VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Thursday, December 4, 2025

Tool Comparison

Alpha Vantage vs OpenCorporates comparison

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

Quick takeaways

Alpha Vantage adds News, News Sentiment, Calendar, Dividends, Splits, IPO, Delisted, Inflation Rates, Unemployment Rates, GDP, Interest Rates, Options & Derivatives, ETF Holdings, Transcripts, Insider Data, APIs & SDKs, and Sheets / Excel Add-ins coverage that OpenCorporates skips.

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

In depth comparison

Alpha Vantage

alphavantage.co

Hands-on review

REST APIs delivering global market data in JSON and CSV. The free tier allows 25 requests per day, while premium plans remove limits and unlock real-time and 15-minute delayed US equities plus real-time US options. Entitlements and account management are handled through the Alpha X Terminal.

Platforms

WebAPI

Pricing

FreeSubscription

Quick highlights

Equity time series for global stocks (intraday down to 1-minute, plus daily/weekly/monthly) with 20+ years of history, including pre- and post-market support and adjustment toggles for splits and dividends.
US options coverage with real-time and historical data spanning over 15 years, including optional greeks and implied volatility outputs in JSON or CSV.
Fundamentals and corporate actions such as company overviews, financials, dividends, splits, plus ETF profiles and holdings.
Corporate calendars: earnings announcements, IPO schedules, listings, and delisting status.
Alpha Intelligence datasets with market news and sentiment, earnings call transcripts, insider transactions, and daily gainers/losers.

Community votes (overall)

0% upvotes 0% downvotes

You haven't voted yet

View full profile Visit site

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.

Community votes (overall)

0% upvotes 0% downvotes

You haven't voted yet

View full profile Visit site

Where they differ

Alpha Vantage

Distinct strengths include:

News News Sentiment Calendar Dividends Splits IPO Delisted Inflation Rates

Equity time series for global stocks (intraday down to 1-minute, plus daily/weekly/monthly) with 20+ years of history, including pre- and post-market support and adjustment toggles for splits and dividends.
US options coverage with real-time and historical data spanning over 15 years, including optional greeks and implied volatility outputs in JSON or CSV.
Fundamentals and corporate actions such as company overviews, financials, dividends, splits, plus ETF profiles and holdings.
Corporate calendars: earnings announcements, IPO schedules, listings, and delisting status.

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	Alpha Vantage	OpenCorporates
Categories Which research workflows each platform targets	Shared: Data APIs Unique: News, News Sentiment, Calendar, Dividends, Splits, IPO, Delisted, Inflation Rates, Unemployment Rates, GDP, Interest Rates, Options & Derivatives, ETF Holdings, Transcripts, Insider Data, APIs & SDKs, Sheets / Excel Add-ins	Shared: Data APIs Unique: Regulatory Filings Monitoring, Other
Asset types Supported asset classes and universes	Stocks, ETFs, Options, Currencies, Cryptos, Commodities, Mutual Funds	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 Equity time series for global stocks (intraday down to 1-minute, plus daily/weekly/monthly) with 20+ years of history, including pre- and post-market support and adjustment toggles for splits and dividends. US options coverage with real-time and historical data spanning over 15 years, including optional greeks and implied volatility outputs in JSON or CSV. Fundamentals and corporate actions such as company overviews, financials, dividends, splits, plus ETF profiles and holdings. Corporate calendars: earnings announcements, IPO schedules, listings, and delisting status. Alpha Intelligence datasets with market news and sentiment, earnings call transcripts, insider transactions, and daily gainers/losers. Coverage across FX and crypto exchange rates (including intraday), commodities (oil, metals, agriculture), and US macro indicators like GDP, CPI, interest rates, and unemployment.	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 Alpha Vantage 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 Alpha Vantage and OpenCorporates require subscriptions?

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

How can you access Alpha Vantage and OpenCorporates?

Both Alpha Vantage 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?

Alpha Vantage differentiates itself with Equity time series for global stocks (intraday down to 1-minute, plus daily/weekly/monthly) with 20+ years of history, including pre- and post-market support and adjustment toggles for splits and dividends., US options coverage with real-time and historical data spanning over 15 years, including optional greeks and implied volatility outputs in JSON or CSV., and Fundamentals and corporate actions such as company overviews, financials, dividends, splits, plus ETF profiles and holdings., 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..

Keep exploring

Stay on top of related tools

Browse the categories and profiles that overlap most with this comparison to round out your shortlist.