Every strategy is only as good as its data.

Professional-grade options, stocks, indices, and interest rates data. Millisecond latency. Unfiltered trade and quote data. Comprehensive Greeks. API-driven architecture for maximum reliability.

Data Flow Graphic

Our Data Products

Every Trade. Every Quote. Real-Time.

Access comprehensive market data through our terminal

All US exchanges, low latency, and developer-friendly APIs.

Stocks Data

Every trade. Every quote. Unfiltered.

Complete tick data from all US stock exchanges. No sampling, no filtering.
Real-time streaming with OHLC data, corporate actions, and historical access.

Options Data

Popular

All Exchanges. Complex Greeks. Low latency.

Comprehensive options data with 1st, 2nd, and 3rd order Greeks. Trade and quote data with implied volatility calculations. Real-time streaming and historical access.

Indices Data

Every tick. Every move. Real-time.

Real-time tick data for major indices including SPX, VIX, RUT and over 1000 other indices.
Price and OHLC data with live streaming capabilities and historical access.

Interest Rates Data

SOFR & Treasuries. 30+ years of history.

Comprehensive interest rates data including SOFR and Federal Treasury rates. Historical data for financial modeling, risk management, and derivatives pricing.

Why ThetaData

Built for Developers. Trusted by Traders.

Millisecond Latency

API-driven architecture eliminates browser bottlenecks. Direct WebSocket connections for real-time data delivery.

Unfiltered Data

Every trade, every quote from all US exchanges. No sampling, no filtering, no data loss. Complete market coverage.

Complete Greeks

1st, 2nd, and 3rd order Greeks for all options. Implied volatility, trade Greeks, and bulk operations for efficiency.

Developer-Friendly

Python and JavaScript SDKs. REST and WebSocket APIs. QuantConnect integration. Comprehensive documentation.

Terminal Application

Local intermediary between you and our cloud. Removes browser security issues and provides consistent API endpoints.

Flat Files Available

Bulk historical data downloads for backtesting. Options and stocks end-of-day data in convenient formats.

Ready to Get Started?

Start with our free tier and upgrade as you grow. No credit card required.