VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Sunday, October 5, 2025

Head-to-head

Alpha Vantage vs marketstack comparison

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

Quick takeaways

Alpha Vantage adds News, News Sentiment, Calendar, IPO, Delisted, Inflation Rates, Unemployment Rates, GDP, Options & Derivatives, Transcripts, Insider Data, and Sheets / Excel Add-ins coverage that marketstack skips.

marketstack includes Analyst Recommendations, and Analyst Price Targets categories that Alpha Vantage omits.

Alpha Vantage highlights: Equity time series for global stocks (intraday down to 1-minute, plus daily/weekly/monthly) with 20+ years of history, including pre- and post-market support and adjustment toggles for splits and dividends., US options coverage with real-time and historical data spanning over 15 years, including optional greeks and implied volatility outputs in JSON or CSV., and Fundamentals and corporate actions such as company overviews, financials, dividends, splits, plus ETF profiles and holdings..

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..

Alpha Vantage logo

Alpha Vantage

alphavantage.co

Hands-on review

REST APIs delivering global market data in JSON and CSV. The free tier allows 25 requests per day, while premium plans remove limits and unlock real-time and 15-minute delayed US equities plus real-time US options. Entitlements and account management are handled through the Alpha X Terminal.

Platforms

Web
API

Pricing

Free
Subscription

Quick highlights

  • Equity time series for global stocks (intraday down to 1-minute, plus daily/weekly/monthly) with 20+ years of history, including pre- and post-market support and adjustment toggles for splits and dividends.
  • US options coverage with real-time and historical data spanning over 15 years, including optional greeks and implied volatility outputs in JSON or CSV.
  • Fundamentals and corporate actions such as company overviews, financials, dividends, splits, plus ETF profiles and holdings.
  • Corporate calendars: earnings announcements, IPO schedules, listings, and delisting status.
  • Alpha Intelligence datasets with market news and sentiment, earnings call transcripts, insider transactions, and daily gainers/losers.

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marketstack logo

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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Overlap

Shared focus areas

6 overlaps

Mutual strengths include Data APIs, Dividends, and Splits plus 3 more areas.

Where they differ

Alpha Vantage

Distinct strengths include:

  • Equity time series for global stocks (intraday down to 1-minute, plus daily/weekly/monthly) with 20+ years of history, including pre- and post-market support and adjustment toggles for splits and dividends.
  • US options coverage with real-time and historical data spanning over 15 years, including optional greeks and implied volatility outputs in JSON or CSV.
  • Fundamentals and corporate actions such as company overviews, financials, dividends, splits, plus ETF profiles and holdings.
  • Corporate calendars: earnings announcements, IPO schedules, listings, and delisting status.

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

AttributeAlpha Vantagemarketstack
Categories

Which research workflows each platform targets

Shared: Data APIs, Dividends, Splits, Interest Rates, ETF Holdings, APIs & SDKs

Unique: News, News Sentiment, Calendar, IPO, Delisted, Inflation Rates, Unemployment Rates, GDP, Options & Derivatives, Transcripts, Insider Data, Sheets / Excel Add-ins

Shared: Data APIs, Dividends, Splits, Interest Rates, ETF Holdings, APIs & SDKs

Unique: Analyst Recommendations, Analyst Price Targets

Asset types

Supported asset classes and universes

Stocks, ETFs, Options, Currencies, Cryptos, Commodities, 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

Free, Subscription

Free, Subscription

Key features

Core capabilities called out by each vendor

Unique

  • Equity time series for global stocks (intraday down to 1-minute, plus daily/weekly/monthly) with 20+ years of history, including pre- and post-market support and adjustment toggles for splits and dividends.
  • US options coverage with real-time and historical data spanning over 15 years, including optional greeks and implied volatility outputs in JSON or CSV.
  • Fundamentals and corporate actions such as company overviews, financials, dividends, splits, plus ETF profiles and holdings.
  • Corporate calendars: earnings announcements, IPO schedules, listings, and delisting status.
  • Alpha Intelligence datasets with market news and sentiment, earnings call transcripts, insider transactions, and daily gainers/losers.
  • Coverage across FX and crypto exchange rates (including intraday), commodities (oil, metals, agriculture), and US macro indicators like GDP, CPI, interest rates, and unemployment.

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.
Tested

Verified by hands-on testing inside Find My Moat

Yes

Not yet

Editor pick

Featured inside curated shortlists

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Frequently Asked Questions

Which workflows do Alpha Vantage and marketstack both support?

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

Do Alpha Vantage and marketstack require subscriptions?

Both Alpha Vantage and marketstack keep freemium access with optional paid upgrades, so you can trial each platform before committing.

How can you access Alpha Vantage and marketstack?

Both Alpha Vantage 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?

Alpha Vantage differentiates itself with Equity time series for global stocks (intraday down to 1-minute, plus daily/weekly/monthly) with 20+ years of history, including pre- and post-market support and adjustment toggles for splits and dividends., US options coverage with real-time and historical data spanning over 15 years, including optional greeks and implied volatility outputs in JSON or CSV., and Fundamentals and corporate actions such as company overviews, financials, dividends, splits, plus ETF profiles and holdings., 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.