generated: '2026-07-20' method: searched source: https://pypi.org/user/quantopian/ + https://github.com/quantopian note: >- Quantopian, Inc. ceased operations in November 2020 (IP acquired by Robinhood), but its open-source Python libraries remain published on PyPI under the Quantopian Inc. author and its GitHub organization (github.com/quantopian) remains live. These are standalone quantitative-finance libraries, not client SDKs for a hosted Quantopian API (that API is retired). zipline-reloaded is a community-maintained fork (stefan-jansen), included as unofficial for context. packages: - language: python registry: pypi name: zipline url: https://pypi.org/project/zipline/ install: pip install zipline version: 1.4.1 license: Apache 2.0 repository: https://github.com/quantopian/zipline summary: A Pythonic algorithmic-trading backtester for financial algorithms. official: true - language: python registry: pypi name: pyfolio url: https://pypi.org/project/pyfolio/ install: pip install pyfolio version: 0.9.2 license: Apache License, Version 2.0 repository: https://github.com/quantopian/pyfolio summary: Performance and risk analysis of financial portfolios. official: true - language: python registry: pypi name: alphalens url: https://pypi.org/project/alphalens/ install: pip install alphalens version: 0.4.0 repository: https://github.com/quantopian/alphalens summary: Performance analysis of predictive (alpha) stock factors. official: true - language: python registry: pypi name: empyrical url: https://pypi.org/project/empyrical/ install: pip install empyrical version: 0.5.5 license: Apache License, Version 2.0 repository: https://github.com/quantopian/empyrical summary: Common performance and risk statistics used in quantitative finance. official: true - language: python registry: pypi name: trading-calendars url: https://pypi.org/project/trading-calendars/ install: pip install trading-calendars version: 2.1.1 license: Apache License, Version 2.0 repository: https://github.com/quantopian/trading_calendars summary: Securities-exchange trading calendars used by Zipline. official: true - language: python registry: pypi name: qgrid url: https://pypi.org/project/qgrid/ install: pip install qgrid version: 1.3.1 license: Apache-2.0 repository: https://github.com/quantopian/qgrid summary: An interactive grid for sorting and filtering DataFrames in Jupyter. official: true - language: python registry: pypi name: zipline-reloaded url: https://pypi.org/project/zipline-reloaded/ install: pip install zipline-reloaded version: 3.1.1 repository: https://github.com/stefan-jansen/zipline-reloaded summary: Community-maintained fork of Quantopian's Zipline backtester. official: false