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Tai

Tai is a composable Elixir toolkit that runs on the Erlang virtual machine and provides real-time market-data and trade-execution components for building trading systems.

Explore the practical guide ↓

Independent OpenViST project profile, based on linked sources.

Tai — OpenViST project profile in Exchanges & Trading.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use Tai when developing a custom trading application that needs market-data streams and order-management components, particularly when its documented venue capabilities fit the intended workflow.

Who it is for

  • Elixir developers building automated or algorithmic trading software.
  • Teams that need to stream venue market data and manage orders through a shared interface.

Documented uses

  • Stream market data from supported venues.
  • Create and manage orders across venues through a near-uniform API.
  • Build an advisor that logs spreads across products and venues.
  • Set up an orders database and develop against Tai's interactive helper commands.
Before you choose

Requirements & limits

The source repository is public and identifies the project as MIT-licensed.

  • The project requires Elixir 1.11 or later and Erlang/OTP 22 or later.
  • Venue capabilities differ: the README separates supported venues from venues in progress and lists each capability individually.
  • The documented setup creates an orders database and runs migrations; SQLite and PostgreSQL are named as datastore options.
  • Tai is a developer toolkit and interactive application workflow, not a ready-made exchange trading interface.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Set up Tai in an Elixir project

Prepare a project to run Tai with an orders database and interactive development shell.

Before you start

  • Elixir 1.11 or later and Erlang/OTP 22 or later.
  • An Elixir project with Tai added to its mix.exs dependencies.
  • A chosen order-data-store dependency; the README names SQLite and PostgreSQL options.

Steps

  1. Add Tai to the dependencies in mix.exs.

  2. Create a project-root .iex.exs file and import Tai.IEx.

  3. Run the Mix setup task to download dependencies, create the orders database, generate migrations and run them.

  4. Start the development shell with iex -S mix.

Expected outcome

Tai's documented setup is complete and the project can be opened in an interactive Elixir shell with Tai helper commands.

Guide limitations

  • This is a setup and development-shell workflow; it does not document a trading strategy, venue credentials or a live order execution procedure.
Documentation 1 ↗
Evidence and transparency

Sources & review

Official repository ↗
Source record details
Source availability
Active
Sources checked
15 October 2026
Original website title
fremantle-industries/tai · Official homepage title · retained in its source language
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