★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Tool comparison edition
Tool Comparison
FactorsToday vs Reflexivity
Pick FactorsToday if
FactorsToday
Other · Web · API
- You care about data visualizations, stock comparison, and factor exposure, things Reflexivity doesn't offer
Pick Reflexivity if
Reflexivity
Subscription · Web · API
- You care about alerts, news, and transcripts, things FactorsToday 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.
Our take
The bottom line
FactorsToday and Reflexivity cover a lot of the same ground (8 shared categories, including screeners, quant, and performance attribution), so for the basics you won't go far wrong with either. The real difference is focus: only FactorsToday gives you data visualizations and stock comparison, and only Reflexivity gives you alerts and news.
What readers say
FactorsToday
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Reflexivity
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See for yourself
How they stack up
The side-by-side table: pricing, platforms, data, and coverage at a glance.ShowHide
How they stack up
The side-by-side table: pricing, platforms, data, and coverage at a glance.| Attribute | ||
|---|---|---|
| Pricing & plans | ||
Starting price | Other | Subscription |
Free tier | No | No |
Free trial | — | — |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | No |
API access | Yes | Yes |
Broker sync | No | No |
| Audience & fit | ||
Experience level | Intermediate, Advanced | Intermediate, Advanced |
Best for | Analysts and Quants/Developers | — |
Categories covered | 13 | 12 |
Regions | — | North America, Europe, APAC, LatAm, Middle East, Africa |
| Data & capabilities | ||
Data quality | 3 signals: Latency: Real-time and End of Day, Granularity: EOD and Second +1 more | Latency: Real-time and End of Day and Granularity: EOD |
Capabilities | 9 signals: Universe builder, Factors: Value, Quality, Momentum, Growth, LowVol, and Size +7 more | 5 signals: Universe builder, Stress tests: Rates, FX, and EquityCrash +3 more |
Security | — | SOC2 |
| Try it | Visit FactorsToday | Visit Reflexivity |
Where each one shines
What FactorsToday and Reflexivity each do best.ShowHide
Where each one shines
What FactorsToday and Reflexivity each do best.What FactorsToday does best
- Monitor extreme factor moves and factor pairs with live dashboards, z-scores, and multiple time windows.
- Screen factors by timeframe, return, direction, and name, or screen stocks by stock type, factor criteria, and model-fit metrics.
- Analyze individual tickers through stock lookup, factor exposures, model comparisons, and related-stock similarity.
- Upload portfolio holdings by CSV, choose factor-model granularity, compare against a benchmark, and run what-if factor scenarios.
- Use Hedge Portfolio Builder to recommend hedge positions against factor targets with constraint controls and CSV export.
What Reflexivity does best
- Use AI research workflows over institutional datasets from providers such as S&P Global, LSEG Datastream, Nasdaq, Cboe, and other sources included in the platform.
- Run Deep Research workflows that can analyze data, write and execute code, create research reports, and export data or visualizations.
- Search filings, transcripts, presentations, central bank documents, and proprietary uploads through Document Intelligence.
- Use OCR on charts and tables so documents can become searchable and analyzable research inputs.
- Monitor portfolios with real-time alerts, risk and exposure analytics, performance attribution, and daily insight generation.
Every detail we compared
Every tracked attribute for FactorsToday and Reflexivity, side by side.ShowHide
Every detail we compared
Every tracked attribute for FactorsToday and Reflexivity, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFsMutual FundsClosed-End Funds | StocksETFsBondsCommoditiesCurrencies |
Experience | IntermediateAdvanced | IntermediateAdvanced |
Target audience | AnalystsQuants/Developers | Not specified |
Regions | Not specified | North AmericaEuropeAPACLatAmMiddle EastAfrica |
Coverage details | Identifiers: Ticker | Identifiers: Ticker |
| Data | ||
Data freshness | Real-timeEnd of Day | Real-timeEnd of Day |
Data granularity | EODSecond | EOD |
| Access & integrations | ||
API protocols | REST | Not specified |
API auth & delivery | Auth: None600 req/minDocs | Not specified |
Import methods | CSVManual | CSVManual |
Export formats | CSVExcelJSON | Excel |
| Plans & trust | ||
Security & compliance | Not specified | SOC2 |
Capability signals | Universe builderFactors: Value, Quality, Momentum, Growth, LowVol, and SizeFactor exposureVaR/ESStress tests: Rates, FX, and CommoditiesPerformance attributionPortfolio attributionPortfolio factor exposure+1 more | Universe builderStress tests: Rates, FX, and EquityCrashPortfolio attributionCitation pinningAI summaries: Filings, Transcripts, and News |
Vendor & support | FactorsToday (operated by Lukasz R. Tomicki)Country: USSupport: Email | Knabble, Inc. (dba Reflexivity)Country: United StatesSupport: Email |
Green tags are exclusive to that tool in this comparison.
Questions we keep getting
What's the difference between FactorsToday and Reflexivity?
FactorsToday leans toward screeners, quant, and data visualizations, while Reflexivity puts more weight on screeners, quant, and performance attribution. They overlap in 8 categories, so for most people it comes down to workflow preference and price.
How much do FactorsToday and Reflexivity cost?
Neither has a free plan; you'll need a paid subscription for the full feature set of either. Check each tool's current plan details before buying.
Do FactorsToday and Reflexivity 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 Reflexivity?
It depends on what you're after. Pick FactorsToday if data visualizations and stock comparison matter to you; go with Reflexivity if you'd rather have alerts and news. And if you only need the basics both share, let price decide.
What asset classes do FactorsToday and Reflexivity cover?
Both cover stocks and ETFs. FactorsToday also handles mutual funds and closed-end funds. Reflexivity adds bonds, commodities, and currencies on top.
Do FactorsToday and Reflexivity offer real-time data?
Yes, both serve real-time market data, so either works when timing matters.
Can I export data from FactorsToday and Reflexivity?
Yes, both export to spreadsheets (Excel), which is handy if you like running your own numbers.
Which has a better stock screener: FactorsToday or Reflexivity?
Both FactorsToday and Reflexivity 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 Reflexivity?
Yes, both do portfolio tracking: holdings, performance, and allocation in one place.
Keep researching
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Feedback
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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.