VOL. XCIV, NO. 247

★ BEST INVESTING TOOLS COMPARISON ★

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Tuesday, May 26, 2026

Tool Comparison · Tuesday, May 26, 2026

FactorsToday vs Portfolio123

FactorsToday vs Portfolio123: which investing tool fits your workflow? Compare pricing, features, platforms, and verdict in seconds.

Quick verdict
FactorsToday logo

FactorsToday

factorstoday.com

Best for stock comparison, and factor exposure

Pricing
Other
Platforms
Web, API
VS
Portfolio123 logo

Portfolio123

Pick

portfolio123.com

Best for stock ideas, and watchlist

Pricing
Free • From $25/mo
Platforms
Web, API, Desktop

Outbound links may include affiliate or sponsor codes.

Comparison snapshot

Attribute
FactorsToday
Portfolio123
Starting price
Other
Free • From $25/mo
Categories covered
13
20
Web app
Yes
Yes
Mobile app
No
No
API access
Yes
Yes
Regions
North America, Europe

Who should choose which?

Choose

FactorsToday if…

  • You need live dashboards for "extreme factor moves" and "extreme factor pairs" using z-scores across multiple time windows.
  • You need factor screener (filter by timeframe/return/direction/name) and stock screener (filter by stock type, factor criteria, and model-fit metrics like r^2/adj r^2), with csv export.
  • You need stock lookup to search tickers/names and analyze factor exposures (and compare models).
  • You need portfolio factor analysis: upload holdings (csv), choose factor model granularity (base -> all factors), compare to a benchmark, and run a what-if scenario analyzer.

Choose

Portfolio123 if…

  • You want to start free before paying
  • You’re just getting started and want an approachable UI
  • You need web‑based quant research terminal for building multifactor ranking systems, stock/etf screens, and complete rules‑based strategies with no programming, powered by point‑in‑time factset data and marketed as free of survivorship and look‑ahead bias.
  • You need supports realistic simulations and backtests over roughly 20 years of history for us, canadian, and european equities, with custom universes, separate buy/sell rules, position sizing, hedging, and “book of strategies” to combine and analyze correlated systems.

Consider alternatives if…

  • You want broader category coverage in one tool.
  • Neither pricing tier fits your budget.
See alternatives

Side-by-side feature breakdown

AttributeFactorsTodayPortfolio123
Asset types
StocksETFsMutual FundsClosed-End Funds
StocksETFsClosed-End Funds
Experience
IntermediateAdvanced
BeginnerIntermediateAdvanced
Regions
Not specified
North AmericaEurope
Data freshness
Real-timeEnd of Day
Real-timeEnd of Day
API access
REST
REST
Export formats
CSVExcelJSON
JSON

Seen enough? Open either tool and try it now.

Pricing breakdown

Pricing details

Tool

FactorsToday

Starting price

Free tierNo
Free trial

Plans & pricing

Pricing not published

Tool

Portfolio123

$9

Starting price

Free tierYes
Free trial

Plans & pricing

Manage (Free)Free
Retail Research Plans$25/mo
Professional / API & Data LicensesContact sales
Research Trial$9

Coverage overlap

Community category leaders

Vote sentiment comparison

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Still deciding? Get hands-on with both — most plans offer a free tier or trial.

Frequently Asked Questions

What's the difference between FactorsToday and Portfolio123?

FactorsToday focuses on Screeners, Quant, and Data Visualizations while Portfolio123 specializes in Screeners, Data Visualizations, and Quant. They overlap in 7 categories, so choose based on your preferred workflow and pricing.

Is FactorsToday or Portfolio123 free to use?

Portfolio123 offers a free tier that lets you get started without paying, while FactorsToday requires a subscription. If budget is a concern, start with Portfolio123 and upgrade later if you need more advanced features.

Which is better for beginners—FactorsToday or Portfolio123?

Portfolio123 is more beginner-friendly with an approachable interface. Both can work for intermediate users.

Do FactorsToday and Portfolio123 have APIs?

Yes, both platforms offer API access for developers and quants who want to build custom integrations or automate their workflows.

Should I choose FactorsToday or Portfolio123?

Choose FactorsToday if you need Live dashboards for "Extreme Factor Moves" and "Extreme Factor Pairs" using z-scores across multiple time windows., and Factor Screener (filter by timeframe/return/direction/name) and Stock Screener (filter by stock type, factor criteria, and model-fit metrics like R^2/Adj R^2), with CSV export.. Go with Portfolio123 if Web‑based quant research terminal for building multifactor ranking systems, stock/ETF screens, and complete rules‑based strategies with no programming, powered by point‑in‑time FactSet data and marketed as free of survivorship and look‑ahead bias., and Supports realistic simulations and backtests over roughly 20 years of history for US, Canadian, and European equities, with custom universes, separate buy/sell rules, position sizing, hedging, and “Book of Strategies” to combine and analyze correlated systems. better fits how you invest.

What asset classes do FactorsToday and Portfolio123 cover?

Both cover Stocks, ETFs, and Closed-End Funds. FactorsToday also includes Mutual Funds.

Do FactorsToday and Portfolio123 offer real-time data?

Yes, both platforms provide real-time market data. This makes either suitable for active trading strategies where timing matters.

Can I export data from FactorsToday and Portfolio123?

FactorsToday supports data exports to CSV, Excel, and JSON. Portfolio123 has more limited export options.

Can FactorsToday or Portfolio123 connect to my broker?

Portfolio123 connects with brokers for portfolio syncing. FactorsToday requires manual portfolio entry or data import.

Which has a better stock screener—FactorsToday or Portfolio123?

Both FactorsToday and Portfolio123 include stock screeners. Try each to see which filtering options and interface you prefer.

Can I track my portfolio with FactorsToday or Portfolio123?

Both platforms include portfolio tracking, so you can monitor your holdings, performance, and allocation in one place.

Top 50 Investing ToolsGlobal ranking of the best investing tools, ranked by community votes.

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Curation & Accuracy

This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).

Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.