrument Code: A proprietary symbology used in LSEG data services to identify instruments, quotations, chains, and other market-data records. |
| RNS | Regulatory News Service: The London Stock Exchange service that distributes regulated company announcements and disclosures used in news, event, and issuer-data products. |
| RTS | Regulatory Technical Standards: Detailed rules that specify how European financial legislation must be implemented, including data fields, formats, calculations, validation, and reporting procedures. |
| S | |
| SASB | Sustainability Accounting Standards Board: The name associated with industry-specific standards for financially material sustainability disclosures, now maintained by the IFRS Foundation. |
| SBE | Simple Binary Encoding: A FIX standard for compact, low-latency encoding of financial messages, particularly high-volume market-data and trading communications. |
| SCD | Slowly Changing Dimension: A data-warehouse design approach for preserving changes to reference attributes, such as company classifications, names, or issuer relationships, over time. |
| SDMX | Statistical Data and Metadata eXchange: An international standard for structuring, exchanging, and documenting statistical data used by central banks, governments, and multilateral institutions. |
| SEC | Securities and Exchange Commission: The US securities regulator and a major source of corporate filings, investment-company reports, market data, enforcement information, and registrant records. |
| SEDAR+ | System for Electronic Document Analysis and Retrieval: Canada’s electronic filing and disclosure platform for public companies, investment funds, and other regulated market participants. |
| SEDOL | Stock Exchange Daily Official List: A seven-character identifier assigned to securities and used extensively in UK and international security-reference data. |
| SFDR | Sustainable Finance Disclosure Regulation: The European Union regulation requiring financial-market participants and advisers to disclose sustainability risks, product characteristics, and specified adverse-impact indicators. |
| SFTR | Securities Financing Transactions Regulation: The European Union regulation requiring detailed reporting of repurchase agreements, securities lending, margin lending, and related collateral data. |
| SIC | Standard Industrial Classification: A system for categorizing establishments and companies by business activity, still used in regulatory filings and many historical and commercial datasets. |
| SIIA | Software & Information Industry Association: A trade association whose financial-information division addresses market-data standards, licensing, procurement, technology, and policy issues. |
| SIP | Securities Information Processor: A regulated utility that consolidates quotations and trades from US equity or options exchanges and distributes standardized market-wide feeds. |
| SLA | Service-Level Agreement: A contractual commitment defining delivery measures such as availability, latency, timeliness, support response, recovery, and data-quality performance. |
| SOFR | Secured Overnight Financing Rate: A US dollar benchmark based on overnight Treasury repurchase transactions and widely used in loans, derivatives, securities, and valuation datasets. |
| SONIA | Sterling Overnight Index Average: The Bank of England-administered sterling benchmark based on eligible overnight unsecured transactions in the wholesale market. |
| SRO | Self-Regulatory Organization: A non-governmental industry body with delegated authority to establish and enforce rules, often operating important registration, reporting, and transparency datasets. |
| T | |
| TAQ | Trades and Quotes: A family of historical US equity market datasets containing transaction and quotation records used in market-structure research and execution analysis. |
| TCFD | Task Force on Climate-related Financial Disclosures: The initiative that established a widely adopted framework for reporting climate governance, strategy, risk management, metrics, and targets. |
| TNFD | Taskforce on Nature-related Financial Disclosures: A disclosure framework for identifying and reporting dependencies, impacts, risks, and opportunities related to nature and biodiversity. |
| TONA | Tokyo Overnight Average Rate: A Japanese yen risk-free reference rate based on uncollateralized overnight call-market transactions and used in financial contracts and market data. |
| TR | Trade Repository: A regulated infrastructure that receives, validates, stores, and reports derivatives or securities-financing transaction records to authorities. |
| TRACE | Trade Reporting and Compliance Engine: The FINRA facility that receives and disseminates transaction information for eligible US fixed-income securities. |
| TRBC | Refinitiv Business Classification: A proprietary hierarchy for classifying companies by economic activity, supporting screening, peer analysis, and portfolio aggregation. |
| U | |
| UPI | Unique Product Identifier: An ISO 4914 identifier for over-the-counter derivatives products that supports consistent aggregation and regulatory reporting across jurisdictions. |
| UQDF | UTP Quotation Data Feed: A consolidated feed carrying quotations for Nasdaq-listed securities from participant markets under the Unlisted Trading Privileges Plan. |
| UTDF | UTP Trade Data Feed: A consolidated feed carrying last-sale reports for Nasdaq-listed securities from participant markets under the Unlisted Trading Privileges Plan. |
| UTI | Unique Transaction Identifier: A globally standardized identifier assigned to a reportable transaction so regulators and counterparties can match records across submissions and systems. |
| UTP | Unlisted Trading Privileges Plan: The US national market-system plan governing consolidated quotation and trade information for Nasdaq-listed securities traded across participant markets. |
| W | |
| WKN | Wertpapierkennnummer: A six-character German securities identification number used in domestic security-reference data and instrument mapping. |
| WRDS | Wharton Research Data Services: A research platform that provides standardized access to financial, accounting, economic, market, and corporate datasets from multiple sources. |
| X | |
| XBRL | eXtensible Business Reporting Language: An open standard for tagging financial and business reports so disclosures can be validated, extracted, compared, and analyzed automatically. |