VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Thursday, October 30, 2025

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Tool Comparison

Capitol Trades vs OpenCorporates comparison

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

Quick takeaways

Capitol Trades adds US Government Trades, Newsletters, and Blogs coverage that OpenCorporates skips.

OpenCorporates includes Data APIs, and Other categories that Capitol Trades omits.

In depth comparison

Capitol Trades

capitoltrades.com

Free, public dashboard tracking U.S. politicians’ trade disclosures under the STOCK Act. Near real‑time postings of newly published disclosures, with rich filters (chamber, party, committee, state, asset type, transaction type, trade size, sector, etc.). Asset coverage spans stocks, ETFs, mutual funds, bonds (incl. munis/USTs), options, and crypto. Operated by 2iQ Research.

Platforms

Web

Pricing

Free

Quick highlights

Near real‑time publication of newly disclosed trades and analytics.
Comprehensive filters: chamber (Senate/House), party, committee, state, asset type, transaction type, size, issuer country/sector and more.
Politician pages with bios, committee memberships, tweets, trading activity and preferred sectors; issuer pages with frequent‑trader stats.
Coverage includes bonds (e.g., municipal/UST) and crypto transactions, alongside equities and funds.
Weekly email newsletter; active X/Twitter feed with immediate updates.

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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

Capitol Trades

Distinct strengths include:

US Government Trades Newsletters Blogs

Near real‑time publication of newly disclosed trades and analytics.
Comprehensive filters: chamber (Senate/House), party, committee, state, asset type, transaction type, size, issuer country/sector and more.
Politician pages with bios, committee memberships, tweets, trading activity and preferred sectors; issuer pages with frequent‑trader stats.
Coverage includes bonds (e.g., municipal/UST) and crypto transactions, alongside equities and funds.

OpenCorporates

Distinct strengths include:

Data APIs 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	Capitol Trades	OpenCorporates
Categories Which research workflows each platform targets	Shared: Regulatory Filings Monitoring Unique: US Government Trades, Newsletters, Blogs	Shared: Regulatory Filings Monitoring Unique: Data APIs, Other
Asset types Supported asset classes and universes	Stocks, ETFs, Mutual Funds, Bonds, Options, Cryptos	Other
Experience levels Who each product is built for	Beginner, Intermediate, Advanced	Beginner, Intermediate, Advanced
Platforms Where you can access the product	Web	Web, API
Pricing High-level pricing models	Free	Free, Subscription
Key features Core capabilities called out by each vendor	Unique Near real‑time publication of newly disclosed trades and analytics. Comprehensive filters: chamber (Senate/House), party, committee, state, asset type, transaction type, size, issuer country/sector and more. Politician pages with bios, committee memberships, tweets, trading activity and preferred sectors; issuer pages with frequent‑trader stats. Coverage includes bonds (e.g., municipal/UST) and crypto transactions, alongside equities and funds. Weekly email newsletter; active X/Twitter feed with immediate updates. Site shows up to 3 years of history (full archive available via 2iQ enterprise products).	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	Not yet	Not yet
Editor pick Featured inside curated shortlists	Standard listing	Standard listing

Frequently Asked Questions

Which workflows do Capitol Trades and OpenCorporates both support?

Both platforms cover Regulatory Filings Monitoring workflows, so you can research those use cases in either tool before digging into the feature differences below.

Do Capitol Trades and OpenCorporates require subscriptions?

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

How can you access Capitol Trades and OpenCorporates?

Both Capitol Trades 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?

Capitol Trades differentiates itself with Near real‑time publication of newly disclosed trades and analytics., Comprehensive filters: chamber (Senate/House), party, committee, state, asset type, transaction type, size, issuer country/sector and more., and Politician pages with bios, committee memberships, tweets, trading activity and preferred sectors; issuer pages with frequent‑trader stats., 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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