PyRank
mementum

backtrader

Python Backtesting library for trading strategies
PyPI GitHub
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

backtrader has 337K monthly downloads and 22K GitHub stars. Version 1.9.78.123, first published in 2019.

It is showing limited recent maintenance under a copyleft license, last released in Apr 2023.

It is used by 54 tracked packages, including fwquant, tradingagents and mcp-markets.

GitHub topics include trading, backtesting and metaclass.

Shared Repository
This package shares its GitHub repository (mementum/backtrader) with 1 other package. Stars, forks, and other GitHub metrics reflect the entire repository.
Downloads
Day
12.4K
Week
84.5K
Month
336.6K
Stars
22.3K
Forks
5.2K
Issues
0
Version
1.9.78.123

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
20
Popularity
90
Adoption
75
Community
80
Provenance
0
How the maintenance status was determined
Last commit
1174 days ago
Monthly downloads
336,590
Active
Activity within 30 days
Stable
Activity within 31-180 days
Minimal
Activity within 181-365 days, or no activity data
• At Risk
No activity for > 365 days, but > 10,000 monthly downloads
Archived
Repository flagged as archived on GitHub
How the popularity category was determined
Monthly downloads
336,590
Stars
22,332
Stars per 1k downloads
66.35
Industry Standard
> 10,000,000 monthly downloads
Hidden Gem
< 0.5 stars per 1k downloads and > 100,000 monthly downloads
• Community Favorite
> 5 stars per 1k downloads
Rising Star
Balanced ratio of stars to downloads
Unknown
Fewer than 1,000 monthly downloads, or no star data
How download momentum is calculated
Week daily avg
12,070
Month daily avg
11,220
Momentum
+7.6%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
Not specified
Cutting Edge
Minimum supported version is 3.12 or newer
Modern
Minimum supported version is 3.9, 3.10, or 3.11
Legacy
Supports 3.8 or older (or Python 2)
• Unknown
No requires_python specified or unparseable
Package does not declare a minimum Python version.
License categories
License
GPLv3+
Permissive
MIT, Apache, BSD, ISC, Unlicense, CC0, etc.
• Copyleft
GPL, LGPL, AGPL, MPL, EPL, etc.
Proprietary
Commercial, all rights reserved, custom EULAs
Unknown
No license specified, or none of the above match
How the release cadence was determined
Last release
1174 days ago
Total releases
5
Releases/year
0.7
Rapid
Last release within 365 days and > 12 releases/year
Regular
Last release within 365 days
Slow
Last release 366-730 days ago
• Stalled
Last release > 730 days ago, or no releases
Unknown
No usable release date available
How contributor risk was determined
Contributors
51
Monthly downloads
336,590
High Load
≤ 2 contributors and ≥ 50,000 monthly downloads
Moderate Load
< 10 contributors and ≥ 500,000 monthly downloads
Low Load
< 25 contributors and ≥ 5,000,000 monthly downloads, or sole maintainer with ≥ 10,000 monthly downloads
• Balanced
Enough contributors for the package's popularity
Unknown
No contributor data available
Engagement
73
 
Issue Burden
0.0
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
1.0%
contrib / forks
Stale Release
No
 
PR Velocity
Active
 

Weekly Downloads

GitHub Stars

Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 7.7K
Windows 1.6K
macOS 892

Python Versions

3.12
42.6% 4.2K
3.11
24.2% 2.4K
3.14
12.4% 1.2K
3.13
12.1% 1.2K
3.10
8.6% 853

Top Countries

1. US US
7.0K
2. CN CN
864
3. SG SG
382
4. HK HK
267
5. JP JP
232
6. DE DE
185
7. IN IN
168
8. TW TW
140
9. ES ES
104
10. FR FR
87
GitHub Topics
Tags from the package's GitHub repository describing what it does.

Package Information

License
GPLv3+
First Release
May 30, 2019
Last Release
3 years ago
Last Commit
3 years ago
Latest Version
1.9.78.123
Total Releases
5
Contributors
51
Open PRs
63
Archived
No
Author
Daniel Rodriguez
Python Versions
3 3.2 3.3 3.4 3.5 3.6 3.7
Wheels
py2 py3
Keywords
trading development
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links