★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Source check: Validea checked June 25, 2026
Tool Comparison
Uncle Stock vs Validea
Uncle Stock
Best for data visualizations and institutional ownership
Free • From $130/yr
Validea
Best for stock ideas and ETF screeners
Free • Contact for pricing
Outbound links may include affiliate or sponsor codes.
The verdict
The bottom line
Uncle Stock and Validea cover a lot of the same ground (7 shared categories, including screeners, backtesting, and financials), so for the basics you won't go far wrong with either. Validea simply does more: 15 categories to Uncle Stock's 11, including stock ideas, ETF screeners, and quant. Uncle Stock counters by keeping things simpler.
Key differences at a glance
- Global coverage
- Uncle Stock
- Free trial
- Uncle Stock14 days
- Broader coverage
- Validea15 vs 11 categories
- API access
- Uncle Stock
- Beginner friendly
- Uncle Stock
- Free plan
- Both
Choose
Uncle Stock if…
- You want an API so you can script or automate things
- You care about data visualizations, institutional ownership, and watchlist, things Validea doesn't offer
- You're newer to investing and want something approachable
Choose
Validea if…
- You care about stock ideas, ETF screeners, and quant, things Uncle Stock doesn't offer
Comparison snapshot
| Attribute | ||
|---|---|---|
| Pricing & plans | ||
Starting price | Free • From $130/yr | Free • Contact for pricing |
Free tier | Yes | Yes |
Free trial | 14 days | — |
Plan limits | 10 limits: Bronze (Monthly): history years: 25, Bronze (Monthly): us history years: 35 +8 more | — |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | No |
API access | Yes | No |
Broker sync | No | No |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Intermediate, Advanced |
Best for | Retail Traders, Pro Retail +2 more | Retail Traders, Pro Retail +5 more |
Categories covered | 11 | 15 |
Regions | North America, Europe, APAC, LatAm, Middle East, Africa | North America |
| Data & capabilities | ||
Data quality | Granularity: EOD | Latency: End of Day and Granularity: EOD |
Data partners | Sharadar and Financial Modeling Prep | LSEG |
Capabilities | Universe builder | 6 signals: Ranking backtests, Universe builder +4 more |
| Try it | Visit Uncle Stock | Visit Validea |
Standout features
What Uncle Stock does best
- Screen more than 100,000 global stocks across regions and market caps using more than 2,000 fundamental and valuation metrics.
- Use guru-inspired models and screens based on investors such as Buffett, Graham, and Lynch, with plan-dependent advice, scores, and price-target metrics.
- Build screens with metric conditions, Must/Should/Exclude clauses, and Silver-plus multi-criteria composite ranking.
- Backtest fundamental screens with yearly rebalancing on Silver, then quarterly and half-yearly rebalancing on Gold.
- Configure backtests with sector caps, rebalance strategies, early-sell or stop-loss rules, and multiple position-sizing methods.
What Validea does best
- Review stock portfolios based on Buffett, Graham, Lynch, Piotroski, Greenblatt, O'Shaughnessy, momentum, quality, value, and other strategies.
- Use ETF model portfolios, risk-managed ETF portfolios, sector rotation, factor rotation, and macro/factor approaches.
- Open factor reports, guru analysis, guru stock screeners, ETF factor reports, and ETF factor screeners.
- Use trend following, market valuation, rating changes, strategy/ETF matching, and portfolio correlation tools.
- Browse public popular stock and ETF screens such as high Piotroski F-score, high quality, cheap value, high momentum, and multi-factor screens.
Data & access details
| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksCryptos | StocksETFs |
Experience | BeginnerIntermediateAdvanced | IntermediateAdvanced |
Target audience | Retail TradersPro RetailLong-term InvestorsValue Investors | Retail TradersPro RetailLong-term InvestorsValue InvestorsQuality InvestorsQuants/DevelopersStudents/Researchers |
Regions | North AmericaEuropeAPACLatAmMiddle EastAfrica | North America |
Coverage details | Identifiers: Ticker | Countries: US and CAIdentifiers: Ticker |
| Data | ||
Data freshness | Not specified | End of Day |
Data granularity | EOD | EOD |
Data partners | SharadarFinancial Modeling Prep | LSEG |
| Access & integrations | ||
API protocols | REST | Not specified |
API auth & delivery | Auth: APIKeyDocs | Not specified |
Import methods | Manual | Not specified |
Export formats | CSV | Not specified |
| Plans & trust | ||
Capability signals | Universe builder | Ranking backtestsUniverse builderFactors: Value, Quality, Momentum, Growth, and LowVolFactor exposurePortfolio factor exposureCorrelation |
Vendor & support | Castlefish BVCountry: BelgiumSupport: Chat, Email, Phone, and Forum | The Reese Group, LLCCountry: United StatesSupport: Email |
Green tags are exclusive to that tool in this comparison.
Pricing breakdown
$130/yr
Starting price
Plans & pricing
- history years: 25
- us history years: 35
- history years: 25
- us history years: 35
- backtest rebalance: Yearly
- backtest rebalance: Yearly
- api calls per month: 300
- backtest rebalance: Quarterly/Half-yearly
- api calls per month: 300
- backtest rebalance: Quarterly/Half-yearly
Free
Lower starting price
Plans & pricing
Coverage overlap
Shared categories
7Where the two tools cover the same ground.
Uncle Stock strengths
4What you only get with Uncle Stock.
Validea strengths
8What you only get with Validea.
Community category leaders
Vote sentiment comparison
Loading sentiment chart...
Frequently Asked Questions
What's the difference between Uncle Stock and Validea?
Uncle Stock leans toward screeners, backtesting, and data visualizations, while Validea puts more weight on stock ideas, screeners, and ETF screeners. They overlap in 7 categories, so for most people it comes down to workflow preference and price.
How much do Uncle Stock and Validea cost?
Good news: both Uncle Stock and Validea have free plans, so you can run them side by side and only pay if you hit a wall.
Which is better for beginners: Uncle Stock or Validea?
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 Uncle Stock or Validea have an API?
Uncle Stock has an API for programmatic access and custom integrations. Validea doesn't, so you're working through its interface.
Should I choose Uncle Stock or Validea?
It depends on what you're after. Pick Uncle Stock if data visualizations and institutional ownership matter to you; go with Validea if you'd rather have stock ideas and ETF screeners. And if you only need the basics both share, let price decide.
What asset classes do Uncle Stock and Validea cover?
Both cover stocks. Uncle Stock also handles cryptos. Validea adds ETFs on top.
Which covers international markets: Uncle Stock or Validea?
Uncle Stock has documented international coverage (North America, Europe, APAC, LatAm, and more), so it's the safer bet if you hold non-US stocks. Validea is more region-specific, mainly North America.
Can I export data from Uncle Stock and Validea?
Uncle Stock exports to CSV. Validea is stingier about getting data out.
Are Uncle Stock and Validea good for long-term investing?
Yes, both are aimed squarely at long-term investors. Compare their coverage, workflow, and price before assuming they solve the same long-term research job.
Which has a better stock screener: Uncle Stock or Validea?
Both Uncle Stock and Validea 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 Uncle Stock or Validea?
Yes, both do portfolio tracking: holdings, performance, and allocation in one place.
Other tools you might like
These profiles share overlapping coverage with both sides of this matchup.
Keep Exploring
Global rankings of the highest-rated tools across all categories.
Ranked list of companies with durable competitive advantages.
Proven models entering their growth phase with solid economics.
Track votes, sentiment, and engagement across the community.
Learn moat types, red flags, and real-company examples.
Browse other head-to-head tool comparisons and alternatives.
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.