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TA-Lib is a library of functions for technical analysis of stock market data. It includes a large number of indicators, oscillators and averages, as well as candlestick pattern recognition. It aims to be a reliable implementation of the various algorithms, from the simple to the complex, providing a base for charting, backtesting and trading. The library is written in C and can be called natively from C++ and Java. Perl and python interfaces are provided using SWIG wrappers. (Some interfaces to non-free software are available too.)


API in HTML at


Download version 0.2 (stable)
released on 16 June 2006

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LicenseVerified byVerified onNotes
SimplePermissiveNonWarrantyTed Teah9 January 2007

Leaders and contributors

Mario Fortier Maintainer

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Software prerequisites

This entry (in part or in whole) was last reviewed on 10 January 2011.


Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the page “GNU Free Documentation License”.

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