The `ta` library (Technical Analysis Library in Python, also known as `python-ta`) is a Python library designed for feature engineering on financial time series datasets. It provides a comprehensive collection of over 150 technical indicators and candlestick pattern recognition functions, built entirely on the Pandas library. Version 0.11.0 is the current release, and the project maintains an active, albeit intermittent, release cadence with new features and bug fixes.
pip install taVerified import paths — ran on the pinned version, not inferred.
This quickstart demonstrates how to load a DataFrame with typical OHLCV (Open, High, Low, Close, Volume) data, clean potential NaN values, and then apply all available technical analysis features using `add_all_ta_features`. The resulting DataFrame will include numerous new columns corresponding to various indicators.
Be clear about which library you intend to use. If you need the `TA-Lib` wrapper for performance or specific `TA-Lib` functions, install `TA-Lib` (often `pip install TA-Lib` after installing the C library). If you prefer a pure Python solution, use this `ta` library.
Always preprocess your DataFrame to handle missing data before passing it to `ta` functions. Use `df = ta.utils.dropna(df)` or `df = df.dropna()` as appropriate.
Evaluate your project's performance requirements. If absolute speed is paramount and you are comfortable with the more complex installation of the underlying C `TA-Lib` library, consider using `TA-Lib` (the wrapper) instead of `ta`.
Install the library using pip: `pip install ta`
Ensure your DataFrame columns are correctly named (case-sensitive) or rename them to match the expected lowercase format before passing to `ta` functions. Example: `df.rename(columns={'Open': 'open', 'High': 'high', 'Low': 'low', 'Close': 'close', 'Volume': 'volume'}, inplace=True)`Pass the required pandas Series to the indicator function using the correct keyword argument. Example: `ta.momentum.rsi(close=df['close'], window=14, fillna=True)`
Access specific functions or attributes from the `ta` module. For example, use `ta.add_all_ta_features(...)` or `ta.volatility.bollinger_hband(...)` instead of `ta(...)`.