ta-lib — C-Optimized Technical Analysis TA-Lib (Technical Analysis Library) is a C library with a Python wrapper providing 150+ technical analysis functions and 61 candlestick pattern recognition functions. It is the industry standard for performance-critical indicator computation, used in production trading systems where pandas-ta or pure-Python alternatives are too slow. What TA-Lib Is TA-Lib was originally written in C for financial market data analysis. The Python wrapper ( on PyPI, imported as ) provides: - 150+ indicator functions across overlap, momentum, volume, volatility, cycle, and…