You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.

performanceanalytics
0.12a0

This version was deleted from PyPI around 2025-10-27. Installing fails with:
$ pip3 install performanceanalytics==0.12a0 ERROR: Could not find a version that satisfies the requirement performanceanalytics==0.12a0
View other deleted versions of performanceanalytics

Install through StableBuild

You can install this package from StableBuild's PyPI snapshots from before the version was deleted:
pip3 install \ -i https://YOUR_API_KEY.pypimirror.stablebuild.com/2025-10-26/ \ performanceanalytics==0.12a0
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

And install manually via pip:
PerformanceAnalytics-0.12a0-py2.py3-none-any.whl (33.5KB)
PerformanceAnalytics-0.12a0.tar.gz (16.2KB)