VOL. XCIV, NO. 247
★ BEST INVESTING TOOLS COMPARISON ★
NO ADVICE
Tuesday, January 6, 2026
Tool Comparison
OpenCorporates vs OTC Markets comparison
Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.
OpenCorporates
opencorporates.com
OTC Markets
otcmarkets.com
Comparison highlights
- Tool score: the chart below shows community vote sentiment over the last 8 weeks. Use it as a signal, not a verdict.
- Overlap: both cover Data APIs.
- Coverage tilt: OpenCorporates has 2 categories you won't get in OTC Markets; OTC Markets has 4 unique categories.
- Platforms: OpenCorporates runs on Web, API; OTC Markets runs on Web, API, Other.
Category leaders
- Screeners: OTC Markets is tagged for this workflow; OpenCorporates has no category votes yet.
- News: OTC Markets is tagged for this workflow; OpenCorporates has no category votes yet.
Vote sentiment comparison
Cumulative positive vote share. Loading fresh totals...
Side-by-side metrics
| Attribute | OpenCorporates | OTC Markets |
|---|---|---|
Asset types Supported asset classes and universes | Other | Stocks, Bonds |
Experience levels Who each product is built for | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Platforms Where you can access the product | Web, API | Web, API, Other |
Pricing High-level pricing models | Free, Subscription | Free, Subscription |
Tested Verified by hands-on testing inside Find My Moat | Not yet | Not yet |
Editor pick Featured inside curated shortlists | Standard listing | Standard listing |
Coverage overlap
OpenCorporates strengths
Categories covered by OpenCorporates but not OTC Markets.
OTC Markets strengths
Categories covered by OTC Markets but not OpenCorporates.
Frequently Asked Questions
Which workflows do OpenCorporates and OTC Markets both support?
Both platforms cover Data APIs workflows, so you can research those use cases in either tool before digging into the feature differences below.
Do OpenCorporates and OTC Markets require subscriptions?
Both OpenCorporates and OTC Markets keep freemium access with optional paid upgrades, so you can trial each platform before committing.
How can you access OpenCorporates and OTC Markets?
Both OpenCorporates and OTC Markets prioritize web or desktop access. Investors wanting a mobile-first workflow may need to rely on responsive web views.
What unique strengths set the two platforms apart?
OpenCorporates differentiates itself with 230M+ company records spanning 145+ jurisdictions, aggregated from 140+ official registries with full provenance and source links., Versioned REST API with JSON (default) or XML output; API keys required. Free tier provides up to 200 requests per month (50 per day)., and OpenRefine Reconciliation API allows entity-matching from company names to legal identifiers., whereas OTC Markets stands out for Public website for OTCQX, OTCQB, OTCID and Pink Limited markets with stock & bond quotes, trade prices, charts, financials and company news., Stock Screener (web UI) for OTC securities (page titled “OTC Markets Stock Screener”)., and Real-time multicast market data products (Level 1+, Level 2+, Reference Prices, plus Global OTC variants) delivering quote, trade and security reference data..
Other tools you might like
These profiles share overlapping coverage with both sides of this matchup.
- Fiscal.aiEditor's pickHands-on review
Overlap: Screeners, Improved Filings, and News.
ScreenersImproved FilingsNews - Interactive Brokers (IBKR)Editor's pickHands-on review
Overlap: Screeners, News, and Order Book / Level II.
ScreenersNewsOrder Book / Level II - Börsdata
Overlap: Screeners, Improved Filings, and News.
ScreenersImproved FilingsNews - FinancialReports.eu
Overlap: Improved Filings, Regulatory Filings Monitoring, and Data APIs.
Improved FilingsRegulatory Filings MonitoringData APIs - Fintel
Overlap: Improved Filings, Screeners, and News.
Improved FilingsScreenersNews - GuruFocusEditor's pickHands-on review
Overlap: Screeners, News, and Data APIs.
ScreenersNewsData APIs
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.