Backtrader
Updated Oct 22, 2026
Open SourceBacktesting & strategyCoder
⚠ What to watch out for
The project is mature but sees few updates. Pin your Python and library versions so your results stay reproducible.
How we checked this
- Official site
- www.backtrader.com (opened Oct 22, 2026)
- Pricing
- Free, open source under GPL-3.0 · source, checked Oct 22, 2026
- Markets
- stocks (Not verified yet on the official site)
- How it touches your money
- Never touches your money. A Python library you run on your own computer. (Not verified yet)
- Known incidents
- No incidents found in our search (Oct 22, 2026). (searched Oct 22, 2026: breaches, outages affecting funds, regulator actions, lawsuits, data leaks)
Facts come from the official pages linked above, checked on the dates shown. Prices change; confirm on the vendor's site before paying. How we review tools. This is a software description, not a recommendation to buy any tool, security or crypto asset.
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Setup guides that use it
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Weekly tool notes
New tools we checked and price changes. Education only.