You can use our Tickers Endpoint to query a list of supported indices.
Knowledge Base/Where does Polygon source their indices data?
Where does Polygon source their indices data?
Polygon.io sources Indices data from CME Group, CBOE, and Nasdaq. You can use our Tickers Endpoint to query a list of supported indices.
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- Title
- Are all Indices available through the basic subscription tier?
- Data Coverage Category
Data Coverage
- Indices Category
Indices
- Description
- No, certain indices are only available through paid subscription tiers.
- 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.