Unrivaled stock data,
zero red tape
Polygon.io offers instant, scalable access to comprehensive U.S. stock data for business use cases. Our developer-centric APIs are designed to power both simple and complex financial applications seamlessly.
Intuitive and easy to use
Data for virtually any use case
Build internal tools, power analytics platforms, backtest investment strategies, and evaluate performance with institutional-grade market data.
- Build software
- Seamlessly iIntegrate real-time and historical data to create custom financial applications for trading, portfolio management, and risk assessment.
- Train AI
- Access a wealth of financial data to train machine learning models for predictive analytics, algorithmic trading, and market sentiment analysis.
- Analyze Signals
- Use high-fidelity market data to measure returns, attribute results, and continuously improve your investment strategy.
Everything you need to power your app
We seamlessly blend multiple exchange feeds to generate an exceptionally accurate Fair Market Value for tradable securities using our proprietary algorithm.
- Complete market history.
- Access full historical market data, reflecting 100% of total market volume across all exchanges after each trading day.
- Extensive reference data.
- Sourced from the most accurate and reliable sources, fully standardized and accessible through our easy-to-use reference data API endpoints.
- Company tickers
- 0+
- Historical data
- 0+ Years
- Market coverage
- 0%
Data for all US exchange-listed stocks
32,345+ US equities tickers
Ticker | Coverage start | Coverage end | Listing exchange |
---|---|---|---|
AAPLApple Inc. | September 1st, 2003 | Present | XNAS |
NVDANvidia Corp | September 1st, 2003 | Present | XNAS |
AMZNAmazon.com Inc | September 1st, 2003 | Present | XNAS |
MSFTMicrosoft Corp | September 1st, 2003 | Present | XNAS |
TSLATesla, Inc. Common Stock | June 29th, 2010 | Present | XNAS |
NFLXNetflix Inc | September 1st, 2003 | Present | XNAS |
Mission critical market data
Rigorous data quality
Our multi-layered approach to data redundancy and backup ensures uninterrupted access to stock feeds, safeguarding your applications and tools against potential data loss.
- Redundant networks.
- We operate two fully isolated networks to ingest and process data feeds, ensuring uninterrupted service even in the event of hardware failures.
- HA streaming.
- Data flows through our systems using a highly available messaging system, ensuring uptime and speed.
- Polygon datastore.
- Historical data is stored in our nanosecond precision proprietary database - resulting in blazing fast API response times.
Intuitive and easy-to-use
Powerful data, simple access
Choose the data access method that suits your needs and get started today.
Flat Files
Our S3 interface lets you access our flat files easily and seamlessly. With just a few clicks, you'll have the data you need to power your applications.
API
Our Restful and WebSocket APIs provide flexible and powerful options for accessing historical data, we've got you covered.
SQL
Our SQL Query option lets you harness the power of SQL to access our data. With this flexible and intuitive option, you can easily customize queries to fit your needs.
Built for engineers
All plans include unlimited API calls and up to three concurrent WebSocket connections plus one for each data expansion.
Developer-friendly access
The industry-leading entry point for businesses, no extra licensing required
We've developed an algorithm that generates an accurate indication of a securities' value in real-time. Perfect for charting.
Our extensive archive of stock market data goes back over two decades, because we understand that historical context is crucial.
We provide comprehensive, accurate company reference data, essential for smart investment choices.
See market trends as they happen with complete volume from every exchange across the US market, in real-time.
Access every trade and NBBO Quote at nanosecond granularity after end-of-day. Intraday ticks are available with exchange expansions.
Receive fair market value updates as frequently as once per second from 4AM-8PM ET, enabling your application to serve a global user base.
Build on our platform with confidence, knowing that we are committed to transparent pricing with no hidden costs.
With SLAs available in our enterprise plans, enjoy peace of mind with the guarantee of consistent, reliable service.
Personalized support via convenient, developer-friendly channels is available for enterprise users.
Simple pricing
Pricing plans for teams of all sizes
- US Coverage
- Unlimited API Calls
- 20+ Years Historical Data
- No Exchange Fees or Approvals
- Unlimited File Downloads
- Real-time Fair Market Value
- Reference Data
- Fundamentals Data
- Corporate Actions
- Technical Indicators
- Minute Aggregates
- Real-time Streaming
- Snapshot
- Trades
- Quotes
- Everything in Business
- Exchange Feeds Tailored for Your Use Case
- Upgrades for Additional Ticks
- SLAs
- Dedicated Slack Channel
- Implementation Support
- Access to our Customer Success Team
Enhanced accuracy with data feed expansions
Add expansions to get even more data
Easily layer on additional tick level trade and quote data directly from top US exchanges. Additional exchange fees apply to these products. Our experts will help you understand their fees and guide you through exchange approval.
Cboe EDGX
Add real-time trades and BBO quotes from Cboe EDGX TOP exchange.
Nasdaq Basic
Add real-time trades and BBO quotes from Nasdaq's 4 exchanges.
Full Market Delayed
15-minute delayed trades and quotes from every US exchange.
Full Market
Real-time trades and BBO quotes from every US exchange.
IEX Exchange
Add real-time trades and BBO quotes from the IEX exchange.
Startup pricing
Startup? We got you.
Business friendly access
Explore more data solutions
- Options for Business
All US Exchanges + Darkpools
- Tickers
- 1,670,030+
- Coverage Start
- July 01, 2014
- Rows
- 722 Billion+
- Indices for Business
S&P, Dow Jones, FTSE, and more
- Tickers
- 11,409+
- Coverage Start
- March 19, 2023
- Rows
- 20 Million+
- Currencies for Business
Forex and Crypto Currencies
- Tickers
- 1,750+
- Coverage Start
- August 15, 2015
- Rows
- 2 Billion+