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underloam/xbbg

A Rust-backed Bloomberg client with Python and Node.js bindings for reference, historical, intraday, streaming and BQL data requests.

Open-source alternative to:Bloomberg Terminal

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Repolode describes open-source projects and does not give investment advice. Trading and investing can lose money: assess the risk yourself and follow the laws where you live before using this project.

What is it?

xbbg is a Bloomberg client whose primary interface is Python, with companion JavaScript/Node bindings. Both sit on a shared Rust engine that handles request execution, response parsing, Arrow-shaped data movement, async workers and typed errors. It is intended for users who already have authorized Bloomberg access, through a local Terminal/DAPI session, SAPI/B-PIPE or ZFP.

The package offers high-level helpers such as bdp, bdh, bdib and bdtick for reference, historical and intraday data, plus BQL, BEQS, BSRCH and analytics functions. Lower-level generic requests and real-time subscriptions are also available. Results can be returned as Narwhals frames, native Arrow tables, PyArrow, pandas, Polars or DuckDB.

xbbg is an independent project and is not affiliated with Bloomberg. It does not supply Bloomberg data or entitlements; users must obtain those under their own agreements.

Key features

  • 01Reference, historical, intraday bar and tick data helpers for Bloomberg
  • 02Real-time subscriptions with isolated sessions from batch request workers
  • 03Supports DAPI, SAPI/B-PIPE, ZFP leased lines, TLS and failover configuration
  • 04Sync and async Python APIs backed by the same engine
  • 05Output to pandas, Polars, PyArrow, DuckDB or native Arrow

Use cases

  • Pulling historical prices and fundamentals into a pandas or Polars analysis pipeline
  • Collecting intraday bars or ticks for quantitative research
  • Running live market data subscriptions in an async Python service
  • Querying BQL or index constituents from Node.js applications

Topics

#bloomberg#finance#market-data#rust#python#pyo3#time-series#arrow#apache-arrow#blpapi

FAQ

What is xbbg?
A Rust-backed Bloomberg client with Python and Node.js bindings for reference, historical, intraday, streaming and BQL data requests. xbbg is a Bloomberg client whose primary interface is Python, with companion JavaScript/Node bindings. Both sit on a shared Rust engine that handles request execution, response parsing, Arrow-shaped data movement, async workers and typed errors. It is intended for users who already have authorized Bloomberg access, through a local Terminal/DAPI session, SAPI/B-PIPE or ZFP.
Is xbbg free to use? What license does it have?
xbbg is open source under the Apache-2.0 license. Check the license terms before using it in commercial products.
Is xbbg still maintained?
Actively maintained. The last commit to xbbg was on Nov 4, 2026.
What can I use xbbg for?
Pulling historical prices and fundamentals into a pandas or Polars analysis pipeline Collecting intraday bars or ticks for quantitative research Running live market data subscriptions in an async Python service Querying BQL or index constituents from Node.js applications
Where can I get xbbg?
The source code and installation instructions are on GitHub: https://github.com/underloam/xbbg

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