Let's talk
Contact Us
Real people dedicated to providing you with exceptional assistance.
Connect via email
Connect with our team via email for prompt assistance, tailored support, or potential partnerships.
Sales
Email directly with market data experts
Support
Ask devs with experience using Polygon
Join our team
Feel like you belong here?
Say hello
You may hear back from our CEO
Modernizing Wall St.
Reimagining financial market data for the 21st century.
Schedule a demo
Talk with our market data experts
Locations
Offices and data center locations across multiple cities
Atlanta
331 Elizabeth St Suite A
Atlanta, GA 30307
New York
800 Secaucus Rd
Secaucus, NJ 07094
Chicago
350 E Cermak Rd
Chicago, IL 60616
Frequently asked questions
Can’t find the answer you’re looking for? Check out our knowledge base or contact our team.
- Title
- Does Polygon offer pre-market and after-hours data?
- Stocks Tag
Stocks
- FAQ Tag
FAQ
- 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
- Where does Polygon’s Stock data come from?
- Data Coverage Tag
Data Coverage
- Stocks Tag
Stocks
- FAQ Tag
FAQ
- Description
- We receive data directly from both SIPs (Security Information Processors) as RAW binary feeds rather than via retransmission or through an intermediary.
- Title
- Does Polygon offer dark pool data?
- Data Coverage Tag
Data Coverage
- Stocks Tag
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
- How does Polygon create the OHLCV (open, high, low, close, volume) aggregate bars?
- Stocks Tag
Stocks
- Aggregates Tag
Aggregates
- FAQ Tag
FAQ
- Description
- Polygon uses the “Sale Conditions” attached to each trade to determine if that trade is eligible to update the aggregate
- Title
- What are pro and non-pro classifications for Polygon’s stock data?
- FAQ Tag
FAQ
- Stocks Tag
Stocks
- Business Tag
Business
- Description
- Polygon.io serves both professional and non-professional users. However, there are a few differences between the two statuses.