Matlab Access Datafeed

Datafeed Toolbox — Bloomberg, FRED, Haver Analytics, LSEG Datastream, NOAA, and US Government Data

Access financial, economic, climate, and government data from multiple providers through the MATLAB Datafeed Toolbox and related GitHub interfaces.

When to Use

• User wants to connect to Bloomberg, FRED, Haver Analytics, LSEG Datastream, NOAA, or US government agencies (BEA, BLS, Census, EIA) from MATLAB

• User needs to retrieve market data (prices, history, real-time, reference data) via Bloomberg

• User needs to retrieve economic time series from the St. Louis Fed (FRED)

• User needs to fetch economic/financial time series from Haver Analytics databases

• User needs to retrieve historical financial data from LSEG Datastream

• User needs help choosing between interfaces within a provider (e.g., bloomberg vs blp vs bloombergHypermedia, haver vs haverview)

• User needs to retrieve historical climate or weather data from NOAA Climate Data Online

• User needs to retrieve GDP, employment, population, or energy data from US government agencies

• User is writing MATLAB code involving securities, economic indicators, climate data, government data, or data provider connectivity

When NOT to Use

• General financial modeling or portfolio optimization that doesn't involve data provider connectivity

• Bloomberg Terminal keyboard shortcuts or Excel add-in questions (not MATLAB)

• Datastream Excel add-in (not MATLAB)

• Real-time streaming from LSEG (datastreamws is historical only)

• NOAA forecast API (weather.gov) or NOAA CO-OPS tidal data (different services from CDO)

• Direct REST/HTTP calls to US government agency APIs without MATLAB

• Agency-specific data interpretation (what BLS series IDs mean, Census variable codes, etc.)

• Data sources not covered here (e.g., Yahoo Finance)

• Installing MATLAB, Datafeed Toolbox, or toolbox products → use matlab-install-products

• Querying relational databases via SQL, JDBC, or ODBC → use matlab-use-database

• Debugging generic MATLAB runtime errors not specific to a data provider → use matlab-debug-code

Provider Overview

Quick Interface Selection

Bloomberg — see references/bloomberg.md for full API patterns

• Windows Desktop/Terminal user → bloomberg (C++)

• Need platform independence (Data License) → bloombergHypermedia

• Server/cloud, no Terminal (BPIPE) → bloombergBPIPE

• Existing blp users → migrate to bloomberg (same API, no Java needed)

FRED — see references/fred.md for full API patterns

• Any platform → fredrs (requires R2026a+, API key)

• fred is obsolete — do NOT use it

Haver Analytics — see references/haver.md for full API patterns

• Windows with local data files → haver

• Windows needing remote access → haverdirect

• Non-Windows / server / cloud → haverview (REST API)

LSEG Datastream — see references/datastreamws.md for full API patterns

• Any platform → datastreamws (REST API, requires Datastream credentials)

NOAA Climate Data Online — see references/noaa.md for full API patterns

• Any platform → noaa (GitHub interface, requires free CDO API token)

• Clone from github.com/mathworks/noaa and addpath — not part of Datafeed Toolbox

US Government Data — see references/us-govt-data.md for full API patterns

• BEA → usbea (GDP, national/regional/international economic accounts)

• BLS → usbls (employment, unemployment, CPI, wages)

• Census Bureau → uscensus (population, ACS, economic census)

• EIA → useia (electricity, petroleum, natural gas, coal)

• Clone from github.com/mathworks/Access-Public-US-Government-Data-from-MATLAB and addpath — not part of Datafeed Toolbox

How to Use References

Before generating code for a specific provider, read the corresponding reference file for detailed API patterns, function signatures, gotchas, and examples:

• Working with Bloomberg data → read references/bloomberg.md

• Working with FRED economic data → read references/fred.md

• Working with Haver Analytics data → read references/haver.md

• Working with LSEG Datastream data → read references/datastreamws.md

• Working with NOAA climate/weather data → read references/noaa.md

• Working with BEA, BLS, Census, or EIA data → read references/us-govt-data.md

Common Rules

• Always use getSecret() for credentials and API keys — never hardcode secrets

• Bloomberg, FRED, Haver, and Datastream require the Datafeed Toolbox.

• fredrs additionally requires R2026a or later

• datastreamws available since R2018b

• NOAA is a standalone GitHub interface requiring MATLAB only.

• US government data interfaces (usbea, usbls, uscensus, useia) are available on GitHub only and require MATLAB R2026b+ and Datafeed Toolbox R2026b+

• Bloomberg and Haver local interfaces (bloomberg, blp, haver, haverdirect) are Windows-only; cloud/REST variants (bloombergHypermedia, bpipe, haverview, fredrs, datastreamws) are platform-independent

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