VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Thursday, December 4, 2025

Tool Comparison

Danelfin vs OpenCorporates comparison

Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.

Quick takeaways

Danelfin adds Stock Ideas, Screeners, Portfolio, Watchlist, Alerts, Scores, and ETF Overview coverage that OpenCorporates skips.

OpenCorporates includes Regulatory Filings Monitoring, and Other categories that Danelfin omits.

In depth comparison

Danelfin

danelfin.com

Hands-on review

AI-driven scoring and ranking platform for U.S.-listed stocks, ETFs, and the STOXX 600 in Europe. Offers Free, Plus, and Pro web tiers alongside API-only plans. Historical daily AI Scores are available back to 2017 for Pro/API users. Scores refresh end-of-day, typically about 15 hours after the U.S. close. CSV export and JSON API access are plan-gated.

Platforms

WebAPI

Pricing

FreeSubscription

Quick highlights

AI Score (1–10) estimates the probability of a stock or ETF outperforming the market over the next three months, based on daily analysis of ~10,000 features per stock across technical, fundamental, and sentiment data.
Coverage includes U.S.-listed stocks and ETFs as well as STOXX 600 European stocks, with historical daily AI Scores available since 2017.
REST API with API key authentication and JSON output. Endpoints include rankings, filters (date, ticker, sector, industry, asset type), buy/sell track record filters, and sector/industry breakdowns.
API plans (Basic, Expert, Elite) differ by monthly call quotas and rate limits — ranging from 1,000 to 50,000 calls per month.
Web tiers: Free, Plus, and Pro. Plus unlocks unlimited rankings and reports, while Pro adds CSV export of scores and indicators, historical AI Scores since 2017, alpha signals, trading parameters, and price forecasts (1M/3M/6M horizons).

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OpenCorporates

opencorporates.com

The world’s largest open database of legal entities, offering both a public-facing search and an API. Free access is available for personal or public-benefit use, while commercial API access and bulk datasets require a paid plan. Bulk deliveries are provided via SFTP in CSV format, and the platform includes a public status page for web, API, knowledge base, and SFTP availability.

Platforms

WebAPI

Pricing

FreeSubscription

Quick highlights

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).
OpenRefine Reconciliation API allows entity-matching from company names to legal identifiers.
Enterprise bulk access via SFTP, with six structured CSV datasets (Companies, Officers, Non-Registered Addresses, Alternative Names, Additional Identifiers, and Relationships).
Relationships dataset includes 30M+ links covering subsidiaries, branches, control statements, and shareholdings, with data from sources like the SEC and UK PSC.

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Where they differ

Danelfin

Distinct strengths include:

Stock Ideas Screeners Portfolio Watchlist Alerts Scores ETF Overview

AI Score (1–10) estimates the probability of a stock or ETF outperforming the market over the next three months, based on daily analysis of ~10,000 features per stock across technical, fundamental, and sentiment data.
Coverage includes U.S.-listed stocks and ETFs as well as STOXX 600 European stocks, with historical daily AI Scores available since 2017.
REST API with API key authentication and JSON output. Endpoints include rankings, filters (date, ticker, sector, industry, asset type), buy/sell track record filters, and sector/industry breakdowns.
API plans (Basic, Expert, Elite) differ by monthly call quotas and rate limits — ranging from 1,000 to 50,000 calls per month.

OpenCorporates

Distinct strengths include:

Regulatory Filings Monitoring Other

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).
OpenRefine Reconciliation API allows entity-matching from company names to legal identifiers.
Enterprise bulk access via SFTP, with six structured CSV datasets (Companies, Officers, Non-Registered Addresses, Alternative Names, Additional Identifiers, and Relationships).

Feature-by-feature breakdown

Attribute	Danelfin	OpenCorporates
Categories Which research workflows each platform targets	Shared: Data APIs Unique: Stock Ideas, Screeners, Portfolio, Watchlist, Alerts, Scores, ETF Overview	Shared: Data APIs Unique: Regulatory Filings Monitoring, Other
Asset types Supported asset classes and universes	Stocks, ETFs	Other
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
Pricing High-level pricing models	Free, Subscription	Free, Subscription
Key features Core capabilities called out by each vendor	Unique AI Score (1–10) estimates the probability of a stock or ETF outperforming the market over the next three months, based on daily analysis of ~10,000 features per stock across technical, fundamental, and sentiment data. Coverage includes U.S.-listed stocks and ETFs as well as STOXX 600 European stocks, with historical daily AI Scores available since 2017. REST API with API key authentication and JSON output. Endpoints include rankings, filters (date, ticker, sector, industry, asset type), buy/sell track record filters, and sector/industry breakdowns. API plans (Basic, Expert, Elite) differ by monthly call quotas and rate limits — ranging from 1,000 to 50,000 calls per month. Web tiers: Free, Plus, and Pro. Plus unlocks unlimited rankings and reports, while Pro adds CSV export of scores and indicators, historical AI Scores since 2017, alpha signals, trading parameters, and price forecasts (1M/3M/6M horizons). Portfolio management with daily email alerts on score upgrades or downgrades. Free users get one small portfolio; Plus supports multiple portfolios of up to 30 holdings each; Pro allows unlimited portfolios and holdings.	Unique 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). OpenRefine Reconciliation API allows entity-matching from company names to legal identifiers. Enterprise bulk access via SFTP, with six structured CSV datasets (Companies, Officers, Non-Registered Addresses, Alternative Names, Additional Identifiers, and Relationships). Relationships dataset includes 30M+ links covering subsidiaries, branches, control statements, and shareholdings, with data from sources like the SEC and UK PSC. Data acquisition ranges from hourly to quarterly; registry ingestion checks run every 5 minutes. Bulk deliveries are typically no more than one month behind official registries.
Tested Verified by hands-on testing inside Find My Moat	Yes	Not yet
Editor pick Featured inside curated shortlists	Standard listing	Standard listing

Frequently Asked Questions

Which workflows do Danelfin and OpenCorporates 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 Danelfin and OpenCorporates require subscriptions?

Both Danelfin and OpenCorporates keep freemium access with optional paid upgrades, so you can trial each platform before committing.

How can you access Danelfin and OpenCorporates?

Both Danelfin and OpenCorporates 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?

Danelfin differentiates itself with AI Score (1–10) estimates the probability of a stock or ETF outperforming the market over the next three months, based on daily analysis of ~10,000 features per stock across technical, fundamental, and sentiment data., Coverage includes U.S.-listed stocks and ETFs as well as STOXX 600 European stocks, with historical daily AI Scores available since 2017., and REST API with API key authentication and JSON output. Endpoints include rankings, filters (date, ticker, sector, industry, asset type), buy/sell track record filters, and sector/industry breakdowns., whereas OpenCorporates stands out for 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..

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