11 QUESTIONS IN THIS CATEGORY:

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If no trades occurred during an aggregate period, then no aggregate bar will be generated. For tick data, if no trades occurred, then no tick data would be available.
Jan 18, 2023

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We source our data directly from the SIPs. This includes every single trade and NBBO quote that occurs on any of the 19 US exchanges. Other providers typically source from a handful of exchanges instead of all of them.
Jan 18, 2023

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For any troubleshooting help, please contact support@polygon.io or use the widget in the bottom right corner of the screen.
Jan 18, 2023

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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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WebSocket disconnects can occur for a variety of reasons. Usually, a disconnect means the market data isn’t being consumed fast enough.
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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