name: Refinitiv Eikon Vocabulary description: >- Normative vocabulary for the Refinitiv Eikon and LSEG Data Platform ecosystem, covering financial data concepts, identifiers, and API-specific terminology. version: '1.0' modified: '2026-05-02' source: https://developers.lseg.com terms: - term: RIC (Reuters Instrument Code) definition: >- A ticker-like identifier used by Refinitiv to identify financial instruments and indices. RICs typically consist of a root ticker plus an exchange suffix (e.g., AAPL.O for Apple on NASDAQ). RICs are the primary identifier for pricing queries on the Refinitiv Data Platform. tags: - Identifier - Core Concept - term: PermID definition: >- Permanent Identifier — a globally unique, persistent machine-readable identifier assigned by Refinitiv/LSEG to companies, instruments, quotes, and economic indicators. PermIDs are stable across corporate actions and data updates. tags: - Identifier - Open Data - term: ISIN definition: >- International Securities Identification Number — a 12-character alphanumeric code that uniquely identifies a security. ISINs are administered by national numbering agencies and are used for cross-border instrument identification. tags: - Identifier - Standard - term: CUSIP definition: >- Committee on Uniform Securities Identification Procedures number — a 9-character alphanumeric identifier for North American financial instruments. Used primarily for US and Canadian securities. tags: - Identifier - term: SEDOL definition: >- Stock Exchange Daily Official List — a 7-character identifier for securities issued by the London Stock Exchange. Used primarily for UK and international securities. tags: - Identifier - term: Universe definition: >- In the Refinitiv Data Platform, a universe is one or more instrument identifiers (typically RICs) that define the set of instruments for a query. May be a single RIC or a comma-separated list in a query parameter, or an array in a request body. tags: - Core Concept - term: DataScope Select definition: >- A Refinitiv/LSEG data extraction platform providing bulk access to global prices, corporate actions, reference data, historical data, and cross-reference data. Accessible via REST API over OData protocol or SOAP/XML interface. tags: - Product - Data Platform - term: Extraction definition: >- A DataScope Select operation that retrieves data for a specified set of instruments and fields. Can be synchronous (immediate) or asynchronous (with polling). Extraction types include end-of-day pricing, corporate actions, terms and conditions, and reference data. tags: - DataScope Select - term: Tick History definition: >- LSEG Tick History — a global historical tick-level market data service providing access to time-and-sales, intraday bars, market depth, and order book data. Accessible via the Tick History REST API (TRTH) built on the DataScope Select platform. tags: - Product - Tick Data - term: ESG Score definition: >- Environmental, Social, and Governance score — a numeric rating (0-100) measuring a company's performance on ESG criteria. Refinitiv ESG scores cover over 400 individual ESG measures across 10 main categories and 3 pillars (Environmental, Social, Governance). tags: - ESG - Score - term: ESG Pillar Score definition: >- One of three pillar scores that make up the overall ESG Score: Environmental (resource use, emissions, innovation), Social (workforce, human rights, community, product responsibility), and Governance (management, shareholders, CSR strategy). tags: - ESG - term: Controversies Score definition: >- A separate ESG score that captures ESG-related incident controversies for a company. The ESG Combined Score blends the ESG Score with the Controversies Score to produce a holistic sustainability rating. tags: - ESG - term: OAuth 2.0 Bearer Token definition: >- The authentication mechanism used by the Refinitiv Data Platform. Clients authenticate with username, password, and client_id to obtain a short-lived access token (5 minutes) and a longer-lived refresh token. The access token is passed as a Bearer token in the Authorization header. tags: - Authentication - Security - term: OHLCV definition: >- Open, High, Low, Close, Volume — the standard set of pricing fields for a trading period. Corresponds to OPEN_PRC, HIGH_1, LOW_1, TRDPRC_1, and ACVOL_UNS in Refinitiv field naming conventions. tags: - Pricing - Market Data - term: PermID Entity Search definition: >- A free, open API for searching organizations, equity instruments, and equity quotes using PermID identifiers. Accessible without authentication via the api-eit.refinitiv.com endpoint. tags: - Open Data - Search - term: World-Check definition: >- LSEG World-Check — a risk intelligence database for screening entities against sanctions lists, politically exposed persons (PEPs), adverse media, and other risk categories. Used for KYC, AML, and due diligence workflows. tags: - Compliance - Risk Management - term: Intraday Bar definition: >- An aggregated OHLCV record for a sub-daily time interval (1, 5, 10, 30, or 60 minutes). Available through the Data Platform intraday summaries endpoint and the Tick History extraction service. tags: - Market Data - Historical Data - term: Instrument List definition: >- A named collection of instrument identifiers stored in DataScope Select for use in scheduled or on-demand extraction jobs. Instrument lists enable reuse of instrument sets across multiple extraction operations. tags: - DataScope Select - term: Report Template definition: >- A DataScope Select configuration that specifies the content type and fields for an extraction (e.g., end-of-day pricing fields, corporate action fields). Report templates are paired with instrument lists in scheduled extraction jobs. tags: - DataScope Select - term: Streaming Pricing definition: >- Real-time or delayed pricing data available through the Refinitiv Data Platform pricing snapshots endpoint or via the WebSocket API for continuous updates. Entitlements determine whether real-time or delayed (typically 15-minute delayed) data is returned. tags: - Market Data - Real-Time