VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Sunday, October 5, 2025

Head-to-head

OpenBB vs OTC Markets comparison

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

Quick takeaways

OpenBB adds Sheets / Excel Add-ins, Custom Dashboards, IPO, Interest Rates, GDP, Inflation Rates, Unemployment Rates, Commitment of Traders (COT), Dark Pool & Off-Exchange, Data Visualizations, Options & Derivatives, Quant, Financials, Transcripts, ETF Overview, ETF Performance, ETF Holdings, Analyst Forecasts, Analyst Price Targets, AI, and AI Chat coverage that OTC Markets skips.

OTC Markets includes Order Book / Level II, Ticker Changes, and Screeners categories that OpenBB omits.

OpenBB highlights: REST API and Python client with JSON-serializable endpoints; local API deployment supported., Wide coverage across equities, ETFs, options, fixed income, macroeconomics, news, transcripts, and regulatory filings., and Command-line interface (successor to the legacy OpenBB Terminal) plus Python workflows..

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..

OpenBB logo

OpenBB

openbb.co

Open-source data and analytics platform with a REST API, Python SDK, and an enterprise workspace for custom dashboards and apps. The free Community plan includes unlimited dashboards and 20 AI Copilot queries per day. Pro adds collaboration features, Excel integration, secure deployment (VPC/on-prem), and export options. Infrastructure is SOC 2 Type II certified, with SSO support and a public status page.

Platforms

Web
API

Pricing

Free
Subscription

Quick highlights

  • REST API and Python client with JSON-serializable endpoints; local API deployment supported.
  • Wide coverage across equities, ETFs, options, fixed income, macroeconomics, news, transcripts, and regulatory filings.
  • Command-line interface (successor to the legacy OpenBB Terminal) plus Python workflows.
  • Workspace dashboards and apps with customizable widgets; unlimited dashboards on the Community tier.
  • OpenBB Copilot AI chat that integrates dashboard widgets as context and supports attachments (PDF, CSV, XLSX).

Community votes (overall)

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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

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).

Community votes (overall)

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Overlap

Shared focus areas

6 overlaps

Mutual strengths include APIs & SDKs, Data APIs, and News plus 3 more areas.

Where they differ

OpenBB

Distinct strengths include:

  • REST API and Python client with JSON-serializable endpoints; local API deployment supported.
  • Wide coverage across equities, ETFs, options, fixed income, macroeconomics, news, transcripts, and regulatory filings.
  • Command-line interface (successor to the legacy OpenBB Terminal) plus Python workflows.
  • Workspace dashboards and apps with customizable widgets; unlimited dashboards on the Community tier.

OTC Markets

Distinct strengths include:

  • 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

AttributeOpenBBOTC Markets
Categories

Which research workflows each platform targets

Shared: APIs & SDKs, Data APIs, News, Dividends, Splits, Regulatory Filings Monitoring

Unique: Sheets / Excel Add-ins, Custom Dashboards, IPO, Interest Rates, GDP, Inflation Rates, Unemployment Rates, Commitment of Traders (COT), Dark Pool & Off-Exchange, Data Visualizations, Options & Derivatives, Quant, Financials, Transcripts, ETF Overview, ETF Performance, ETF Holdings, Analyst Forecasts, Analyst Price Targets, AI, AI Chat

Shared: APIs & SDKs, Data APIs, News, Dividends, Splits, Regulatory Filings Monitoring

Unique: Order Book / Level II, Ticker Changes, Screeners

Asset types

Supported asset classes and universes

Stocks, ETFs, Options, Futures, Bonds, Commodities, Currencies, Cryptos

Stocks, Bonds

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

  • REST API and Python client with JSON-serializable endpoints; local API deployment supported.
  • Wide coverage across equities, ETFs, options, fixed income, macroeconomics, news, transcripts, and regulatory filings.
  • Command-line interface (successor to the legacy OpenBB Terminal) plus Python workflows.
  • Workspace dashboards and apps with customizable widgets; unlimited dashboards on the Community tier.
  • OpenBB Copilot AI chat that integrates dashboard widgets as context and supports attachments (PDF, CSV, XLSX).
  • Community plan includes 20 Copilot queries/day; Pro adds Excel Add-in, data export, team roles and sharing, and SSO (Azure/Google).

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

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Frequently Asked Questions

Which workflows do OpenBB and OTC Markets both support?

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

Do OpenBB and OTC Markets require subscriptions?

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

How can you access OpenBB and OTC Markets?

Both OpenBB 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?

OpenBB differentiates itself with REST API and Python client with JSON-serializable endpoints; local API deployment supported., Wide coverage across equities, ETFs, options, fixed income, macroeconomics, news, transcripts, and regulatory filings., and Command-line interface (successor to the legacy OpenBB Terminal) plus Python workflows., 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..

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.