VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Wednesday, November 19, 2025

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Tool Comparison

OTC Markets vs StockAlert.pro 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, News, Ticker Changes, Splits, and Regulatory Filings Monitoring coverage that StockAlert.pro skips.

StockAlert.pro includes Alerts, Calendar, Stock Ideas, Data Visualizations, Watchlist, Webhooks, Playbooks & Case Studies, and Blogs categories that OTC Markets omits.

In depth comparison

OTC Markets logo

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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StockAlert.pro logo

StockAlert.pro

stockalert.pro

Alert‑first platform for stocks & ETFs with 21 configurable alert types (price/technical/volume/fundamental/dividends/time), a daily AI watchlist assistant, and an API with webhooks/SDKs. Free tier supports up to 50 alerts; Premium adds unlimited alerts and SMS. Coverage spans major U.S./European exchanges; market data may be up to ~15‑min delayed per terms.

Platforms

WebAPI

Pricing

FreeSubscription

Quick highlights

  • 21 alert types across price, technical (MA crosses, RSI), volume, fundamentals (P/E & forward P/E), dividends (ex‑date/payment), and time‑based reminders.
  • Minute‑by‑minute monitoring during regular, pre‑market, and after‑hours sessions; notifications within seconds when conditions are met.
  • AI analysis that generates long‑form equity write‑ups and suggests 2–5 ‘smart alerts’ you can one‑click activate.
  • Intelligent watchlist that runs daily AI screens on tracked symbols and refreshes alert signals automatically.
  • Stocks & ETFs database plus a free ‘Undervalued (P/E)’ screener and a Dividend Calendar.

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Where they differ

OTC Markets

Distinct strengths include:

Order Book / Level IINewsTicker ChangesSplitsRegulatory Filings Monitoring
  • 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.

StockAlert.pro

Distinct strengths include:

AlertsCalendarStock IdeasData VisualizationsWatchlistWebhooksPlaybooks & Case StudiesBlogs
  • 21 alert types across price, technical (MA crosses, RSI), volume, fundamentals (P/E & forward P/E), dividends (ex‑date/payment), and time‑based reminders.
  • Minute‑by‑minute monitoring during regular, pre‑market, and after‑hours sessions; notifications within seconds when conditions are met.
  • AI analysis that generates long‑form equity write‑ups and suggests 2–5 ‘smart alerts’ you can one‑click activate.
  • Intelligent watchlist that runs daily AI screens on tracked symbols and refreshes alert signals automatically.

Feature-by-feature breakdown

AttributeOTC MarketsStockAlert.pro
Categories

Which research workflows each platform targets

Shared: Data APIs, Dividends, APIs & SDKs, Screeners

Unique: Order Book / Level II, News, Ticker Changes, Splits, Regulatory Filings Monitoring

Shared: Data APIs, Dividends, APIs & SDKs, Screeners

Unique: Alerts, Calendar, Stock Ideas, Data Visualizations, Watchlist, Webhooks, Playbooks & Case Studies, Blogs

Asset types

Supported asset classes and universes

Stocks, Bonds

Stocks, ETFs

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

  • 21 alert types across price, technical (MA crosses, RSI), volume, fundamentals (P/E & forward P/E), dividends (ex‑date/payment), and time‑based reminders.
  • Minute‑by‑minute monitoring during regular, pre‑market, and after‑hours sessions; notifications within seconds when conditions are met.
  • AI analysis that generates long‑form equity write‑ups and suggests 2–5 ‘smart alerts’ you can one‑click activate.
  • Intelligent watchlist that runs daily AI screens on tracked symbols and refreshes alert signals automatically.
  • Stocks & ETFs database plus a free ‘Undervalued (P/E)’ screener and a Dividend Calendar.
  • Developer API: REST + real‑time webhooks, API key auth, official SDKs (TS/JS, Python), Slack app, and n8n node; published endpoints for alerts, watchlists, and webhooks.
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 StockAlert.pro both support?

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

Do OTC Markets and StockAlert.pro require subscriptions?

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

How can you access OTC Markets and StockAlert.pro?

Both OTC Markets and StockAlert.pro 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 StockAlert.pro stands out for 21 alert types across price, technical (MA crosses, RSI), volume, fundamentals (P/E & forward P/E), dividends (ex‑date/payment), and time‑based reminders., Minute‑by‑minute monitoring during regular, pre‑market, and after‑hours sessions; notifications within seconds when conditions are met., and AI analysis that generates long‑form equity write‑ups and suggests 2–5 ‘smart alerts’ you can one‑click activate..

Keep exploring

Keep exploring

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Curation & Accuracy

This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).

Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.