VOL. XCIV, NO. 247
★ FINANCIAL TOOLS & SERVICES DIRECTORY ★
PRICE: 5 CENTS
Saturday, September 27, 2025
Investors comparing Intrinio and marketstack will find that Both Intrinio and marketstack concentrate on Data APIs, ETF Holdings, and Dividends workflows, making them natural alternatives for similar investment research jobs. Intrinio leans into Options & Derivatives, News, and Financials, which can be decisive for teams that need depth over breadth. marketstack stands out with Interest Rates, and APIs & SDKs that the competition lacks. Use the feature-by-feature table to inspect unique capabilities and confirm which roadmap best maps to your process.
Head-to-head
Intrinio vs marketstack
Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.
Quick takeaways
- Intrinio adds Options & Derivatives, News, Financials, Institutional Data, and Analyst Forecasts coverage that marketstack skips.
- marketstack includes Interest Rates, and APIs & SDKs categories that Intrinio omits.
- Intrinio highlights: REST API with JSON output and WebSocket streaming for real-time market data., SDKs available for Python and R, with detailed documentation and examples., and US fundamentals: standardized and as-reported data back to 2006, sourced from SEC filings, updated in real time as filings arrive..
- marketstack is known for: RESTful JSON API with secure API key access, HTTPS transport, and a 5 requests/sec global limit., End-of-day data with 15+ years of history across 500,000+ tickers, including MIC-level filtering and adjusted fields (open, close, volume)., and Intraday data for U.S. markets via IEX, with intervals from 1–60 minutes. Real-time reference prices are derived from IEX feeds; some fields require separate entitlements..
- marketstack keeps a free entry point that Intrinio lacks.
Intrinio
intrinio.com
Financial data vendor offering flexible dataset-level subscriptions and bulk one-time downloads. Real-time options require OPRA licensing, though a lighter 'OptionsEdge' product avoids that complexity. Data is delivered via REST, WebSocket, CSV, or integrations like Snowflake, S3, and FTP.
Categories
Platforms
Pricing
Quick highlights
- REST API with JSON output and WebSocket streaming for real-time market data.
- SDKs available for Python and R, with detailed documentation and examples.
- US fundamentals: standardized and as-reported data back to 2006, sourced from SEC filings, updated in real time as filings arrive.
- Equity prices: IEX real-time, Nasdaq Basic, 15-minute delayed SIP, and CBOE One delayed; end-of-day history spans 50+ years with dividend/split adjustments.
- Options data: real-time OPRA feed with Greeks and implied volatility via API and WebSocket, plus delayed, intraday, and historical coverage.
marketstack
marketstack.com
A global market data API with free and paid tiers. End-of-day coverage spans 15+ years and 500k+ tickers, while intraday and real-time access are unlocked on higher plans. Rate limits apply: 5 requests per second globally, with some endpoints (like ETF holdings) counting as multiple calls. Premium tiers add features like SEC/EDGAR filings, analyst ratings, and bond/index data. Data is sourced from Tiingo for U.S. markets, and uptime is tracked on a public status page.
Categories
Platforms
Pricing
Quick highlights
- RESTful JSON API with secure API key access, HTTPS transport, and a 5 requests/sec global limit.
- End-of-day data with 15+ years of history across 500,000+ tickers, including MIC-level filtering and adjusted fields (open, close, volume).
- Intraday data for U.S. markets via IEX, with intervals from 1–60 minutes. Real-time reference prices are derived from IEX feeds; some fields require separate entitlements.
- Professional and higher tiers include real-time stock prices with minute-level updates (1 API call per minute rate cap).
- Corporate actions endpoints for dividends and stock splits.
Shared focus areas
Both platforms align on these research themes, so you can stay within one workflow when your use case involves them.
Where they differ
Intrinio
Distinct strengths include:
- REST API with JSON output and WebSocket streaming for real-time market data.
- SDKs available for Python and R, with detailed documentation and examples.
- US fundamentals: standardized and as-reported data back to 2006, sourced from SEC filings, updated in real time as filings arrive.
- Equity prices: IEX real-time, Nasdaq Basic, 15-minute delayed SIP, and CBOE One delayed; end-of-day history spans 50+ years with dividend/split adjustments.
marketstack
Distinct strengths include:
- RESTful JSON API with secure API key access, HTTPS transport, and a 5 requests/sec global limit.
- End-of-day data with 15+ years of history across 500,000+ tickers, including MIC-level filtering and adjusted fields (open, close, volume).
- Intraday data for U.S. markets via IEX, with intervals from 1–60 minutes. Real-time reference prices are derived from IEX feeds; some fields require separate entitlements.
- Professional and higher tiers include real-time stock prices with minute-level updates (1 API call per minute rate cap).
Feature-by-feature breakdown
| Attribute | Intrinio | marketstack |
|---|---|---|
Categories Which research workflows each platform targets | Shared: Data APIs, ETF Holdings, Dividends, Splits, Analyst Recommendations, Analyst Price Targets Unique: Options & Derivatives, News, Financials, Institutional Data, Analyst Forecasts | Shared: Data APIs, ETF Holdings, Dividends, Splits, Analyst Recommendations, Analyst Price Targets Unique: Interest Rates, APIs & SDKs |
Asset types Supported asset classes and universes | Stocks, ETFs, Options, Mutual Funds | Stocks, ETFs, Bonds, Commodities |
Experience levels Who each product is built for | Beginner, Intermediate, Advanced | Intermediate, Advanced |
Platforms Where you can access the product | Web, API | Web, API |
Pricing High-level pricing models | Subscription, One-time | Free, Subscription |
Key features Core capabilities called out by each vendor | Unique
| Unique
|
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 Intrinio and marketstack both support?
Both platforms cover Data APIs, ETF Holdings, Dividends, Splits, Analyst Recommendations, and Analyst Price Targets workflows, so you can research those use cases in either tool before digging into the feature differences below.
Which tool offers a free plan?
marketstack offers a free entry point, while Intrinio requires a paid subscription. Review the pricing table to see how the paid tiers compare.
How can you access Intrinio and marketstack?
Both Intrinio and marketstack 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?
Intrinio differentiates itself with REST API with JSON output and WebSocket streaming for real-time market data., SDKs available for Python and R, with detailed documentation and examples., and US fundamentals: standardized and as-reported data back to 2006, sourced from SEC filings, updated in real time as filings arrive., whereas marketstack stands out for RESTful JSON API with secure API key access, HTTPS transport, and a 5 requests/sec global limit., End-of-day data with 15+ years of history across 500,000+ tickers, including MIC-level filtering and adjusted fields (open, close, volume)., and Intraday data for U.S. markets via IEX, with intervals from 1–60 minutes. Real-time reference prices are derived from IEX feeds; some fields require separate entitlements..
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.