VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Sunday, October 19, 2025

View CatalystWire View OTC Markets Home My Collections

Head-to-head

CatalystWire vs OTC Markets comparison

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

Quick takeaways

OTC Markets includes Data APIs, Order Book / Level II, Ticker Changes, Splits, Dividends, APIs & SDKs, and Screeners categories that CatalystWire omits.

CatalystWire highlights: AI scanning of hundreds of RNS announcements per day to surface potential catalysts., Real‑time classification of market‑moving events as they are released., and UK‑centric focus aligned to LSE’s Regulatory News Service (Main Market & AIM)..

OTC Markets is known for: Real‑Time Level 1+ (inside bid/offer + trades) and Level 2+ (full quote book with market participant IDs) data products; Delayed Level 1+ on a 15‑minute basis; End‑of‑Day snapshots., Level 2 quote montage specification (fields: MPID, price, QAP, size, time‑of‑update) and display requirements., and Reference & pricing files (security master with optional CUSIP), plus End‑of‑Day pricing files; secure SFTP delivery supported..

OTC Markets keeps a free entry point that CatalystWire lacks.

CatalystWire

catalystwire.co

RNS-first discovery tool for UK equities. Uses AI to scan and categorize London Stock Exchange RNS announcements in real time (e.g., management changes, turnarounds). Best suited to event‑driven and small/mid‑cap investors tracking UK market catalysts. Public docs do not show a pricing table or API; fields left intentionally minimal pending vendor confirmation.

Platforms

Web

Pricing

Subscription

Quick highlights

AI scanning of hundreds of RNS announcements per day to surface potential catalysts.
Real‑time classification of market‑moving events as they are released.
UK‑centric focus aligned to LSE’s Regulatory News Service (Main Market & AIM).

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OTC Markets

otcmarkets.com

Primary operator and market data source for U.S. OTC equities via OTC Link ATS/ECN/NQB (SEC‑regulated ATSs). Commercial data products include Real‑Time Level 1+ (inside quote & trades), Level 2+ (full quote book with MPIDs), 15‑minute delayed Level 1+, End‑of‑Day, reference/security master, and compliance datasets (Blue Sky, Promotion/CE, Compliance Analytics). Delivery options include real‑time multicast feeds, SFTP/FTP files, and a REST Disclosure API. Website provides delayed quotes, corporate actions, screeners and issuer news (DNS).

Platforms

Web

API

Pricing

Free

Subscription

Quick highlights

Real‑Time Level 1+ (inside bid/offer + trades) and Level 2+ (full quote book with market participant IDs) data products; Delayed Level 1+ on a 15‑minute basis; End‑of‑Day snapshots.
Level 2 quote montage specification (fields: MPID, price, QAP, size, time‑of‑update) and display requirements.
Reference & pricing files (security master with optional CUSIP), plus End‑of‑Day pricing files; secure SFTP delivery supported.
Disclosure API (REST, JSON/CSV/XML) with app‑key auth; filter by symbol/CUSIP/company; document retrieval; plan‑level rate‑limit guidance.
Compliance & regulatory data: Blue Sky Data (state eligibility monitoring), Promotion Data file (Caveat Emptor/tier/share data), and Compliance Analytics (multi‑factor risk scoring).

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Overlap

Shared focus areas

2 overlaps

Mutual strengths include News, and Regulatory Filings Monitoring.

Where they differ

OTC Markets

Distinct strengths include:

Data APIs

Order Book / Level II

Real‑Time Level 1+ (inside bid/offer + trades) and Level 2+ (full quote book with market participant IDs) data products; Delayed Level 1+ on a 15‑minute basis; End‑of‑Day snapshots.
Level 2 quote montage specification (fields: MPID, price, QAP, size, time‑of‑update) and display requirements.
Reference & pricing files (security master with optional CUSIP), plus End‑of‑Day pricing files; secure SFTP delivery supported.
Disclosure API (REST, JSON/CSV/XML) with app‑key auth; filter by symbol/CUSIP/company; document retrieval; plan‑level rate‑limit guidance.

Feature-by-feature breakdown

Attribute	CatalystWire	OTC Markets
Categories Which research workflows each platform targets	Shared: News, Regulatory Filings Monitoring	Shared: News, Regulatory Filings Monitoring Unique: Data APIs, Order Book / Level II, Ticker Changes, Splits, Dividends, APIs & SDKs, Screeners
Asset types Supported asset classes and universes	Stocks	Stocks, Bonds
Experience levels Who each product is built for	Intermediate, Advanced	Beginner, Intermediate, Advanced
Platforms Where you can access the product	Web	Web, API
Pricing High-level pricing models	Subscription	Free, Subscription
Key features Core capabilities called out by each vendor	Unique AI scanning of hundreds of RNS announcements per day to surface potential catalysts. Real‑time classification of market‑moving events as they are released. UK‑centric focus aligned to LSE’s Regulatory News Service (Main Market & AIM).	Unique Real‑Time Level 1+ (inside bid/offer + trades) and Level 2+ (full quote book with market participant IDs) data products; Delayed Level 1+ on a 15‑minute basis; End‑of‑Day snapshots. Level 2 quote montage specification (fields: MPID, price, QAP, size, time‑of‑update) and display requirements. Reference & pricing files (security master with optional CUSIP), plus End‑of‑Day pricing files; secure SFTP delivery supported. Disclosure API (REST, JSON/CSV/XML) with app‑key auth; filter by symbol/CUSIP/company; document retrieval; plan‑level rate‑limit guidance. Compliance & regulatory data: Blue Sky Data (state eligibility monitoring), Promotion Data file (Caveat Emptor/tier/share data), and Compliance Analytics (multi‑factor risk scoring). Coverage of OTC Link ATS via MIC 'OTCM'; OTC Link ATS/ECN/NQB each operate as SEC‑regulated ATSs.
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 CatalystWire and OTC Markets both support?

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

Which tool offers a free plan?

OTC Markets offers a free entry point, while CatalystWire requires a paid subscription. Review the pricing table to see how the paid tiers compare.

How can you access CatalystWire and OTC Markets?

Both CatalystWire 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?

CatalystWire differentiates itself with AI scanning of hundreds of RNS announcements per day to surface potential catalysts., Real‑time classification of market‑moving events as they are released., and UK‑centric focus aligned to LSE’s Regulatory News Service (Main Market & AIM)., whereas OTC Markets stands out for Real‑Time Level 1+ (inside bid/offer + trades) and Level 2+ (full quote book with market participant IDs) data products; Delayed Level 1+ on a 15‑minute basis; End‑of‑Day snapshots., Level 2 quote montage specification (fields: MPID, price, QAP, size, time‑of‑update) and display requirements., and Reference & pricing files (security master with optional CUSIP), plus End‑of‑Day pricing files; secure SFTP delivery supported..

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