DataOpen sourceApache-2.0
yfinance
The ubiquitous Python library for Yahoo Finance data, and the default feed in most agent demos
By Ran Aroussi
Live GitHub metrics
Live GitHub data · Oct 11, 2026Stars
25,489
Stars · 7d
+74
Stars · 30d
+320
30d momentum
+1.3%
Forks
3,438
Open issues
107
Language
Python
Last push
6 days ago
Latest release 1.7.0 on Aug 26, 2026. Repository created May 21, 2017.
What it is
yfinance downloads prices, fundamentals and options data from Yahoo Finance. It is free and unofficial, which is why almost every open-source agent uses it for demos and why none of them should rely on it in production.
In the maintainers' words: “Download market data from Yahoo! Finance's API”
Tags
- Market data
- Unofficial
- Python
- #financial-data
- #fix-yahoo-finance
- #market-data
- #pandas
- #python
- #stock-data
- #yahoo-finance
- #yahoo-finance-api