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
Everything you need to power your app
- 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
- 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
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 our data. Whether you need real-time or 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
- Fair market value
We've developed an algorithm that generates an accurate indication of a securities' value in real-time. Perfect for charting.
- Over 20 years of history
Our extensive archive of stock market data goes back over two decades, because we understand that historical context is crucial.
- Reference data
We provide comprehensive, accurate company reference data, essential for smart investment choices.
- Complete market volume
See market trends as they happen with complete volume from every exchange across the US market, in real-time.
- Complete tick history
Access every trade and NBBO Quote at nanosecond granularity after end-of-day. Intraday ticks are available with exchange expansions.
- Extended hours coverage
Receive fair market value updates as frequently as once per second from 4AM-8PM ET, enabling your application to serve a global user base.
- No extra fees
Build on our platform with confidence, knowing that we are committed to transparent pricing with no hidden costs.
- SLA
With SLAs available in our enterprise plans, enjoy peace of mind with the guarantee of consistent, reliable service.
- Dedicated Slack channels
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
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.
Frequently asked questions
- Title
- Does Polygon offer dark pool data?
- Data Coverage Category
Data Coverage
- Stocks Category
Stocks
- Description
- Yes, we provide dark pool data. If a trade comes through with an exchange ID of 4 (exchange:4) and also has an attached “trf_id” field, it came from a dark pool.
- Title
- Does Polygon offer pre-market and after-hours data?
- FAQ Category
FAQ
- Stocks Category
Stocks
- Description
- Yes, we provide data for every trade that occurs, including during pre-market and after-hours. Our tick-level market data streams during these extended hours as well.
- Title
- How does Polygon create the OHLCV (open, high, low, close, volume) aggregate bars?
- Aggregates Category
Aggregates
- FAQ Category
FAQ
- Stocks Category
Stocks
- Description
- Polygon uses the “Sale Conditions” attached to each trade to determine if that trade is eligible to update the aggregate
Business-friendly access
Explore more data
All US Exchanges + Darkpools
- Tickers
- 1,670,030+
- Coverage Start
- July 18, 2014
- Rows
- 722 Billion+
S&P, Dow Jones, FTSE, and more
- Tickers
- 11,409+
- Coverage Start
- March 9, 2023
- Rows
- 20 Million+