Knowledge Base/Data Coverage
Knowledge Base
Data Coverage
This category encompasses all topics related to the range and extent of data available through Polygon.io. It includes discussions and information about the various types of financial data we provide, such as real-time and historical data for stocks, indices, options, forex, and cryptocurrencies.
- Title
- Does Polygon support options data for index contracts?
- Data Coverage Tag
Data Coverage
- Options Tag
Options
- Indices Tag
Indices
- Description
- Yes, polygon supports option contracts for all index contracts.
- Title
- Does Polygon have a market holiday or status page
- Data Coverage Tag
Data Coverage
- Reference Data Tag
Reference Data
- Description
- Yes, we have a Market Status endpoint that returns the current trading status of the exchanges and overall financial markets. This includes whether the exchanges are in pre-market, normal trading hours, or after-hours.
- Title
- Does Polygon support Greeks for index option contracts?
- Data Coverage Tag
Data Coverage
- Options Tag
Options
- Description
- Yes, Polygon supports Greeks data for all index option contracts.
- Title
- Does Polygon Offer International Data?
- Data Coverage Tag
Data Coverage
- Stocks Tag
Stocks
- Description
- No, we currently only support US markets, but we plan on branching out into international markets in the future.
- Title
- What fields can I expect from Polygon’s Financials API?
- Data Coverage Tag
Data Coverage
- Reference Data Tag
Reference Data
- Description
- To make the data more comparable across reports, we parse the XBRL and map tags to the generalized financial concepts that we return in our API.
- Title
- Why is Polygon’s market data different from other providers?
- Sources Tag
Sources
- Data Coverage Tag
Data Coverage
- FAQ Tag
FAQ
- Description
- We source our data directly from the SIPs (Securities Information Processors), which includes every single trade and NBBO quote that occurs on any of the 19 US exchanges.
- Title
- Does Polygon support commodities data?
- Data Coverage Tag
Data Coverage
- Forex Tag
Forex
- Description
- We do not currently support commodities data, however, we plan to in the near future. We currently only provide data for Gold, Platinum, Palladium, and Silver through our forex endpoints.
- Title
- How can I redistribute Polygon’s market data?
- Data Coverage Tag
Data Coverage
- Business Tag
Business
- Description
- Any user who wishes to redistribute Polygon.io’s market data must sign up for one of our business products.
- 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 support market data outside of normal trading hours?
- Data Coverage Tag
Data Coverage
- Description
- Yes! You can expect trades to come through from 4 AM EST to 8 PM EST.
- Title
- Does Polygon have an endpoint that returns the latest trades, quotes and aggregates in one request?
- Data Coverage Tag
Data Coverage
- Stocks Tag
Stocks
- Aggregates Tag
Aggregates
- Description
- Yes, we have a group of endpoints called Snapshots that return a ‘snapshot’ of the market for a single ticker, a group of tickers, or all tickers on the market.
- Title
- Are all Indices available through the basic subscription tier?
- Indices Tag
Indices
- Data Coverage Tag
Data Coverage
- Description
- No, certain indices are only available through paid subscription tiers.
- Title
- How much historical stock data does Polygon have?
- Data Coverage Tag
Data Coverage
- Stocks Tag
Stocks
- Description
- We offer historical tick-level data for stocks dating back to 2004. This includes tick-level trades, NBBO (National Best Bid and Offer) quotes, and custom aggregates with a resolution of 1 second.
- Title
- What are the different Polygon subscriptions I can use?
- Data Coverage Tag
Data Coverage
- Description
- We have three different subscriptions for four types of data: US stocks, currencies (Forex + Crypto), and US options.
- Title
- What are the different types of tickers that Polygon supports?
- Data Coverage Tag
Data Coverage
- Stocks Tag
Stocks
- Description
- When investors think of stocks, they typically think of publicly listed shares of a company traded on a stock exchange.
- Title
- What symbols/exchanges are included in Polygon’s data?
- Data Coverage Tag
Data Coverage
- Stocks Tag
Stocks
- Options Tag
Options
- Description
- We support the entire US equities market as well as the entire US options market.
- Title
- Does Polygon have data for any options that are traded after 4 PM EST?
- Data Coverage Tag
Data Coverage
- Options Tag
Options
- Description
- Yes, we support every single Option trade that occurs on the US Options market. Typically, Options trading ends at 4 PM EST. However, there are a handful of ETF Options contracts that trade until 4:15 PM EST.
- Title
- Does Polygon offer any technical indicators?
- Data Coverage Tag
Data Coverage
- Stocks Tag
Stocks
- Reference Data Tag
Reference Data
- Description
- Yes, Polygon offers RESTful endpoints for four of the most common technical indicators.
- 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
- Does Polygon offer Level 2 data?
- Data Coverage Tag
Data Coverage
- Crypto Tag
Crypto
- Stocks Tag
Stocks
- WebSockets Tag
WebSockets
- Description
- No, we currently do not provide level 2 market depth information for stocks.
- Title
- Does Polygon offer sample code?
- Data Coverage Tag
Data Coverage
- Description
- Yes, Polygon.io has tutorials and examples that will help you get up and running with our financial data APIs. We provide a variety of different client libraries to help get you started as well.
- Title
- Does Polygon provide the filing date for any financial reports?
- Data Coverage Tag
Data Coverage
- Financials Tag
Financials
- Reference Data Tag
Reference Data
- Stocks Tag
Stocks
- Description
- Yes, we provide 10K and 10Q financial reports for all US-based companies through our Stock Financials endpoint. We source this data directly from the SEC Edgar database.
