Programming language: Java
License: GNU General Public License v3.0 or later
Tags: Projects     Financial    
Latest version: v0.14

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ta4j Build Status develop Build Status master Discord License: MIT Maven Central Sonatype Nexus (Snapshots)

Technical Analysis For Java

Ta4j main chart

Ta4j is an open source Java library for technical analysis. It provides the basic components for creation, evaluation and execution of trading strategies.


  • [x] 100% Pure Java - works on any Java Platform version 8 or later
  • [x] More than 130 technical indicators (Aroon, ATR, moving averages, parabolic SAR, RSI, etc.)
  • [x] A powerful engine for building custom trading strategies
  • [x] Utilities to run and compare strategies
  • [x] Minimal 3rd party dependencies
  • [x] Simple integration
  • [x] One more thing: it's MIT licensed

Maven configuration

Ta4j is available on Maven Central. You just have to add the following dependency in your pom.xml file.


For snapshots, add the following repository to your pom.xml file.

    <id>sonatype snapshots</id>

The current snapshot version is 0.15-SNAPSHOT from the develop branch.


You can also download example code from the maven central repository by adding the following dependency to your pom.xml:


Getting Help

The wiki is the best place to start learning about ta4j. For more detailed questions, please use the issues tracker.

Contributing to ta4j

Here are some ways for you to contribute to ta4j:

See also: the [contribution policy](.github/CONTRIBUTING.md) and [Code of Cunduct](CODE_OF_CONDUCT.md)

*Note that all licence references and agreements mentioned in the ta4j README section above are relevant to that project's source code only.