VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Monday, October 6, 2025

View marketstack View Visible Alpha Back to Home

Head-to-head

marketstack vs Visible Alpha comparison

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

Quick takeaways

marketstack adds Dividends, Splits, ETF Holdings, and Interest Rates coverage that Visible Alpha skips.

Visible Alpha includes Financials, Analyst Forecasts, Data Visualizations, Stock Comparison, Sheets / Excel Add-ins, Blogs, and Playbooks & Case Studies categories that marketstack omits.

marketstack 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)., 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..

Visible Alpha is known for: Deep, line‑item consensus built from full working sell‑side models; 7,000+ companies, 250+ contributing brokers, 1M+ consensus line items; 170+ industries covered., VA Actuals: stitched historical fundamentals not always disclosed in filings, integrated with forward estimates for seamless time series., and Excel Add‑in with real‑time updating of figures, pre‑built templates, and one‑click tear‑sheets/export from the web app..

marketstack has a free tier, while Visible Alpha requires a paid plan.

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.

Platforms

Web

API

Pricing

Free

Subscription

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.

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Visible Alpha

visiblealpha.com

Granular, line‑item consensus from full sell‑side models (7,000+ companies; 250+ contributing brokers) with VA Actuals historicals, Excel add‑in, and enterprise delivery via API/Data Feed/Snowflake. Now part of S&P Global Market Intelligence and available as an add‑on within S&P Capital IQ Pro. Includes modules like Target Price & Ratings and a Line Item Monitor for alerts and revision analysis.

Platforms

Web

Desktop

API

Pricing

Subscription

Quick highlights

Deep, line‑item consensus built from full working sell‑side models; 7,000+ companies, 250+ contributing brokers, 1M+ consensus line items; 170+ industries covered.
VA Actuals: stitched historical fundamentals not always disclosed in filings, integrated with forward estimates for seamless time series.
Excel Add‑in with real‑time updating of figures, pre‑built templates, and one‑click tear‑sheets/export from the web app.
Target Price & Ratings: consensus rating distributions, target prices and valuation context with an ‘Open Entitlements’ contributor‑visibility framework.
Company & Line Item Monitor: alerting on threshold changes, dispersion, trend and revision analysis at the metric level.

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Overlap

Shared focus areas

4 overlaps

Mutual strengths include Data APIs, Analyst Recommendations, and Analyst Price Targets plus 1 more area.

Where they differ

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).

Visible Alpha

Distinct strengths include:

Sheets / Excel Add-ins

Blogs

Playbooks & Case Studies

Deep, line‑item consensus built from full working sell‑side models; 7,000+ companies, 250+ contributing brokers, 1M+ consensus line items; 170+ industries covered.
VA Actuals: stitched historical fundamentals not always disclosed in filings, integrated with forward estimates for seamless time series.
Excel Add‑in with real‑time updating of figures, pre‑built templates, and one‑click tear‑sheets/export from the web app.
Target Price & Ratings: consensus rating distributions, target prices and valuation context with an ‘Open Entitlements’ contributor‑visibility framework.

Feature-by-feature breakdown

Attribute	marketstack	Visible Alpha
Categories Which research workflows each platform targets	Shared: Data APIs, Analyst Recommendations, Analyst Price Targets, APIs & SDKs Unique: Dividends, Splits, ETF Holdings, Interest Rates	Shared: Data APIs, Analyst Recommendations, Analyst Price Targets, APIs & SDKs Unique: Financials, Analyst Forecasts, Data Visualizations, Stock Comparison, Sheets / Excel Add-ins, Blogs, Playbooks & Case Studies
Asset types Supported asset classes and universes	Stocks, ETFs, Bonds, Commodities	Stocks
Experience levels Who each product is built for	Intermediate, Advanced	Intermediate, Advanced
Platforms Where you can access the product	Web, API	Web, Desktop, API
Pricing High-level pricing models	Free, Subscription	Subscription
Key features Core capabilities called out by each vendor	Unique 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. ETF holdings data (Basic+ plans and above) with identifiers like ISIN and CUSIP; each request consumes 20 API calls.	Unique Deep, line‑item consensus built from full working sell‑side models; 7,000+ companies, 250+ contributing brokers, 1M+ consensus line items; 170+ industries covered. VA Actuals: stitched historical fundamentals not always disclosed in filings, integrated with forward estimates for seamless time series. Excel Add‑in with real‑time updating of figures, pre‑built templates, and one‑click tear‑sheets/export from the web app. Target Price & Ratings: consensus rating distributions, target prices and valuation context with an ‘Open Entitlements’ contributor‑visibility framework. Company & Line Item Monitor: alerting on threshold changes, dispersion, trend and revision analysis at the metric level. Enterprise data delivery: REST API for ad‑hoc queries, file‑based data feeds (S3/SFTP), and Snowflake data shares; feeds/cloud updated throughout the day.
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 marketstack and Visible Alpha both support?

Both platforms cover Data APIs, Analyst Recommendations, Analyst Price Targets, and APIs & SDKs 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 Visible Alpha requires a paid subscription. Review the pricing table to see how the paid tiers compare.

How can you access marketstack and Visible Alpha?

Both marketstack and Visible Alpha 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?

marketstack differentiates itself with 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., whereas Visible Alpha stands out for Deep, line‑item consensus built from full working sell‑side models; 7,000+ companies, 250+ contributing brokers, 1M+ consensus line items; 170+ industries covered., VA Actuals: stitched historical fundamentals not always disclosed in filings, integrated with forward estimates for seamless time series., and Excel Add‑in with real‑time updating of figures, pre‑built templates, and one‑click tear‑sheets/export from the web app..

Keep exploring

Stay on top of related tools

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