VOL. XCIV, NO. 247
BEST INVESTING TOOLS COMPARISON
Tool details checked August 23, 2026
Tool Comparison
GuruFocus vs InsideArbitrage
Start here
GuruFocus
Free • From $549/yr · Web · Mobile · API
- You want the cheaper way in: plans start at $45.75/mo instead of $100/mo
- You do a lot of your research from your phone
- You want an API so you can script or automate things
Pick InsideArbitrage instead if
InsideArbitrage
Free • From $100/mo · Web
- You want regulatory filings monitoring and playbooks & case studies.
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
GuruFocus and InsideArbitrage cover a lot of the same ground (15 shared categories, including screeners, data visualizations, and portfolio), so for the basics you won't go far wrong with either. GuruFocus simply does more: 49 categories to InsideArbitrage's 17, including stock ideas, ETF screeners, and top analysts, plus a mobile app. InsideArbitrage counters by keeping things simpler.
What readers say
GuruFocus
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InsideArbitrage
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Key differences at a glance
- Cheaper paid plan
- GuruFocus$45.75/mo vs $100/mo
- Free trial
- GuruFocus7 days
- Broader coverage
- GuruFocus49 vs 17 categories
- Mobile app
- GuruFocus
- API access
- GuruFocus
- Broker sync
- GuruFocus
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 | Free • From $549/yr | Free • From $100/mo |
Free tier | Yes | Yes |
Free trial | 7 days | — |
Plan limits | 49 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 +47 more | — |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | Yes | No |
API access | Yes | No |
Broker sync | Yes | No |
Integrations | GuruFocus Data API, GuruFocus MCP Server +3 more | — |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | Retail Traders, Pro Retail +9 more | — |
Categories covered | 49 | 17 |
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 | 9 signals: Custom formulas, Ranking backtests +7 more | Universe builder |
Security | Status page and Encryption in transit | — |
| Try it | Visit GuruFocus | Visit InsideArbitrage |
Where each one shines
What GuruFocus and InsideArbitrage each do best.ShowHide
Where each one shines
What GuruFocus and InsideArbitrage each do best.What GuruFocus does best
- Research coverage for global stocks with long historical financials, valuation data, charts, comparisons, market valuation indicators, economic indicators, industry data, and company-level fundamentals.
- The All-in-One Screener with hundreds of filters across fundamentals, valuation, profitability, growth, dividends, guru holdings, insider trades, predefined value screens, custom filters, saved screens, and downloads.
- ETF Screener and ETF GF Scores for filtering and comparing more than 5,000 U.S.
- Corporate and government bond screening by yield, maturity, ratings, coupon structure, outstanding amount, issuer, and industry, plus company-level bond tabs.
- Backtest screener strategies across many countries with configurable stock count, ranking metric, sort order, date range, and rebalance frequency; current membership terms give Premium the latest five years and Premium Plus/Professional history back to 2006.
What InsideArbitrage does best
- Track announced mergers, spreads, calendars, deal updates and potential deals.
- Filter news, SEC filings and social posts for premium tracked-deal symbols.
- Research insider activity through transaction pages, weekly articles, cluster-buy screens and insider rankings.
- Follow buybacks, spinoffs, CVRs, tender offers, reverse splits, activist campaigns and management changes.
- Use 13F, 13D, 13G and Form 4 data for institutional and insider ownership context.
Every detail we compared
Every tracked attribute for GuruFocus and InsideArbitrage, side by side.ShowHide
Every detail we compared
Every tracked attribute for GuruFocus and InsideArbitrage, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFsBondsMutual FundsOptionsFundsOther | StocksETFs |
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 | Identifiers: Ticker and CIK |
| 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 MCP ServerGuruFocus Excel Add-inGuruFocus Google Sheets Add-onSnapTrade | 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 curvesCredit ratings+1 more | Universe builder |
Vendor & support | GuruFocus.com, LLCCountry: United StatesFounded 2004Support: Email, Chat, Phone, and Forum | InsideArbitrageSupport: Email |
Curation ratings | Not specified | Methodology 3/5Reliability 3/5UX 4/5 |
Green tags are exclusive to that tool in this comparison.
What you'll actually pay
Plans, billing, trials, and per-month pricing for both tools.ShowHide
What you'll actually pay
Plans, billing, trials, and per-month pricing for both tools.| Tier | ||
|---|---|---|
| Free plan | Freeportfolio 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 | Free“Public Articles and Data” |
| Entry paid plan | $549/yr≈ $45.75/mo“Premium”billing: Annual only · data api requests: 200/month included with Premium membership · +2 more | $100/mo“Premium - Annual” |
| Tier 2 | $1398/yr≈ $116.50/mo“Premium Plus”billing: Annual only · data api requests: 500/month included with Premium Plus membership · +2 more | $150/mo“Premium - Monthly” |
| Tier 3 | $200/mo“Data API Builder”billing: Billed annually · monthly request limit: No limit · +12 more | — |
| Tier 4 | $2448/yr≈ $204/mo“Professional”billing: Annual only · data api requests: 2,000/month included with Professional membership | — |
| Tier 5 | $2000/mo“Data API Commercial”billing: Billed annually · monthly request limit: No limit · +1 more | — |
| Top plan | $100 per unit“Data API Pay As You Go”initial top up: $100 credit · stock daily prices: $0.05/request · +16 more | — |
| Custom / enterprise | Contact sales“Custom API / Enterprise Package” | — |
| Free trial | 7 days | — |
Questions we keep getting
What's the difference between GuruFocus and InsideArbitrage?
GuruFocus leans toward stock ideas, screeners, and ETF screeners, while InsideArbitrage puts more weight on news, alerts, and calendar. They overlap in 15 categories, so for most people it comes down to workflow preference and price.
How much do GuruFocus and InsideArbitrage cost?
Good news: both GuruFocus and InsideArbitrage have free plans, so you can run them side by side and only pay if you hit a wall.
Can I use GuruFocus or InsideArbitrage on my phone?
GuruFocus lists a dedicated mobile app, so it travels better. InsideArbitrage doesn't list a dedicated mobile app; its documented access is web.
Does GuruFocus or InsideArbitrage have an API?
GuruFocus has an API for programmatic access and custom integrations. InsideArbitrage doesn't, so you're working through its interface.
Should I choose GuruFocus or InsideArbitrage?
It depends on what you're after. Pick GuruFocus if stock ideas and ETF screeners matter to you; go with InsideArbitrage if you'd rather have regulatory filings monitoring and playbooks & case studies. And if you only need the basics both share, let price decide.
What asset classes do GuruFocus and InsideArbitrage cover?
Both cover stocks and ETFs. GuruFocus also handles bonds, mutual funds, and options.
Can I export data from GuruFocus and InsideArbitrage?
GuruFocus exports to CSV and Excel. InsideArbitrage is stingier about getting data out.
Can GuruFocus or InsideArbitrage connect to my broker?
GuruFocus syncs with brokers automatically. With InsideArbitrage, you're entering holdings by hand or importing files.
Which has a better stock screener: GuruFocus or InsideArbitrage?
Both GuruFocus and InsideArbitrage 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 GuruFocus or InsideArbitrage?
Yes, both do portfolio tracking: holdings, performance, and allocation in one place.
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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.