★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Tool comparison edition
Tool Comparison
ETF Research Center vs PortfoliosLab
Pick ETF Research Center if
ETF Research Center
Best for ETF analysis and ETF factors
Free • From $29/mo · Web
- You care about ETF analysis, ETF factors, and ETF overlap, things PortfoliosLab doesn't offer
Pick PortfoliosLab if
PortfoliosLab
Best for correlation and risk metrics
Free • From $8.33/mo · Web · API · 86% positive (7 votes)
- You want the cheaper way in: plans start at $8.33/mo instead of $29/mo
- You want an API so you can script or automate things
- You care about correlation, risk metrics, and factor exposure, things ETF Research Center doesn't offer
Skip both if: Neither one clicks with how you research; there are strong third options.
See alternativesOutbound links may include affiliate or sponsor codes.
The verdict
The bottom line
ETF Research Center and PortfoliosLab cover a lot of the same ground (6 shared categories, including ETF screeners, ETF comparison, and portfolio), so for the basics you won't go far wrong with either. PortfoliosLab simply does more: 17 categories to ETF Research Center's 11, including correlation, risk metrics, and factor exposure. ETF Research Center counters by keeping things simpler.
Key differences at a glance
- Cheaper paid plan
- PortfoliosLab$8.33/mo vs $29/mo
- Free trial
- ETF Research Center30 days
- Broader coverage
- PortfoliosLab17 vs 11 categories
- API access
- PortfoliosLab
- Global coverage
- PortfoliosLab
- Asset coverage
- PortfoliosLabAdds stocks and mutual funds
Comparison snapshot
| Attribute | ||
|---|---|---|
| Pricing & plans | ||
Starting price | Free • From $29/mo | Free • From $8.33/mo |
Free tier | Yes | Yes |
Free trial | 30 days | — |
Plan limits | — | 23 limits: Free: watchlists: 1, Free: watchlist symbols: 100 +21 more |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | No |
API access | No | Yes |
Broker sync | No | No |
Integrations | — | MCP, ChatGPT +1 more |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | — | Retail Traders, Pro Retail +6 more |
Categories covered | 11 | 17 |
Regions | North America | North America, Europe |
| Data & capabilities | ||
Data quality | 4 signals: Latency: End of Day, Granularity: EOD +2 more | 3 signals: Latency: End of Day, Granularity: EOD +1 more |
Capabilities | Universe builder | 6 signals: Factor exposure, VaR/ES +4 more |
| Try it | Visit ETF Research Center | Visit PortfoliosLab |
Standout features
What ETF Research Center does best
- Screen ETFs with the Equity Power Screener using performance, technical indicators, fundamentals, valuations, ratings, and premium-gated criteria.
- Use Fund Finder views across general, equity, and fixed-income metrics to narrow ETF candidates.
- Compare fund overlap to see shared holdings, top differences, and overlap matrices against benchmarks or portfolios.
- Use Stock Locator to find ETFs holding a specific stock, including weights and shares, with full lists available through a free account.
- Compare total cost of ownership using expense ratios, spreads, commissions, holding period, and custom assumptions.
What PortfoliosLab does best
- Backtest portfolios and single instruments with configurable rebalancing, benchmark comparisons, and longer historical windows on paid plans.
- Analyze performance, drawdowns, volatility, VaR, CVaR, Sharpe, Sortino, Omega, Calmar, Martin, Treynor, and related risk-adjusted ratios.
- Compare stocks, ETFs, mutual funds, funds, crypto, and currency instruments across performance, risk, drawdown, and diversification views.
- Use correlation, alpha/beta, factor, diversification, and optimization tools including mean-variance, risk parity, HRP, and HERC models.
- Screen stocks, ETFs, and mutual funds with daily-recalculated filters, then export results where the selected plan allows it.
Data & access details
| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | ETFs | StocksETFsMutual FundsFundsCryptosCurrencies |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Target audience | Not specified | Retail TradersPro RetailInstitutional InvestorsLong-term InvestorsIndex/Passive InvestorsQuants/DevelopersAnalystsFinancial Advisors |
Regions | North America | North AmericaEurope |
Coverage details | Countries: US and CAIdentifiers: Ticker | Countries: US and GBIdentifiers: Ticker |
| Data | ||
Data freshness | End of Day | End of Day |
Data granularity | EOD | EOD |
| Access & integrations | ||
API protocols | Not specified | REST |
API auth & delivery | Not specified | Auth: NoneDocs |
Import methods | Not specified | ManualCSV |
Integrations | Not specified | MCPChatGPTClaude |
Export formats | CSVPDF | Not specified |
| Plans & trust | ||
Capability signals | Universe builder | Factor exposureVaR/ESPerformance attributionRebalancingPortfolio factor exposureCorrelation |
Vendor & support | AltaVista ResearchCountry: United StatesFounded 2004Support: Email and Phone | PortfoliosLabSupport: Email |
Curation ratings | Methodology 4/5Reliability 4/5UX 4/5 | Not specified |
Green tags are exclusive to that tool in this comparison.
Pricing breakdown
$29/mo
Starting price
Plans & pricing
$8.33/mo
Lower starting price
Plans & pricing
- watchlists: 1
- watchlist symbols: 100
- +4 more
- watchlists: 5
- private portfolios: 5
- +3 more
- watchlists: 10
- private portfolios: Unlimited
- +3 more
- watchlists: 10
- watchlist symbols: 2,000
- +5 more
Coverage overlap
Shared categories
6Where the two tools cover the same ground.
ETF Research Center strengths
5What you only get with ETF Research Center.
PortfoliosLab strengths
11What you only get with PortfoliosLab.
Community category leaders
Vote sentiment comparison
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Frequently Asked Questions
What's the difference between ETF Research Center and PortfoliosLab?
ETF Research Center leans toward ETF screeners, ETF comparison, and ETF analysis, while PortfoliosLab puts more weight on portfolio, watchlist, and backtesting. They overlap in 6 categories, so for most people it comes down to workflow preference and price.
How much do ETF Research Center and PortfoliosLab cost?
Good news: both ETF Research Center and PortfoliosLab have free plans, so you can run them side by side and only pay if you hit a wall.
Does ETF Research Center or PortfoliosLab have an API?
PortfoliosLab has an API for programmatic access and custom integrations. ETF Research Center doesn't, so you're working through its interface.
Should I choose ETF Research Center or PortfoliosLab?
It depends on what you're after. Pick ETF Research Center if ETF analysis and ETF factors matter to you; go with PortfoliosLab if you'd rather have correlation and risk metrics. And if you only need the basics both share, let price decide.
What asset classes do ETF Research Center and PortfoliosLab cover?
Both cover ETFs. PortfoliosLab adds stocks, mutual funds, and funds on top.
Which covers international markets: ETF Research Center or PortfoliosLab?
PortfoliosLab has documented international coverage (North America and Europe), so it's the safer bet if you hold non-US stocks. ETF Research Center is more region-specific, mainly North America.
Can I export data from ETF Research Center and PortfoliosLab?
ETF Research Center exports to CSV. PortfoliosLab is stingier about getting data out.
Which has a better stock screener: ETF Research Center or PortfoliosLab?
Both ETF Research Center and PortfoliosLab include stock screeners, and they differ more in interface than raw power; try both and see which one clicks for you.
Can I track my portfolio with ETF Research Center or PortfoliosLab?
Yes, both do portfolio tracking: holdings, performance, and allocation in one place.
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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.