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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
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- 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
- Polygon sources its U.S. stock market data from venues including the Securities Information Processors (SIPs), which consolidate quotes and trades from all exchanges, direct connections to major U.S. stock exchanges, FINRA Trading Facilities for off-exchange trades, the OTC Reporting Facility, Alternative Trading Systems (ATSs), and other data sources.
- 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
- For our real-time Stocks plan for individuals, the SIPs require that we collect and maintain personal information and employment information to classify market data subscribers as either non-professional or professional based on usage and registration status.