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There is no limitation on our side to the number of tickers you can subscribe to at once. As long as you can consume the data fast enough, you can subscribe to all tickers and all events simultaneously in one WebSocket feed.
Feb 13, 2023
We do not remove companies that have been delisted from the exchanges. We store the market data exactly as it happened on that date in time.
Feb 13, 2023
Polygon.io serves both professional and non-professional users. The professional status is determined once you sign up on the website and complete a small list of questions.
Jan 25, 2023
Each account comes with access to one simultaneous WebSocket connection per cluster.
Jan 17, 2023
Our WebSockets are only available through our paid subscriptions. If you receive a “not authorized” message, you will need to upgrade your account in order to access the WebSockets.
Jan 17, 2023
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All data provided on Polygon is provided for informational purposes only, and is not intended for trading or investing purposes. Polygon provides all information as is. You must not redistribute information displayed on or provided by Polygon. Stock prices displayed in the ticker are from a subset of exchanges, this price does not represent the real-time price from the SIP.
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