★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Tool comparison edition
Tool Comparison
GuruFocus vs r/SecurityAnalysis - Letters Wiki
GuruFocus
Best for stock ideas and screeners
Free • From $549/yr
r/SecurityAnalysis - Letters Wiki
Best for playbooks & case studies
Free
Outbound links may include affiliate or sponsor codes.
The verdict
The bottom line
GuruFocus and r/SecurityAnalysis - Letters Wiki cover a lot of the same ground (3 shared categories, education, forums, and newsletters), so for the basics you won't go far wrong with either. GuruFocus simply does more: 48 categories to r/SecurityAnalysis - Letters Wiki's 4, including stock ideas, screeners, and ETF screeners, plus a mobile app. r/SecurityAnalysis - Letters Wiki counters by being completely free.
Key differences at a glance
- Mobile app
- GuruFocus
- Free trial
- GuruFocus7 days
- Broader coverage
- GuruFocus48 vs 4 categories
- API access
- GuruFocus
- Asset coverage
- GuruFocusAdds stocks and ETFs
- Free plan
- Both
Choose
GuruFocus if…
- You do a lot of your research from your phone
- You want an API so you can script or automate things
- You care about stock ideas, screeners, and ETF screeners, things r/SecurityAnalysis - Letters Wiki doesn't offer
- You're a long-term investor who cares more about fundamentals than headlines
Choose
r/SecurityAnalysis - Letters Wiki if…
- You care about playbooks & case studies, something GuruFocus doesn't offer
Comparison snapshot
| Attribute | ||
|---|---|---|
| Pricing & plans | ||
Starting price | Free • From $549/yr | Free |
Free tier | Yes | Yes |
Free trial | 7 days | — |
Plan limits | 38 limits: Free: portfolio limit: Up to 3 portfolios with 25 stocks each for free members, Free: data api requests: 100/month included in the Free API package +36 more | — |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | Yes | No |
API access | Yes | No |
Broker sync | Yes | — |
Integrations | GuruFocus Data API, GuruFocus Excel Add-in +6 more | — |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | Retail Traders, Pro Retail +9 more | — |
Categories covered | 48 | 4 |
Regions | North America, Europe, APAC, LatAm, Middle East, Africa | — |
| Data & capabilities | ||
Data quality | 5 signals: Latency: End of Day, Granularity: EOD +3 more | — |
Data partners | 5 partners: QuoteMedia, Morningstar +3 more | — |
Capabilities | 8 signals: Custom formulas, Ranking backtests +6 more | — |
Security | Status page and Encryption in transit | — |
| Try it | Visit GuruFocus | Visit r/SecurityAnalysis - Letters Wiki |
Standout features
What GuruFocus does best
- Global value-investing research platform with historical financial and valuation data, screeners, charts, comparisons, institutional-investor trading histories, executive trading histories, market valuation data, economic indicators, and industry indicators.
- Large global coverage footprint: GuruFocus says it serves more than 1 million users worldwide, covers 100,000 stocks in 100 markets, tracks 8,000+ institutional investors’ trading histories, and tracks 15,000+ mutual fund holdings; API documentation separately describes 60,000+ companies across 9 regions.
- All-in-One Screener with 500+ filters across fundamentals, valuation, profitability, growth, dividends, guru holdings, insider trades, predefined value screens, custom filters, saved screens, downloadable results, and portfolio workflow integration.
- Screener backtesting for more than 80 countries, with U.S. backtests starting January 1, 2006 and non-U.S. country backtests generally starting January 1, 2016; parameters include stock count, ranking metric, sort order, start/end date, and rebalance frequency.
- GuruFocus states that screener backtests are designed to be free of survivorship bias by considering historical mergers, acquisitions, spin-offs, and delistings.
What r/SecurityAnalysis - Letters Wiki does best
- Chronological index of letters grouped by year and quarter (2016→present in the wiki), with active quarterly subreddit threads such as Q1 2026 Letters & Reports.
- Publicly readable wiki page with edit permissions restricted to approved users/moderators.
- ‘Others’ section pointing to classic collections (e.g., Austin Value, Nomad Partnership, Peter Lynch).
- Direct outbound links to the letters on manager sites; useful for primary-source research.
Data & access details
| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFsBondsMutual FundsOptionsFundsOther | Other |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Target audience | Retail TradersPro RetailLong-term InvestorsValue InvestorsQuality InvestorsDividend InvestorsAnalystsQuants/Developers+3 more | Not specified |
Regions | North AmericaEuropeAPACLatAmMiddle EastAfrica | Not specified |
Coverage details | Identifiers: Ticker and CIK | Not specified |
| Data | ||
Data freshness | End of Day | Not specified |
Data granularity | EOD | Not specified |
Pricing sources | ExchangeVendorModel | Not specified |
Data partners | QuoteMediaMorningstarRefinitivFREDSEC / local regulators | Not specified |
| Access & integrations | ||
API protocols | REST | Not specified |
API auth & delivery | Auth: APIKeySDKs: Python and GoDocs | Not specified |
Import methods | CSVBrokerOAuthManual | Not specified |
Integrations | GuruFocus Data APIGuruFocus Excel Add-inGuruFocus Google Sheets Add-onSnapTradeSchwabFidelityRobinhoodInteractive Brokers | Not specified |
Export formats | CSVExcelJSON | Not specified |
| Plans & trust | ||
Security & compliance | Status pageEncryption in transit | Not specified |
Capability signals | Custom formulasRanking backtestsUniverse builderFactors: Value, Quality, Momentum, and GrowthBroker syncMulti-currencyYield curvesAI summaries: Transcripts | Not specified |
Vendor & support | GuruFocus.com, LLCCountry: United StatesFounded 2004Support: Email, Chat, Phone, and Forum | r/SecurityAnalysis (Reddit community)Support: Forum |
Curation ratings | Not specified | Methodology 3/5Reliability 3/5UX 3/5 |
Green tags are exclusive to that tool in this comparison.
Pricing breakdown
$549/yr
Starting price
Plans & pricing
- portfolio limit: Up to 3 portfolios with 25 stocks each for free members
- data api requests: 100/month included in the Free API package
- +1 more
- billing: Annual only
- data api requests: 200/month included with Premium membership
- +2 more
- billing: Annual only
- data api requests: 500/month included with Premium Plus membership
- +2 more
- billing: Annual only
- data api requests: 2,000/month included with Professional membership
- requests: 100/month
- billing: Billed annually
- canada add on: $100/month
- +8 more
- billing: Billed annually
- initial top up: $100 credit
- company profile: $0.10/request
- +11 more
Free
Lower starting price
Plans & pricing
Coverage overlap
Shared categories
3Where the two tools cover the same ground.
GuruFocus strengths
45What you only get with GuruFocus.
r/SecurityAnalysis - Letters Wiki strengths
1What you only get with r/SecurityAnalysis - Letters Wiki.
Community category leaders
Vote sentiment comparison
Loading sentiment chart...
Frequently Asked Questions
What's the difference between GuruFocus and r/SecurityAnalysis - Letters Wiki?
GuruFocus leans toward stock ideas, screeners, and ETF screeners, while r/SecurityAnalysis - Letters Wiki puts more weight on education, forums, and playbooks & case studies. They overlap in 3 categories, so for most people it comes down to workflow preference and price.
How much do GuruFocus and r/SecurityAnalysis - Letters Wiki cost?
Good news: both GuruFocus and r/SecurityAnalysis - Letters Wiki have free plans, so you can run them side by side and only pay if you hit a wall.
Can I use GuruFocus or r/SecurityAnalysis - Letters Wiki on my phone?
GuruFocus lists a dedicated mobile app, so it travels better. r/SecurityAnalysis - Letters Wiki doesn't list a dedicated mobile app; its documented access is web.
Does GuruFocus or r/SecurityAnalysis - Letters Wiki have an API?
GuruFocus has an API for programmatic access and custom integrations. r/SecurityAnalysis - Letters Wiki doesn't, so you're working through its interface.
Should I choose GuruFocus or r/SecurityAnalysis - Letters Wiki?
It depends on what you're after. Pick GuruFocus if stock ideas and screeners matter to you; go with r/SecurityAnalysis - Letters Wiki if you'd rather have playbooks & case studies. And if you only need the basics both share, let price decide.
What asset classes do GuruFocus and r/SecurityAnalysis - Letters Wiki cover?
Both cover other. GuruFocus also handles stocks, ETFs, and bonds.
Can I export data from GuruFocus and r/SecurityAnalysis - Letters Wiki?
GuruFocus exports to CSV and Excel. r/SecurityAnalysis - Letters Wiki is stingier about getting data out.
Which has a better stock screener: GuruFocus or r/SecurityAnalysis - Letters Wiki?
GuruFocus has a stock screener for surfacing ideas; r/SecurityAnalysis - Letters Wiki doesn't, and focuses its energy elsewhere.
Can I track my portfolio with GuruFocus or r/SecurityAnalysis - Letters Wiki?
GuruFocus handles portfolio tracking. r/SecurityAnalysis - Letters Wiki is really a research tool; you'd track your portfolio elsewhere.
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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.