Financial Modeling Prep (FMP) is the closest drop-in replacement with overlapping coverage in Data APIs, Dividends, and Splits while adding Screeners and News coverage and Multi‑asset data coverage via a single API: equities, ETFs, mutual funds, indexes, forex, crypto, commodities, macroeconomic indicators, ESG and ownership datasets, organized into Market Data, Fundamental & Company Data, News & Calendar Data, Advanced Data, Ownership and Other Markets. and Real‑time quotes plus intraday (1‑minute, 5‑minute, 30‑minute, 1‑hour) and end‑of‑day historical bars for stocks and other assets; Premium and Ultimate tiers add intraday chart endpoints, technical indicators and up to 30+ years of history, with Ultimate including 1‑minute intraday charting and full historical access. features (category overlap ~100%).
VOL. XCIV, NO. 247
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Free Alternatives to marketstack
Zero-cost replacements ranked by category overlap, pricing, and platform access. Use this list to test marketstack before paying for another subscription.
View standard alternativesQuick takeaways
Every pick keeps a free tier; start with Financial Modeling Prep (FMP), OpenBB, and Fiscal.ai to road-test marketstack workflows without paying up front.
Need mobile access? Koyfin, Investing.com, and GuruFocus bring phone-ready workflows that marketstack lacks.
Round out your stack with new coverage areas like Screeners, News, Calendar, and IPO.
Shared coverage
Assets: Stocks, ETFs, and Commodities
Experience: Intermediate and Advanced
Platforms: Web and API
Pricing: Free and Subscription
Why investors switch
- Expands into Screeners, News, and Calendar coverage beyond what marketstack offers.
- Standout features include Multi‑asset data coverage via a single API: equities, ETFs, mutual funds, indexes, forex, crypto, commodities, macroeconomic indicators, ESG and ownership datasets, organized into Market Data, Fundamental & Company Data, News & Calendar Data, Advanced Data, Ownership and Other Markets., Real‑time quotes plus intraday (1‑minute, 5‑minute, 30‑minute, 1‑hour) and end‑of‑day historical bars for stocks and other assets; Premium and Ultimate tiers add intraday chart endpoints, technical indicators and up to 30+ years of history, with Ultimate including 1‑minute intraday charting and full historical access., and Fundamental statement APIs with audited, standardized and as‑reported income statements, balance sheets and cash‑flow statements (annual, quarterly and TTM), plus key metrics, ratios, financial scores, enterprise values and product/geographic segment revenue breakdowns..
Adds coverage: Screeners, News, Calendar, and IPO
Standout features: Multi‑asset data coverage via a single API: equities, ETFs, mutual funds, indexes, forex, crypto, commodities, macroeconomic indicators, ESG and ownership datasets, organized into Market Data, Fundamental & Company Data, News & Calendar Data, Advanced Data, Ownership and Other Markets., Real‑time quotes plus intraday (1‑minute, 5‑minute, 30‑minute, 1‑hour) and end‑of‑day historical bars for stocks and other assets; Premium and Ultimate tiers add intraday chart endpoints, technical indicators and up to 30+ years of history, with Ultimate including 1‑minute intraday charting and full historical access., Fundamental statement APIs with audited, standardized and as‑reported income statements, balance sheets and cash‑flow statements (annual, quarterly and TTM), plus key metrics, ratios, financial scores, enterprise values and product/geographic segment revenue breakdowns., and Built‑in valuation and advanced metrics including DCF models, owner earnings and other formula‑based indicators documented in the Financial Formulas section, with a Custom DCF Calculator and Advanced Market Metrics (e.g., sector performance, technical indicators) available on higher‑tier plans.
Shared coverage
Assets: Stocks, ETFs, and Bonds
Experience: Intermediate and Advanced
Platforms: Web and API
Pricing: Free and Subscription
Why investors switch
- Expands into Sheets / Excel Add-ins, Custom Dashboards, and News coverage beyond what marketstack offers.
- Standout features 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., and Command-line interface (successor to the legacy OpenBB Terminal) plus Python workflows..
- Pair it with marketstack if you still need Analyst Recommendations.
Adds coverage: Sheets / Excel Add-ins, Custom Dashboards, News, and IPO
Standout features: 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., and Workspace dashboards and apps with customizable widgets; unlimited dashboards on the Community tier.
Shared coverage
Assets: Stocks and ETFs
Experience: Intermediate and Advanced
Platforms: Web and API
Pricing: Free and Subscription
Why investors switch
- Expands into Screeners, Stock Comparison, and Data Visualizations coverage beyond what marketstack offers.
- Standout features include Modern web-based research terminal with dashboards, customizable watchlists, portfolio stats, and fundamental charting for 100,000+ global stocks, ETFs, and funds., Deep fundamental coverage: 10–20+ years of annual and 6–40+ quarters of quarterly financials by plan, with ratios, common-size statements, and adjusted metrics., and Rich segment & KPI database across ~2,300 large-cap names, including company-specific business KPIs that are hard to aggregate manually..
- Pair it with marketstack if you still need Interest Rates.
Adds coverage: Screeners, Stock Comparison, Data Visualizations, and Portfolio
Standout features: Modern web-based research terminal with dashboards, customizable watchlists, portfolio stats, and fundamental charting for 100,000+ global stocks, ETFs, and funds., Deep fundamental coverage: 10–20+ years of annual and 6–40+ quarters of quarterly financials by plan, with ratios, common-size statements, and adjusted metrics., Rich segment & KPI database across ~2,300 large-cap names, including company-specific business KPIs that are hard to aggregate manually., and AI Copilot for conversational research, capable of summarizing earnings, screening for ideas, comparing peers, and explaining drivers with citations back to sources.
Shared coverage
Assets: Stocks, ETFs, and Bonds
Experience: Intermediate and Advanced
Platforms: Web
Pricing: Free and Subscription
Why investors switch
- Koyfin adds mobile access for on-the-go monitoring.
- Expands into Screeners, ETF Screeners, and Data Visualizations coverage beyond what marketstack offers.
- Standout features include Global multi‑asset data terminal covering equities, ETFs, mutual funds, indices, government bond yields, FX, commodities, cryptocurrencies, news, transcripts and global economics in one interface, with financials, margins, consensus estimates and valuation ratios for all global stocks., Combination of live, 15‑minute delayed and end‑of‑day pricing: live/15‑minute delayed US equities & ETFs, 15‑minute delayed Canadian equities, end‑of‑day prices for other equity markets, live FX for ~60 pairs and bitcoin, plus live bond yields for 45 countries and yield curves for 20 countries., and Customizable watchlists, dashboards and macro dashboards with table views, historical graphs and scatter charts so you can monitor price, valuation, technicals, news and macro series in a single workspace..
- Pair it with marketstack if you still need Data APIs and APIs & SDKs.
Adds coverage: Screeners, ETF Screeners, Data Visualizations, and Stock Comparison
Standout features: Global multi‑asset data terminal covering equities, ETFs, mutual funds, indices, government bond yields, FX, commodities, cryptocurrencies, news, transcripts and global economics in one interface, with financials, margins, consensus estimates and valuation ratios for all global stocks., Combination of live, 15‑minute delayed and end‑of‑day pricing: live/15‑minute delayed US equities & ETFs, 15‑minute delayed Canadian equities, end‑of‑day prices for other equity markets, live FX for ~60 pairs and bitcoin, plus live bond yields for 45 countries and yield curves for 20 countries., Customizable watchlists, dashboards and macro dashboards with table views, historical graphs and scatter charts so you can monitor price, valuation, technicals, news and macro series in a single workspace., and Equity, ETF and mutual fund screeners with thousands of filter criteria, percentile ranks, description search operators and saved “My Screens” views for repeatable idea generation.
Shared coverage
Assets: Stocks, ETFs, and Bonds
Experience: Intermediate and Advanced
Platforms: Web
Pricing: Free and Subscription
Why investors switch
- Investing.com adds mobile access for on-the-go monitoring.
- Expands into Screeners, ETF Screeners, and Portfolio coverage beyond what marketstack offers.
- Standout features include Global multi‑asset coverage with quotes and interactive charts for stocks, ETFs, mutual funds, bonds, commodities, FX, crypto, futures and options across hundreds of exchanges., Extensive calendars for economic data, central‑bank decisions, earnings, dividends, splits, IPOs and options expirations, all with configurable email / push alerts and timezone filters., and Portfolio and watchlist tools with P&L, performance charts, CSV import/export and sync between web and mobile apps..
- Pair it with marketstack if you still need Data APIs and APIs & SDKs.
Adds coverage: Screeners, ETF Screeners, Portfolio, and Watchlist
Standout features: Global multi‑asset coverage with quotes and interactive charts for stocks, ETFs, mutual funds, bonds, commodities, FX, crypto, futures and options across hundreds of exchanges., Extensive calendars for economic data, central‑bank decisions, earnings, dividends, splits, IPOs and options expirations, all with configurable email / push alerts and timezone filters., Portfolio and watchlist tools with P&L, performance charts, CSV import/export and sync between web and mobile apps., and Free stock screener plus InvestingPro+ ‘professional’ screener with 1,200+ metrics, AI‑powered filters, saved screens and data export.
Shared coverage
Assets: Stocks, ETFs, and Bonds
Experience: Intermediate and Advanced
Platforms: Web and API
Pricing: Free and Subscription
Why investors switch
- Expands into News, News Sentiment, and Analyst Forecasts coverage beyond what marketstack offers.
- Standout features include End-of-day OHLCV data via API with daily, weekly, and monthly series, fully adjusted for splits and dividends. JSON and CSV supported., Intraday historical prices available at 1-minute, 5-minute, and 1-hour intervals., and Delayed live quotes: 15–20 minute delay for stocks, 1-minute delay for FX; supports multi-ticker queries..
- Pair it with marketstack if you still need ETF Holdings and Interest Rates.
Adds coverage: News, News Sentiment, Analyst Forecasts, and Delisted
Standout features: End-of-day OHLCV data via API with daily, weekly, and monthly series, fully adjusted for splits and dividends. JSON and CSV supported., Intraday historical prices available at 1-minute, 5-minute, and 1-hour intervals., Delayed live quotes: 15–20 minute delay for stocks, 1-minute delay for FX; supports multi-ticker queries., and Real-time WebSocket streaming (<50 ms latency) for US equities, forex, and crypto, with up to 50 simultaneous tickers and pre/post-market support.
Shared coverage
Assets: Stocks, ETFs, and Commodities
Experience: Intermediate and Advanced
Platforms: Web and API
Pricing: Free and Subscription
Why investors switch
- Expands into News, News Sentiment, and Market Sentiment coverage beyond what marketstack offers.
- Standout features include Cloud-native REST APIs for realtime and historical financial data across global stocks, ETFs, mutual funds, FX, cryptocurrencies, commodities, technical indicators and macroeconomic indicators in a single unified portfolio of endpoints., Global equity time series APIs (daily, weekly, monthly and intraday 1–60 minute bars) with 20+ years of history, optional split/dividend-adjusted prices, and support for extended trading hours where available., and US options data APIs providing realtime and historical option chains with 15+ years of history, full market/volume coverage, and optional Greeks and implied volatility fields in JSON or CSV..
- Pair it with marketstack if you still need Analyst Recommendations and Analyst Price Targets.
Adds coverage: News, News Sentiment, Market Sentiment, and Calendar
Standout features: Cloud-native REST APIs for realtime and historical financial data across global stocks, ETFs, mutual funds, FX, cryptocurrencies, commodities, technical indicators and macroeconomic indicators in a single unified portfolio of endpoints., Global equity time series APIs (daily, weekly, monthly and intraday 1–60 minute bars) with 20+ years of history, optional split/dividend-adjusted prices, and support for extended trading hours where available., US options data APIs providing realtime and historical option chains with 15+ years of history, full market/volume coverage, and optional Greeks and implied volatility fields in JSON or CSV., and Fundamental data suite covering company overview, income statement, balance sheet, cash flow, dividends, splits, shares outstanding, ETF profile & holdings, listing/delisting status, earnings history, earnings estimates, and earnings/IPO calendars.
Shared coverage
Assets: Stocks and ETFs
Experience: Intermediate and Advanced
Platforms: Web and API
Pricing: Free and Subscription
Why investors switch
- GuruFocus adds mobile access for on-the-go monitoring.
- Expands into Screeners, Stock Ideas, and Stock Comparison coverage beyond what marketstack offers.
- Standout features include Global value-investing research platform covering ~100,000 stocks in ~100 markets plus 8,000+ institutional investors and 15,000+ mutual funds holdings, designed to provide historical financial and valuation data for long-term investors., All-in-One Screener offers 500+ fundamental, valuation, profitability, growth, dividend, guru and insider filters, supports custom filters/formulas and screening by regions, countries, exchanges and user portfolios., and Stock pages combine up to 30-year financial statements, valuation ratios, proprietary GF Score (quality, value, growth, momentum and GF value), dividend data, ownership, operating/segment metrics, filings, transcripts, PDF reports and downloadable charts/tables..
- Pair it with marketstack if you still need Splits and APIs & SDKs.
Adds coverage: Screeners, Stock Ideas, Stock Comparison, and Data Visualizations
Standout features: Global value-investing research platform covering ~100,000 stocks in ~100 markets plus 8,000+ institutional investors and 15,000+ mutual funds holdings, designed to provide historical financial and valuation data for long-term investors., All-in-One Screener offers 500+ fundamental, valuation, profitability, growth, dividend, guru and insider filters, supports custom filters/formulas and screening by regions, countries, exchanges and user portfolios., Stock pages combine up to 30-year financial statements, valuation ratios, proprietary GF Score (quality, value, growth, momentum and GF value), dividend data, ownership, operating/segment metrics, filings, transcripts, PDF reports and downloadable charts/tables., and Guru and institutional tools track portfolios and trades of thousands of investors, including real-time guru picks, 13F and 13D/13G data for all institutional investors (PremiumPlus+), mutual fund holdings, sector/geographic trends, ETF and options holdings.
Shared coverage
Assets: Stocks and ETFs
Experience: Intermediate and Advanced
Platforms: Web and API
Pricing: Subscription
Why investors switch
- Expands into Options & Derivatives, News, and Financials coverage beyond what marketstack offers.
- Standout features 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., and US fundamentals: standardized and as-reported data back to 2006, sourced from SEC filings, updated in real time as filings arrive..
- Pair it with marketstack if you still need Interest Rates and APIs & SDKs.
Adds coverage: Options & Derivatives, News, Financials, and Institutional Data
Standout features: 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., and 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.
Shared coverage
Assets: Stocks, ETFs, and Bonds
Experience: Intermediate and Advanced
Platforms: Web
Pricing: Free and Subscription
Why investors switch
- Yahoo Finance adds mobile access for on-the-go monitoring.
- Expands into Screeners, Watchlist, and Portfolio coverage beyond what marketstack offers.
- Standout features include Free plan with optional Silver and Gold subscriptions that unlock advanced features and research., Historical price downloads in CSV format are gated to Gold; portfolio and watchlist exports remain free., and Coverage spans 100+ exchanges worldwide, with clear labeling of real-time versus delayed data..
- Pair it with marketstack if you still need Data APIs, Interest Rates, and APIs & SDKs.
Adds coverage: Screeners, Watchlist, Portfolio, and News
Standout features: Free plan with optional Silver and Gold subscriptions that unlock advanced features and research., Historical price downloads in CSV format are gated to Gold; portfolio and watchlist exports remain free., Coverage spans 100+ exchanges worldwide, with clear labeling of real-time versus delayed data., and Interactive full-screen charts with dozens of technical indicators and extended-hours toggles.
Shared coverage
Assets: Stocks and ETFs
Experience: Intermediate and Advanced
Platforms: Web
Pricing: Free and Subscription
Why investors switch
- Stock Analysis adds mobile access for on-the-go monitoring.
- Expands into Stock Ideas, Screeners, and ETF Screeners coverage beyond what marketstack offers.
- Standout features include Covers 120,000+ global stocks and funds with quotes, news, financials, forecasts, charts, and statistics, aiming to be “the internet’s best source of free stock data and information for regular investors.”, Global coverage for stocks and ETFs, with 100,000+ tradable symbols across major U.S. exchanges (NASDAQ, NYSE, CBOE, OTC Markets) and many international markets; goal is to list every tradable stock in the world., and Individual stock pages combine real-time or delayed prices, key stats, full financial statements (income, balance sheet, cash flow), ratios, KPIs, dividend history, long price history, interactive technical charts, and company profiles..
- Pair it with marketstack if you still need Data APIs, Interest Rates, and APIs & SDKs.
Adds coverage: Stock Ideas, Screeners, ETF Screeners, and Top Analysts
Standout features: Covers 120,000+ global stocks and funds with quotes, news, financials, forecasts, charts, and statistics, aiming to be “the internet’s best source of free stock data and information for regular investors.”, Global coverage for stocks and ETFs, with 100,000+ tradable symbols across major U.S. exchanges (NASDAQ, NYSE, CBOE, OTC Markets) and many international markets; goal is to list every tradable stock in the world., Individual stock pages combine real-time or delayed prices, key stats, full financial statements (income, balance sheet, cash flow), ratios, KPIs, dividend history, long price history, interactive technical charts, and company profiles., and Three real-time screeners (stocks, ETFs, IPOs) with 200+ indicators and filters, including country, exchange, sector, industry, index membership, dates (e.g., IPO date, ex‑dividend), and performance/valuation metrics; results update live as filters change.
Shared coverage
Assets: Stocks and ETFs
Experience: Intermediate and Advanced
Platforms: Web
Pricing: Free and Subscription
Why investors switch
- Nasdaq.com adds mobile access for on-the-go monitoring.
- Expands into Screeners, Portfolio, and Watchlist coverage beyond what marketstack offers.
- Standout features include Real-time U.S. quotes with continuously updating bid/ask via Nasdaq Basic, with data credited to Nasdaq Data Link., Built-in screeners for stocks, ETFs, and mutual funds with filterable metrics., and Options chains enhanced with Greeks such as Delta, Gamma, and Vega..
- Pair it with marketstack if you still need Data APIs, Interest Rates, and APIs & SDKs.
Adds coverage: Screeners, Portfolio, Watchlist, and News
Standout features: Real-time U.S. quotes with continuously updating bid/ask via Nasdaq Basic, with data credited to Nasdaq Data Link., Built-in screeners for stocks, ETFs, and mutual funds with filterable metrics., Options chains enhanced with Greeks such as Delta, Gamma, and Vega., and Dedicated pages for short interest, insider transactions, and institutional holdings (13F).
Shared coverage
Assets: Stocks and ETFs
Experience: Intermediate and Advanced
Platforms: Web
Pricing: Free and Subscription
Why investors switch
- Seeking Alpha adds mobile access for on-the-go monitoring.
- Expands into Screeners, ETF Screeners, and Stock Comparison coverage beyond what marketstack offers.
- Standout features include Quant Ratings for stocks with five Factor Grades (Value, Growth, Profitability, Momentum, EPS Revisions), plus ETF Factor Grades (Momentum, Expenses, Dividends, Risk, Liquidity)., Stock and ETF screeners with ratings, grades, and advanced filters. Premium members can save screens for reuse., and Side-by-side comparison of up to 20 stocks, with export to Excel or PDF..
- Pair it with marketstack if you still need Data APIs, Splits, and Interest Rates.
Adds coverage: Screeners, ETF Screeners, Stock Comparison, and Data Visualizations
Standout features: Quant Ratings for stocks with five Factor Grades (Value, Growth, Profitability, Momentum, EPS Revisions), plus ETF Factor Grades (Momentum, Expenses, Dividends, Risk, Liquidity)., Stock and ETF screeners with ratings, grades, and advanced filters. Premium members can save screens for reuse., Side-by-side comparison of up to 20 stocks, with export to Excel or PDF., and Portfolio tools with custom views, health scores, and Excel export. Premium users can link brokers for daily auto-sync through Plaid or SnapTrade.
Shared coverage
Assets: Stocks and ETFs
Experience: Intermediate and Advanced
Platforms: Web
Pricing: Free and Subscription
Why investors switch
- Stock Rover adds mobile access for on-the-go monitoring.
- Expands into Screeners, ETF Screeners, and Stock Comparison coverage beyond what marketstack offers.
- Standout features include Spreadsheet‑style Table lets you compare stocks, ETFs and mutual funds side‑by‑side with customizable views and an Insight Panel showing detailed fundamentals, analyst ratings, news and earnings transcripts., Powerful stock and ETF screener supports hundreds of metrics, ranked screening and equation‑based filters, with more metrics and history unlocked at higher tiers (up to 700+ metrics in Premium Plus)., and Portfolio Management covers brokerage integration, portfolio analytics, automatic performance emails, dividend income projections, Monte Carlo simulations, correlation analysis, trade planning and rebalancing tools..
- Pair it with marketstack if you still need Data APIs, Splits, and Interest Rates.
Adds coverage: Screeners, ETF Screeners, Stock Comparison, and ETF Comparison
Standout features: Spreadsheet‑style Table lets you compare stocks, ETFs and mutual funds side‑by‑side with customizable views and an Insight Panel showing detailed fundamentals, analyst ratings, news and earnings transcripts., Powerful stock and ETF screener supports hundreds of metrics, ranked screening and equation‑based filters, with more metrics and history unlocked at higher tiers (up to 700+ metrics in Premium Plus)., Portfolio Management covers brokerage integration, portfolio analytics, automatic performance emails, dividend income projections, Monte Carlo simulations, correlation analysis, trade planning and rebalancing tools., and Future Simulations tool uses Monte Carlo methods to model long‑term portfolio outcomes under different market regimes, inflation assumptions and contribution/withdrawal patterns.
Shared coverage
Assets: Stocks and Commodities
Experience: Intermediate and Advanced
Platforms: Web and API
Pricing: Free and Subscription
Why investors switch
- Expands into Screeners, Stock Ideas, and Data Visualizations coverage beyond what marketstack offers.
- Standout features include Web-based analytics terminal for equity investors with company data for ~1 700 Nordic and 16 000+ global companies, 20 years of history, thousands of ratios, technical analysis, strategies, screener, MFN news and API/Excel plug-in., Complete financials (income statement, balance sheet, cash flow) with long annual, quarterly and rolling 12‑month history and visual comparison against sector peers., and Advanced stock screener with several thousand KPIs, mini charts, saved filters and watchlists, plus intraday price‑performance KPIs for multiple short-term horizons in the UI..
- Pair it with marketstack if you still need Splits, ETF Holdings, and Analyst Recommendations.
Adds coverage: Screeners, Stock Ideas, Data Visualizations, and Index Rebalancing
Standout features: Web-based analytics terminal for equity investors with company data for ~1 700 Nordic and 16 000+ global companies, 20 years of history, thousands of ratios, technical analysis, strategies, screener, MFN news and API/Excel plug-in., Complete financials (income statement, balance sheet, cash flow) with long annual, quarterly and rolling 12‑month history and visual comparison against sector peers., Advanced stock screener with several thousand KPIs, mini charts, saved filters and watchlists, plus intraday price‑performance KPIs for multiple short-term horizons in the UI., and Built-in quantitative strategies such as Magic Formula, Graham, Dividend, F-Score and Net-nets leveraging the historical ratio database for stock idea generation.
Shared coverage
Assets: Stocks and Bonds
Experience: Intermediate and Advanced
Platforms: Web and API
Pricing: Free and Subscription
Why investors switch
- Expands into Order Book / Level II, News, and Ticker Changes coverage beyond what marketstack offers.
- Standout features 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., and Reference & pricing files (security master with optional CUSIP), plus End‑of‑Day pricing files; secure SFTP delivery supported..
- Pair it with marketstack if you still need ETF Holdings, Interest Rates, and Analyst Recommendations.
Adds coverage: Order Book / Level II, News, Ticker Changes, and Regulatory Filings Monitoring
Standout features: 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., and Disclosure API (REST, JSON/CSV/XML) with app‑key auth; filter by symbol/CUSIP/company; document retrieval; plan‑level rate‑limit guidance.
Shared coverage
Assets: Stocks and ETFs
Experience: Intermediate and Advanced
Platforms: Web and API
Pricing: Free and Subscription
Why investors switch
- Expands into News coverage beyond what marketstack offers.
- Standout features include End-of-day (EOD) price API with proprietary error-checking and broad historical coverage., Coverage spans 65,000+ US stocks, ETFs, mutual funds, ADRs, plus Chinese equities with 50+ years of history., and Corporate actions API for dividends and splits, including both historical and announced events..
- Pair it with marketstack if you still need ETF Holdings, Interest Rates, and Analyst Recommendations.
Adds coverage: News
Standout features: End-of-day (EOD) price API with proprietary error-checking and broad historical coverage., Coverage spans 65,000+ US stocks, ETFs, mutual funds, ADRs, plus Chinese equities with 50+ years of history., Corporate actions API for dividends and splits, including both historical and announced events., and IEX real-time equity feed with tick-level data via REST and WebSocket.
Shared coverage
Assets: Stocks and ETFs
Experience: Intermediate and Advanced
Platforms: Web
Pricing: Free and Subscription
Why investors switch
- Tickertape adds mobile access for on-the-go monitoring.
- Expands into Screeners, Portfolio, and Watchlist coverage beyond what marketstack offers.
- Standout features include Web and mobile apps covering Indian stocks, mutual funds, and ETFs., Screeners with over 100 metrics; free users can build up to three custom filters, while Pro removes the limit., and End-of-day data refresh: prices and volumes in the evening, F&O later at night, and fundamentals early the next day..
- Pair it with marketstack if you still need Data APIs, ETF Holdings, and Interest Rates.
Adds coverage: Screeners, Portfolio, Watchlist, and News
Standout features: Web and mobile apps covering Indian stocks, mutual funds, and ETFs., Screeners with over 100 metrics; free users can build up to three custom filters, while Pro removes the limit., End-of-day data refresh: prices and volumes in the evening, F&O later at night, and fundamentals early the next day., and Broker integration with leading platforms such as Zerodha, Upstox, ICICI Direct, HDFC Securities, Groww, 5Paisa, and more, enabling portfolio sync and in-app trading.
Shared coverage
Assets: Stocks and ETFs
Experience: Intermediate and Advanced
Platforms: Web
Pricing: Free and Subscription
Why investors switch
- Expands into Screeners, Data Visualizations, and Stock Comparison coverage beyond what marketstack offers.
- Standout features include Coverage of more than 130,000 stocks and ETFs across 65 global exchanges., Portfolio tracking through manual entry or broker connections (via SnapTrade integration)., and Custom watchlists with event notifications and alerts..
- Pair it with marketstack if you still need Data APIs, Splits, and Interest Rates.
Adds coverage: Screeners, Data Visualizations, Stock Comparison, and ETF Overview
Standout features: Coverage of more than 130,000 stocks and ETFs across 65 global exchanges., Portfolio tracking through manual entry or broker connections (via SnapTrade integration)., Custom watchlists with event notifications and alerts., and Proprietary “Insights Score” summarizing a company’s fundamentals at a glance.
Shared coverage
Assets: Stocks, ETFs, and Bonds
Experience: Intermediate and Advanced
Platforms: Web
Pricing: Free and Subscription
Why investors switch
- MarketWatch adds mobile access for on-the-go monitoring.
- Expands into News, Alerts, and Calendar coverage beyond what marketstack offers.
- Standout features include Market data hub with stock and market screeners, mutual fund research, fund comparison, and multi-quote lookup tools., Personal watchlists available free with an account; syncs across web and mobile apps with customizable price and news alerts., and Comprehensive event calendars, including U.S. economic releases, corporate earnings, IPO schedules, and options-expiration dates..
- Pair it with marketstack if you still need Data APIs, Dividends, and Splits.
Adds coverage: News, Alerts, Calendar, and Screeners
Standout features: Market data hub with stock and market screeners, mutual fund research, fund comparison, and multi-quote lookup tools., Personal watchlists available free with an account; syncs across web and mobile apps with customizable price and news alerts., Comprehensive event calendars, including U.S. economic releases, corporate earnings, IPO schedules, and options-expiration dates., and BigCharts advanced charting platform with multiple timeframes (intraday to monthly) and technical overlays; intraday data typically delayed 15 minutes.
Coverage Snapshot
Where alternatives already align
Most shared categories across the top matches.
New angles introduced
Categories the alternatives add beyond marketstack.
Free Access & Pricing
Free options
All 20
20 vetted picks keep a permanent free tier so you can validate workflows before upgrading.
Mobile ready
10/20
10 alternatives bring native mobile access.
API availability
10/20
10 of the shortlisted tools expose API endpoints for automation-heavy workflows.
Quality checks
7 starred / 15 tested
7 tools are flagged as analyst picks; 15 have been hands-on tested.
Avg. coverage overlap
67%
Average percentage of categories shared with the base tool.
Free Alternatives FAQ
What are the best free alternatives to marketstack?
Start with Financial Modeling Prep (FMP), OpenBB, and Fiscal.ai to replicate marketstack workflows without paying for a subscription.
Do these picks stay permanently free?
Yes. Each platform listed keeps a standing free tier with no credit card required -- though export limits or seat caps may apply if you scale usage.
Which marketstack workflows stay covered on the free plan?
Expect solid overlap across Data APIs, Dividends, Splits, ETF Holdings, Interest Rates, Analyst Recommendations, Analyst Price Targets, and APIs & SDKs, so core marketstack workflows can move over without a paid upgrade.
What extra coverage do the free alternatives add?
Screeners, News, Calendar, IPO, Inflation Rates, GDP, Unemployment Rates, Commitment of Traders (COT), Financials, Scores, ESG Ratings, Valuation Models, ETF Overview, ETF Fundamentals, Analyst Forecasts, Transcripts, 13F, Insider Data, Institutional Data, Sheets / Excel Add-ins, Custom Dashboards, Dark Pool & Off-Exchange, Data Visualizations, Options & Derivatives, Quant, ETF Performance, Regulatory Filings Monitoring, AI, AI Chat, Stock Comparison, Portfolio, Watchlist, Investor Holdings, ETF Valuation, Improved Filings, Alerts, Webhooks, AI Business Summary, AI Earnings Summary, AI Filings Summary, AI Report, Blogs, Newsletters, Education, ETF Screeners, Money Flow, Backtesting, Yield Curves, Videos, Options, News Sentiment, Delisted, Ticker Changes, Market Sentiment, Retail Sales, Stock Ideas, US Government Trades, Special Situations, Spin-offs, Acquisitions, Short Interest, 13D/13G, Forums, Stock Handbook, Top Analysts, ETF Comparison, Fund Overview, Fund Performance, Fund Holdings, Bulls Say Bear Say, ETF Factors, Which ETF includes this Stock?, Correlation, Monte Carlo, Flags, Fund Rating, Index Rebalancing, Buybacks & Authorizations, Order Book / Level II, Broker Connectors, and Paper Trading show up most often as bonus coverage beyond the base platform, giving you room to experiment before upgrading.
Where might I still rely on marketstack?
Analyst Recommendations, Interest Rates, Data APIs, APIs & SDKs, ETF Holdings, Analyst Price Targets, Splits, and Dividends remain strengths for marketstack. Keep it handy for those tasks or plan for a paid upgrade if they matter.
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About Me
Hey! Thanks for stopping by. I'm an independent investor with a soft spot for coding and the stock market - especially value investing (as you can probably tell from the tools I've collected here, haha). Hopefully you'll find something useful or interesting along the way.
Find me here:
- Twitter / X: @Jera_Value
- Substack: Jera Value
Got questions or suggestions? I'm all ears!
Missing a Tool?
Discovered a gem I don't have here yet? Drop the link below and I'll check it out ASAP. Tagging me on X works too! Can't wait to see what you've found!
Got ideas for new features?
Suggest on XStarred Tools
These are my top picks. Tools I've tested thoroughly and found to be excellent. They do their job really well, and I use them a lot. If you're not already familiar with them, I highly recommend checking them out.
Tested Tools
These are tools I've tried and found to be solid, but not standout. Think of them as passing an initial quality screen: worth exploring, though not all will be exceptional.
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.