TRADINGDATACOMPARE
LIVE · 2026-05-27

Best for
Backtesting.

Strategy backtesting engines that need deep historical OHLCV data across asset classes.

Ranked · Top 5

#1
Databento TOP PICK FREE TIER

Institutional-grade tick data with pay-as-you-go pricing

FROM From $0 API REST · WebSocket · SDK SDK Python · Rust · C++
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#2
EODHD (EOD Historical Data) FREE TIER AFFILIATE

Deep historical OHLCV and fundamentals for 70+ global exchanges

FROM $0/mo API REST · WebSocket SDK Python · JavaScript · R
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#3

Real-time and historical stock, options, forex, and crypto data — rebranded to Massive in 2026

FROM $0/mo API REST · WebSocket · SDK SDK Python · JavaScript · Go
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#4
Twelve Data FREE TIER AFFILIATE

Global stocks, forex, and crypto API with built-in technical indicators

FROM $0/mo API REST · WebSocket SDK Python · JavaScript · Java
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#5
Alpha Vantage FREE TIER

Free stock API with technical indicators and fundamentals

FROM $0/mo API REST SDK Python · JavaScript · Java
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Cross-Reference

Databento vs EODHD (EOD Historical Data) Databento vs Polygon.io (now Massive) EODHD (EOD Historical Data) vs Polygon.io (now Massive) EODHD (EOD Historical Data) vs Twelve Data Polygon.io (now Massive) vs Twelve Data Polygon.io (now Massive) vs Alpha Vantage Twelve Data vs Alpha Vantage

Other Use Cases

Best for Algo TradingBest for Crypto TradingBest for Forex TradingBest for Quant ResearchBest for Fintech App DevelopmentBest for BeginnersBest for Options TradingBest for Real-Time Market DataBest for Global EquitiesBest for Python DevelopersBest for JavaScript / Node.js DevelopersBest for Deep Historical DataBest for WebSocket StreamingBest for Free Tier OnlyBest for Budget Under $30/moBest for Institutional / EnterpriseBest for Active TradersBest for Options Trading (Brokers)Best for Global Multi-Asset BrokersBest for Brokers with API AccessBest for Prop Firms for BeginnersBest for Prop Firms for ForexBest for 1-Step Prop Firm ChallengesBest for Highest Prop Firm Profit Splits