VOL. XCIV, NO. 247

★ BEST INVESTING TOOLS COMPARISON ★

Sunday, May 31, 2026

Tool Comparison · Sunday, May 31, 2026

ETF Insider vs Portfolio123

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

Quick verdict
ETF Insider logo

ETF Insider

Pick

etfinsider.co

Best for etf screeners, and factor exposure

Pricing
Free • From $14/mo
Platforms
Web, API
VS
Portfolio123 logo

Portfolio123

Pick

portfolio123.com

Best for quant, and stock ideas

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

Outbound links may include affiliate or sponsor codes.

Comparison snapshot

Attribute
ETF Insider
Portfolio123
Starting price
Free • From $14/mo
Free • From $25/mo
Categories covered
14
20
Web app
Yes
Yes
Mobile app
No
No
API access
Yes
Yes
Regions
North America
North America, Europe

Who should choose which?

Choose

ETF Insider if…

  • You’re a long-term or value-focused investor
  • You need interactive web app that visualizes portfolios from the perspective of their underlying assets using a central network diagram and portfolio/assets tabs for drill‑downs.
  • You need supports etfs, mutual funds and stocks as input assets, with full look‑through to all underlying holdings and tools to understand overlap, sector, geographic and market‑cap concentration.
  • You need risk and efficiency analytics including portfolio standard deviation, beta, diversification labels, fund overlap metrics and efficient‑frontier / sharpe‑ratio views versus major benchmarks.

Choose

Portfolio123 if…

  • 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.
  • You need stock & etf coverage uses fundamentals, estimates, corporate actions, plus industry/sector classification, with “over 15,000 current us, canadian, and european stocks” and many more historical issues.
  • You need ai factor lets users train machine‑learning factors and plug them into ranking systems and strategies alongside traditional factors, with supporting api endpoints.

Consider alternatives if…

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

Side-by-side feature breakdown

AttributeETF InsiderPortfolio123
Asset types
ETFsMutual FundsStocks
StocksETFsClosed-End Funds
Experience
BeginnerIntermediateAdvanced
BeginnerIntermediateAdvanced
Regions
North America
North AmericaEurope
Data freshness
Real-time
Real-timeEnd of Day
API access
Not specified
REST
Export formats
ImagePDFExcel
JSON

Seen enough? Open either tool and try it now.

Pricing breakdown

Pricing details

Tool

ETF Insider

$14/mo

Starting price

Free tierYes
Free trial

Plans & pricing

FreeFree
Pro$14/mo
EnterpriseContact sales

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 ETF Insider and Portfolio123?

ETF Insider focuses on ETF Screeners, Screeners, 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.

How much do ETF Insider and Portfolio123 cost?

Good news—both ETF Insider and Portfolio123 offer free plans. You can try each platform without commitment and only pay when you need premium features.

Do ETF Insider 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 ETF Insider or Portfolio123?

Choose ETF Insider if you need Interactive web app that visualizes portfolios from the perspective of their underlying assets using a central network diagram and portfolio/assets tabs for drill‑downs., and Supports ETFs, mutual funds and stocks as input assets, with full look‑through to all underlying holdings and tools to understand overlap, sector, geographic and market‑cap concentration.. 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 ETF Insider and Portfolio123 cover?

Both cover ETFs, and Stocks. ETF Insider also includes Mutual Funds. Portfolio123 adds coverage for Closed-End Funds.

Do ETF Insider 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 ETF Insider and Portfolio123?

ETF Insider supports data exports to Image, PDF, and Excel. Portfolio123 has more limited export options.

Can ETF Insider or Portfolio123 connect to my broker?

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

Which has a better stock screener—ETF Insider or Portfolio123?

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

Can I track my portfolio with ETF Insider 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.