BacktestLoop vs ProBors
By Jay Rocco, Chief Editor, FullStack Alpha. Updated . Prices checked on each vendor's own site.
Quick answer
Pick BacktestLoop for backtesting plus strategy builder. Pick ProBors for news and sentiment plus insider and congress trades.
Key differences
- Cheaper paid plan: BacktestLoop ($7.99/mo vs $15/mo)
- Free plan: BacktestLoop (BacktestLoop has one, ProBors does not)
- Broader feature set: BacktestLoop (8 vs 6 core capabilities)
- Backtesting: BacktestLoop (Only BacktestLoop has it)
Pick BacktestLoop if
- You test strategies before risking money
- You want to build your own strategies
- Testing ideas in plain English
- Python-curious strategy builders
Pick ProBors if
- You trade on news and sentiment
- You track insider and Congress trades
- Tracking Congress trades
- Following insider Form 4 filings
Side by side
| Feature | BacktestLoop | ProBors |
|---|---|---|
| Starting price | Free, paid from $7.99/mo | From $15/mo |
| Free plan | Yes | No |
| Charting | Yes | Yes |
| Backtesting | Yes | No |
| Strategy builder | Yes | No |
| Paper trading | Yes | No |
| AI chat assistant | Yes | Yes |
| News and sentiment | No | Yes |
| Insider and Congress trades | No | Yes |
| Crypto | Yes | No |
| API access | Yes | Yes |
| MCP / AI connector | Yes | Yes |
Plans
BacktestLoop
- Free: Free, 15 credits once
- Starter: $7.99/mo
- Basic: $19.99/mo
- Pro: $49.99/mo
- Ultra: $199.99/mo
ProBors
- Monthly: $75/mo regular, $30/mo launch price
- Yearly: $180/yr
Questions people ask
What is the main difference between BacktestLoop and ProBors?
Pick BacktestLoop for backtesting plus strategy builder. Pick ProBors for news and sentiment plus insider and congress trades.
Which is cheaper, BacktestLoop or ProBors?
BacktestLoop has the cheaper paid plan: $7.99/mo for BacktestLoop vs $15/mo for ProBors (monthly equivalent, checked Oct 2026).
Do BacktestLoop or ProBors have a free plan?
Only BacktestLoop has a free plan.
Which is better for beginners?
Both target advanced users. Start with whichever has the free plan or trial so you can test before you pay.
Which has better AI features?
BacktestLoop goes deeper on AI with 4 AI features (AI chat assistant, strategy builder, MCP / AI connector, backtesting).
Can I connect BacktestLoop or ProBors to ChatGPT or Claude?
BacktestLoop and ProBors offer an MCP server or official AI connector.
Is BacktestLoop or ProBors better for active trading?
They are about even on active-trading features (alerts, scanning, signals and charts).
Should I use both BacktestLoop and ProBors?
It can make sense. They overlap on only 4 core features, so one can fill gaps the other leaves.