TA-Lib provides common functions for the technical analysis of stock, future and commodity market data. Widely used by trading software developers working with Excel, .NET, Java, Perl, Python or C/C++. For the BSD License, it can be used freely in open-source or commercial software (click here for details). Brief features include:

• More than 125 technical analysis indicators such as ADX, MACD, RSI, Stochastic, Bollinger Bands etc.
• Includes candlestick pattern recognition.
• Optional abstract API allowing your code to adapt automatically when new functions are added.

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