Manage (Free)
$0For free account and strategy tracking
- Portfolio tracking, notes, trades, and charts.
- Supported broker connections and watchlists.
VOL. XCIV, NO. 247
By Jera Value · Verified Sep 2026
Portfolio123 lets you turn investment ideas into stock or ETF screens, factor rankings, and historical strategy tests. Build rules around point-in-time data, examine simulations, and manage holdings through the separate Manage module. Higher research plans add custom ranks, longer tests, live strategies, and optimization tools. Free Manage is ongoing, while free research access is temporary. API and raw-data rights need careful attention to separate licenses and account terms.
Worth it if you develop factor-based screens and test systematic investing rules.
Skip it if you want simple stock picks or unlimited free strategy research.
Portfolio123
Affiliate link. We may earn a commission at no extra cost to you.
Affiliate link. We may earn a commission at no extra cost to you.
Web / API / Desktop · How this site is funded
For free account and strategy tracking
For trying screens and backtests
For screening US and Canadian stocks
For testing custom ranking systems
For running live research strategies
For research needing deeper optimization
Professional / API & Data Licenses: contact sales for a quote.
25% off the first year of Portfolio123 Ultimate with annual billing for non-professional subscribers
Factor rankings
Combine fundamental and market factors into custom ranking systems.
Stock and ETF screens
Filter supported universes to find research candidates.
Strategy simulations
Test rules, position sizing, and rebalancing with historical inputs.
Point-in-time research
Use historical data designed to avoid future information in a test.
AI Factor
Eligible plans train model-based return predictors.
Manage portfolios
Track accounts, trades, and watchlists with supported broker connections.
Licensed APIs
Access supported ranks, universes, and factor series under applicable data terms.
Not entirely. Portfolio123 includes a free tier, but its paid subscription and other options unlock more capacity. Visit the vendor site for current limits and pricing. Enterprise quotes are handled directly with the vendor.
Portfolio123 is built for Retail Traders, Pro Retail, Institutional Investors, Analysts, Quants/Developers, Financial Advisors + 1 more. It suits beginner, intermediate, and advanced users.
You can use Portfolio123 on Web and Desktop. Portfolio123 offers an API (REST) with APIKey authentication. Integrations include Interactive Brokers and Tradier.
Portfolio123 covers North America and Europe. Examples include US and CA. It tracks Stocks, ETFs, and Closed-End Funds. Identifiers include Ticker.
Domain Rating by Ahrefs
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