BEST INVESTING TOOLS COMPARISON

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Checked September 24, 2026

Tool Comparison

Global Factor Data (JKP Factors) vs Uncle Stock

Paid from
—
Free plan
Yes
Platforms
Web, Other

Best if

  • You want quant and factor exposure.

Uncle Stock

TestedMost versatile pick
Review & pricing
Paid from
$10.83/mo
Free plan
Yes
Platforms
Web, API

Best if

  • You want an API so you can script or automate things
  • You want screeners, backtesting, and financials.
  • You're newer to investing and want something approachable

Pick Global Factor Data (JKP Factors) instead if

Global Factor Data (JKP Factors) logo

Global Factor Data (JKP Factors)

jkpfactors.com

Free · Web · Other

  • You want quant and factor exposure.
Most versatile pick

Start here

Uncle Stock logo

Uncle Stock

unclestock.comTested

Free • From $130/yr · Web · API

  • You want an API so you can script or automate things
  • You want screeners, backtesting, and financials.
  • You're newer to investing and want something approachable

Skip both if: Neither one clicks with how you research; there are strong third options.

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Our take

The bottom line

Global Factor Data (JKP Factors) and Uncle Stock cover a lot of the same ground (2 shared categories, APIs & data feeds and data visualizations), so for the basics you won't go far wrong with either. Uncle Stock simply does more: 11 categories to Global Factor Data (JKP Factors)'s 4, including screeners, backtesting, and financials. Global Factor Data (JKP Factors) counters by being completely free.

What readers say

Global Factor Data (JKP Factors)

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Uncle Stock

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Key differences at a glance

Asset coverage
Uncle StockAdds cryptos
Free trial
Uncle Stock14 days
Broader coverage
Uncle Stock11 vs 4 categories
API access
Uncle Stock
Beginner friendly
Uncle Stock
Free plan
Both
See the full side-by-side table
Global Factor Data (JKP Factors) logo

What Global Factor Data (JKP Factors) does best

  1. The download tool covers 153 factor portfolios in 13 themes, 93 countries, and four regions.
  2. Factor returns are excess returns in US dollars with daily or monthly frequency and multiple weighting methods where available.
  3. Downloads also include low, middle, and high sorted portfolios, GICS and Fama-French industry returns, breakpoints, cutoffs, and factor mappings.
  4. Analysis pages compare annualized return, volatility, Sharpe ratio, information ratio, alpha, beta, and cumulative performance.
  5. Monthly stock-level characteristics are distributed through WRDS and require an eligible institutional subscription.
Uncle Stock logo

What Uncle Stock does best

  1. The screener covers more than 100,000 stocks and about 4,000 searchable financial and valuation metrics.
  2. More than 15 valuation models include DCF, Graham, earnings power value, and residual income methods.
  3. Screens support metric conditions, Must, Should, and Exclude clauses, geography, industry, and multiple sort fields.
  4. Silver backtests screens with yearly rebalancing.
  5. Backtest settings include sector caps, sell rules, stop losses, rebalancing choices, and position-sizing methods.

Side by side

Pricing & plans
Starting price
Free
Free • From $130/yr
Free tier
Yes
Yes
Free trial
—
14 days
Platforms & access
Web app
Yes
Yes
Mobile app
No
No
API access
No
Yes
Broker sync
—
No
Integrations
WRDS and GitHub
—
Coverage & data
Asset types
Stocks
StocksCryptos
Target audience
Quants/DevelopersAnalystsStudents/Researchers
Retail TradersPro RetailLong-term InvestorsValue Investors
Data granularity
EOD
EOD
Export formats
Not specified
CSV

Pricing comparison

Free plan
Free“Free (non-commercial license)”
Free
Entry paid plan
—
$130/yr≈ $10.83/mo“Bronze (Yearly)”
Tier 2
—
$210/yr≈ $17.50/mo“Silver (Yearly)”
Tier 3
—
$20/mo“Bronze (Monthly)”
Tier 4
—
$350/yr≈ $29.17/mo“Gold (Yearly)”
Tier 5
—
$35/mo“Silver (Monthly)”
Top plan
—
$60/mo“Gold (Monthly)”
Free trial
—
14 days

See for yourself

Side by side

Price, platforms, data, and market coverage.
Show
Side-by-side comparison of Global Factor Data (JKP Factors) and Uncle Stock
Attribute
Global Factor Data (JKP Factors) logo
Global Factor Data (JKP Factors)
Uncle Stock logo
Uncle Stock
Pricing & plans
Starting price
FreeFree • From $130/yr
Free tier
YesYes
Free trial
—14 days
Plan limits
Free (non-commercial license): license: CC BY-NC 4.0; commercial use requires separate permission.12 limits: Bronze (Monthly): history years: 25, Bronze (Monthly): us history years: 35 +10 more
Platforms & access
Web app
YesYes
Mobile app
NoNo
API access
NoYes
Broker sync
—No
Integrations
WRDS and GitHub—
Audience & fit
Experience level
AdvancedBeginner, Intermediate, Advanced
Best for
Quants/Developers, Analysts +1 moreRetail Traders, Pro Retail +2 more
Categories covered
411
Regions
North America, Europe, APAC, LatAm, Middle East, AfricaNorth America, Europe, APAC, LatAm, Middle East, Africa
Data & capabilities
Data quality
Granularity: EODGranularity: EOD
Data partners
3 partners: WRDS, CRSP +1 more3 partners: Sharadar, EOD Historical Data +1 more
Capabilities
—Universe builder
Try itVisit Global Factor Data (JKP Factors)Visit Uncle Stock

Standout features

The best features of Global Factor Data (JKP Factors) and Uncle Stock.
Show
Global Factor Data (JKP Factors) logo

What Global Factor Data (JKP Factors) does best

  1. The download tool covers 153 factor portfolios in 13 themes, 93 countries, and four regions.
  2. Factor returns are excess returns in US dollars with daily or monthly frequency and multiple weighting methods where available.
  3. Downloads also include low, middle, and high sorted portfolios, GICS and Fama-French industry returns, breakpoints, cutoffs, and factor mappings.
  4. Analysis pages compare annualized return, volatility, Sharpe ratio, information ratio, alpha, beta, and cumulative performance.
  5. Monthly stock-level characteristics are distributed through WRDS and require an eligible institutional subscription.
Uncle Stock logo

What Uncle Stock does best

  1. The screener covers more than 100,000 stocks and about 4,000 searchable financial and valuation metrics.
  2. More than 15 valuation models include DCF, Graham, earnings power value, and residual income methods.
  3. Screens support metric conditions, Must, Should, and Exclude clauses, geography, industry, and multiple sort fields.
  4. Silver backtests screens with yearly rebalancing.
  5. Backtest settings include sector caps, sell rules, stop losses, rebalancing choices, and position-sizing methods.

All details

Every attribute we track for Global Factor Data (JKP Factors) and Uncle Stock.
Show
Attribute
Global Factor Data (JKP Factors) logo
Global Factor Data (JKP Factors)
Uncle Stock logo
Uncle Stock
Coverage & fit
Asset types
Stocks
StocksCryptos
Experience
Advanced
BeginnerIntermediateAdvanced
Target audience
Quants/DevelopersAnalystsStudents/Researchers
Retail TradersPro RetailLong-term InvestorsValue Investors
Regions
North AmericaEuropeAPACLatAmMiddle EastAfrica
North AmericaEuropeAPACLatAmMiddle EastAfrica
Coverage details
Not specified
Identifiers: Ticker
Data
Data granularity
EOD
EOD
Data partners
WRDSCRSPCompustat
SharadarEOD Historical DataFinancial Modeling Prep
Access & integrations
API protocols
Not specified
REST
API auth & delivery
Not specified
Auth: APIKeyDocs
Import methods
Not specified
Manual
Integrations
WRDSGitHub
Not specified
Export formats
Not specified
CSV
Plans & trust
Capability signals
Not specified
Universe builder
Vendor & support
Global Factor Data (Jensen, Kelly, Pedersen)Support: Forum and Email
Castlefish BVCountry: BelgiumSupport: Chat, Email, Phone, and Forum

Green tags are exclusive to that tool in this comparison.

Pricing

Plans, billing, free trials, and monthly prices.
Show
Plan-by-plan pricing comparison of Global Factor Data (JKP Factors) and Uncle Stock
Tier
Global Factor Data (JKP Factors) logo
Global Factor Data (JKP Factors)Cheaper start
Uncle Stock logo
Uncle Stock
Free plan
Free“Free (non-commercial license)”license: CC BY-NC 4.0; commercial use requires separate permission.
Free
Entry paid plan—
$130/yr≈ $10.83/mo“Bronze (Yearly)”history years: 25 · us history years: 35
Tier 2—
$210/yr≈ $17.50/mo“Silver (Yearly)”backtest rebalance: Yearly
Tier 3—
$20/mo“Bronze (Monthly)”history years: 25 · us history years: 35
Tier 4—
$350/yr≈ $29.17/mo“Gold (Yearly)”api calls per month: 300 · mcp stock searches daily: Higher than Free; official pages conflict on 75 versus unlimited · +1 more
Tier 5—
$35/mo“Silver (Monthly)”backtest rebalance: Yearly
Top plan—
$60/mo“Gold (Monthly)”api calls per month: 300 · mcp stock searches daily: Higher than Free; official pages conflict on 75 versus unlimited · +1 more
Free trial—14 days

Questions we keep getting

What's the difference between Global Factor Data (JKP Factors) and Uncle Stock?

Global Factor Data (JKP Factors) leans toward APIs & data feeds, quant, and data visualizations, while Uncle Stock puts more weight on screeners, backtesting, and data visualizations. They overlap in 2 categories, so for most people it comes down to workflow preference and price.

How much do Global Factor Data (JKP Factors) and Uncle Stock cost?

Good news: both Global Factor Data (JKP Factors) and Uncle Stock have free plans, so you can run them side by side and only pay if you hit a wall.

Which is better for beginners: Global Factor Data (JKP Factors) or Uncle Stock?

Uncle Stock is the friendlier place to start; its interface takes less getting used to. Both work fine once you're past the basics.

Does Global Factor Data (JKP Factors) or Uncle Stock have an API?

Uncle Stock has an API for programmatic access and custom integrations. Global Factor Data (JKP Factors) doesn't, so you're working through its interface.

Should I choose Global Factor Data (JKP Factors) or Uncle Stock?

It depends on what you're after. Pick Global Factor Data (JKP Factors) if quant and factor exposure matter to you; go with Uncle Stock if you'd rather have screeners and backtesting. And if you only need the basics both share, let price decide.

What asset classes do Global Factor Data (JKP Factors) and Uncle Stock cover?

Both cover stocks. Uncle Stock adds cryptos on top.

Can I export data from Global Factor Data (JKP Factors) and Uncle Stock?

Uncle Stock exports to CSV. Global Factor Data (JKP Factors) is stingier about getting data out.

Which has a better stock screener: Global Factor Data (JKP Factors) or Uncle Stock?

Uncle Stock has a stock screener for surfacing ideas; Global Factor Data (JKP Factors) doesn't, and focuses its energy elsewhere.

Can I track my portfolio with Global Factor Data (JKP Factors) or Uncle Stock?

Uncle Stock handles portfolio tracking. Global Factor Data (JKP Factors) is really a research tool; you'd track your portfolio elsewhere.

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