Portfolio123 vs Trade Ideas
A detailed comparison to help you choose the right tool in 2026.
Portfolio123
Quantitative stock screening and portfolio backtesting for systematic investors
Free plan available
Trade Ideas
AI-powered stock scanning and automated trading with Holly AI
From $89/month
Feature Comparison
| Feature | Portfolio123 | Trade Ideas |
|---|---|---|
| 460+ fundamental and technical screening factors | ✓ | ✗ |
| Multi-factor ranking systems | ✓ | ✗ |
| 20+ year portfolio backtesting | ✓ | ✗ |
| Model portfolios with auto-rebalancing | ✓ | ✗ |
| Factor-based stock scoring | ✓ | ✗ |
| Universe creation and management | ✓ | ✗ |
| Book simulation for live tracking | ✓ | ✗ |
| API for data export | ✓ | ✗ |
| Holly AI generates daily trade ideas from ML analysis | ✗ | ✓ |
| Real-time stock scanner with 500+ alert types | ✗ | ✓ |
| Simulated trading for strategy testing | ✗ | ✓ |
| Automated trading via Interactive Brokers | ✗ | ✓ |
| Risk/reward assessment per trade idea | ✗ | ✓ |
| Channel bar for visual stock pattern scanning | ✗ | ✓ |
| Backtesting engine for custom strategies | ✗ | ✓ |
| OddsMaker probability analysis | ✗ | ✓ |
| Starting Price | Free | $89/month |
Portfolio123 Pros & Cons
Pros
- + Deepest quantitative screening available to retail investors
- + 20+ year backtesting period for robust validation
- + Model portfolios auto-rebalance on schedule
- + No programming required for quantitative strategies
- + Comprehensive factor library
Cons
- − Pro plan is expensive at $83/month
- − Steep learning curve for factor modeling
- − US stocks only
- − Interface is functional but dated
- − No charting or technical analysis tools
Trade Ideas Pros & Cons
Pros
- + Holly AI is genuinely useful and unique in the market
- + Most powerful real-time scanner available
- + Automated trading saves time for systematic traders
- + OddsMaker provides probability-based trade evaluation
- + Used by professional trading firms
Cons
- − Very expensive — Premium is $178/month
- − Steep learning curve for all features
- − Windows-focused — web version is less polished
- − US stocks only
- − No free trial to test before subscribing
Choose Portfolio123 if...
- → Systematic investors who want quantitative factor-based portfolio construction
- → You value: deepest quantitative screening available to retail investors
- → You value: 20+ year backtesting period for robust validation
- → You value: model portfolios auto-rebalance on schedule
Choose Trade Ideas if...
- → Professional day traders who want AI-powered trade ideas
- → You value: holly ai is genuinely useful and unique in the market
- → You value: most powerful real-time scanner available
- → You value: automated trading saves time for systematic traders
Frequently Asked Questions
What is the main difference between Portfolio123 and Trade Ideas?
Portfolio123 is best known for: Quantitative stock screening and portfolio backtesting for systematic investors. Trade Ideas focuses on: AI-powered stock scanning and automated trading with Holly AI.
Which is cheaper, Portfolio123 or Trade Ideas?
Portfolio123 offers a free tier. Trade Ideas starts at $89/month.
Can I use Portfolio123 and Trade Ideas together?
Yes, many traders use both tools as they serve complementary purposes. Portfolio123 excels at 460+ fundamental and technical screening factors, while Trade Ideas is strong in holly ai generates daily trade ideas from ml analysis.