VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Tuesday, November 11, 2025

Tool Comparison

OTC Markets vs Tiingo comparison

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

Quick takeaways

OTC Markets adds Order Book / Level II, Ticker Changes, Regulatory Filings Monitoring, and Screeners coverage that Tiingo skips.

In depth comparison

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

WebAPI

Pricing

FreeSubscription

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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Tiingo

tiingo.com

Flat-rate market data platform with simple, transparent plans. Tiingo provides end-of-day and real-time APIs for equities, mutual funds, ETFs, forex, and crypto, alongside corporate actions, fundamentals, and news. Plans range from a free Starter tier to affordable paid subscriptions, with usage limits and data history varying by plan. Enterprise or commercial use is supported via higher tiers.

Platforms

WebAPI

Pricing

FreeSubscription

Quick highlights

End-of-day (EOD) price API with proprietary error-checking and broad historical coverage.
Coverage spans 65,000+ US stocks, ETFs, mutual funds, ADRs, plus Chinese equities with 50+ years of history.
Corporate actions API for dividends and splits, including both historical and announced events.
IEX real-time equity feed with tick-level data via REST and WebSocket.
Forex API with real-time and historical data for 140+ currency pairs.

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Where they differ

OTC Markets

Distinct strengths include:

Order Book / Level II Ticker Changes Regulatory Filings Monitoring Screeners

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	OTC Markets	Tiingo
Categories Which research workflows each platform targets	Shared: Data APIs, News, Splits, Dividends, APIs & SDKs Unique: Order Book / Level II, Ticker Changes, Regulatory Filings Monitoring, Screeners	Shared: Data APIs, News, Splits, Dividends, APIs & SDKs
Asset types Supported asset classes and universes	Stocks, Bonds	Stocks, ETFs, Mutual Funds, Cryptos, Currencies
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 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.	Unique End-of-day (EOD) price API with proprietary error-checking and broad historical coverage. Coverage spans 65,000+ US stocks, ETFs, mutual funds, ADRs, plus Chinese equities with 50+ years of history. Corporate actions API for dividends and splits, including both historical and announced events. IEX real-time equity feed with tick-level data via REST and WebSocket. Forex API with real-time and historical data for 140+ currency pairs. Crypto API aggregating data from multiple exchanges, with REST and WebSocket endpoints.
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 OTC Markets and Tiingo both support?

Both platforms cover Data APIs, News, Splits, Dividends, and APIs & SDKs workflows, so you can research those use cases in either tool before digging into the feature differences below.

Do OTC Markets and Tiingo require subscriptions?

Both OTC Markets and Tiingo keep freemium access with optional paid upgrades, so you can trial each platform before committing.

How can you access OTC Markets and Tiingo?

Both OTC Markets and Tiingo 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?

OTC Markets differentiates itself with 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., whereas Tiingo stands out for End-of-day (EOD) price API with proprietary error-checking and broad historical coverage., Coverage spans 65,000+ US stocks, ETFs, mutual funds, ADRs, plus Chinese equities with 50+ years of history., and Corporate actions API for dividends and splits, including both historical and announced events..

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