Tool Comparison
FactorsToday vs PortfoliosLab
- Paid from
- —
- Free plan
- Yes
- Platforms
- Web, API
Best if
- Delayed quotes won't cut it; you need real-time data
- You want scenario & stress tests.
- Paid from
- $8.33/mo
- Free plan
- Yes
- Platforms
- Web, API
Best if
- You want watchlist, ETF comparison, and ETF screeners.
- You're newer to investing and want something approachable
- You're a long-term investor who cares more about fundamentals than headlines
Pick FactorsToday if
FactorsToday
Free · Web · API
- Delayed quotes won't cut it; you need real-time data
- You want scenario & stress tests.
Pick PortfoliosLab if
PortfoliosLab
Free • From $100/yr · Web · API
- You want watchlist, ETF comparison, and ETF screeners.
- You're newer to investing and want something approachable
- You're a long-term investor who cares more about fundamentals than headlines
Skip both if: Neither one clicks with how you research; there are strong third options.
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Our take
The bottom line
FactorsToday and PortfoliosLab cover a lot of the same ground (12 shared categories, including screeners, quant, and data visualizations), so for the basics you won't go far wrong with either. PortfoliosLab simply does more: 17 categories to FactorsToday's 13, including watchlist, ETF comparison, and ETF screeners. FactorsToday counters by being completely free.
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Key differences at a glance
- Real-time data
- FactorsToday
- Broader coverage
- PortfoliosLab17 vs 13 categories
- Beginner friendly
- PortfoliosLab
- Free plan
- Both
What FactorsToday does best
- Factor dashboards report intraday and multi-period returns, z-scores, pair relationships, correlations, seasonality, and valuations.
- Stock pages use ElasticNet regression with cross-validation to estimate exposures across four nested models.
- Portfolio analysis accepts holdings, compares exposures with a benchmark, and applies user-defined factor-return scenarios.
- Performance attribution applies rolling ordinary-least-squares regressions to uploaded or pasted returns and exports results to Excel.
- The factor builder searches for stocks matching target exposures and displays simulated historical results.
What PortfoliosLab does best
- Backtest portfolios and single instruments with configurable rebalancing, benchmark comparisons, and longer historical windows on paid plans.
- Analysis of performance, drawdowns, volatility, VaR, CVaR, Sharpe, Sortino, Omega, Calmar, Martin, Treynor, and related risk-adjusted ratios.
- Comparison tools for stocks, ETFs, mutual funds, funds, crypto, and currency instruments across performance, risk, drawdown, and diversification views.
- Correlation, alpha and beta, factor, diversification, and optimization tools, including mean-variance, risk parity, HRP, and HERC.
- Screening for stocks, ETFs, and mutual funds with daily-recalculated filters, then export results where the selected plan allows it.
Side by side
Pricing comparison
See for yourself
Side by side
Price, platforms, data, and market coverage.ShowHide
Side by side
| Attribute | ||
|---|---|---|
| Pricing & plans | ||
Starting price | Free | Free • From $100/yr |
Free tier | Yes | Yes |
Free trial | — | — |
Plan limits | Current public access: api: 10 requests/second/IP and Current public access: access policy: No long-term free-access commitment published | 25 limits: Free: watchlists: 1, Free: watchlist symbols: 100 +23 more |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | No |
API access | Yes | Yes |
Broker sync | No | No |
Integrations | — | MCP, ChatGPT +1 more |
| Audience & fit | ||
Experience level | Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | Analysts and Quants/Developers | Retail Traders, Pro Retail +6 more |
Categories covered | 13 | 17 |
Regions | — | North America, Europe |
| Data & capabilities | ||
Data quality | 3 signals: Latency: Real-time and End of Day, Granularity: EOD and Minute +1 more | 3 signals: Latency: End of Day, Granularity: EOD +1 more |
Capabilities | 7 signals: Universe builder, Factors: Value, Quality, Momentum, Growth, LowVol, and Size +5 more | 6 signals: Factor exposure, VaR/ES +4 more |
| Try it | Visit FactorsToday | Visit PortfoliosLab |
Standout features
The best features of FactorsToday and PortfoliosLab.ShowHide
Standout features
What FactorsToday does best
- Factor dashboards report intraday and multi-period returns, z-scores, pair relationships, correlations, seasonality, and valuations.
- Stock pages use ElasticNet regression with cross-validation to estimate exposures across four nested models.
- Portfolio analysis accepts holdings, compares exposures with a benchmark, and applies user-defined factor-return scenarios.
- Performance attribution applies rolling ordinary-least-squares regressions to uploaded or pasted returns and exports results to Excel.
- The factor builder searches for stocks matching target exposures and displays simulated historical results.
What PortfoliosLab does best
- Backtest portfolios and single instruments with configurable rebalancing, benchmark comparisons, and longer historical windows on paid plans.
- Analysis of performance, drawdowns, volatility, VaR, CVaR, Sharpe, Sortino, Omega, Calmar, Martin, Treynor, and related risk-adjusted ratios.
- Comparison tools for stocks, ETFs, mutual funds, funds, crypto, and currency instruments across performance, risk, drawdown, and diversification views.
- Correlation, alpha and beta, factor, diversification, and optimization tools, including mean-variance, risk parity, HRP, and HERC.
- Screening for stocks, ETFs, and mutual funds with daily-recalculated filters, then export results where the selected plan allows it.
All details
Every attribute we track for FactorsToday and PortfoliosLab.ShowHide
All details
| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFsMutual FundsClosed-End Funds | StocksETFsMutual FundsFundsCryptosCurrencies |
Experience | IntermediateAdvanced | BeginnerIntermediateAdvanced |
Target audience | AnalystsQuants/Developers | Retail TradersPro RetailInstitutional InvestorsLong-term InvestorsIndex/Passive InvestorsQuants/DevelopersAnalystsFinancial Advisors |
Regions | Not specified | North AmericaEurope |
Coverage details | Identifiers: Ticker | Countries: US and GBIdentifiers: Ticker |
| Data | ||
Data freshness | Real-timeEnd of Day | End of Day |
Data granularity | EODMinute | EOD |
| Access & integrations | ||
API protocols | REST | REST |
API auth & delivery | Auth: None600 req/minDocs | Auth: NoneDocs |
Import methods | CSVManual | ManualCSV |
Integrations | Not specified | MCPChatGPTClaude |
Export formats | CSVExcelJSON | Not specified |
| Plans & trust | ||
Capability signals | Universe builderFactors: Value, Quality, Momentum, Growth, LowVol, and SizeFactor exposurePerformance attributionPortfolio attributionPortfolio factor exposureCorrelation | Factor exposureVaR/ESPerformance attributionRebalancingPortfolio factor exposureCorrelation |
Vendor & support | FactorsToday (operated by Lukasz R. Tomicki)Country: USSupport: Email | PortfoliosLab Analytics FZCOCountry: United Arab EmiratesSupport: Email |
Green tags are exclusive to that tool in this comparison.
Pricing
Plans, billing, free trials, and monthly prices.ShowHide
Pricing
| Tier | ||
|---|---|---|
| Free plan | Free“Current public access”api: 10 requests/second/IP · access policy: No long-term free-access commitment published | Freewatchlists: 1 · watchlist symbols: 100 · +4 more |
| Entry paid plan | — | $100/yr≈ $8.33/mo“Plus”watchlists: 5 · private portfolios: 5 · +4 more |
| Tier 2 | — | $250/yr≈ $20.83/mo“Pro”watchlists: 10 · private portfolios: Unlimited · +4 more |
| Top plan | — | $900/yr≈ $75/mo“Max”watchlists: 10 · watchlist symbols: 2,000 · +5 more |
Questions we keep getting
What's the difference between FactorsToday and PortfoliosLab?
FactorsToday leans toward screeners, quant, and data visualizations, while PortfoliosLab puts more weight on portfolio, watchlist, and backtesting. They overlap in 12 categories, so for most people it comes down to workflow preference and price.
How much do FactorsToday and PortfoliosLab cost?
Good news: both FactorsToday and PortfoliosLab have free plans, so you can run them side by side and only pay if you hit a wall.
Which is better for beginners: FactorsToday or PortfoliosLab?
PortfoliosLab is the friendlier place to start; its interface takes less getting used to. Both work fine once you're past the basics.
Do FactorsToday and PortfoliosLab have APIs?
Yes, both offer API access, so developers and quants can pull data programmatically or wire up their own integrations.
Should I choose FactorsToday or PortfoliosLab?
It depends on what you're after. Pick FactorsToday if scenario & stress tests matter to you; go with PortfoliosLab if you'd rather have watchlist and ETF comparison. And if you only need the basics both share, let price decide.
What asset classes do FactorsToday and PortfoliosLab cover?
Both cover stocks, ETFs, and mutual funds. FactorsToday also handles closed-end funds. PortfoliosLab adds funds, cryptos, and currencies on top.
Does FactorsToday or PortfoliosLab have real-time data?
FactorsToday offers real-time data, which matters if you trade actively. PortfoliosLab runs on delayed or end-of-day data, which is perfectly fine for longer-term investors who don't live and die by the tick.
Can I export data from FactorsToday and PortfoliosLab?
FactorsToday exports to CSV and Excel. PortfoliosLab is stingier about getting data out.
Which has a better stock screener: FactorsToday or PortfoliosLab?
Both FactorsToday 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 FactorsToday or PortfoliosLab?
Yes, both do portfolio tracking: holdings, performance, and allocation in one place.
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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.