Knowledge Base/Is Polygon’s stock data adjusted for splits or dividends?
Is Polygon’s stock data adjusted for splits or dividends?
Yes, we support historical market data that is both adjusted and unadjusted for splits.
You can toggle split adjustments using "&adjusted=true/false" in any of our aggregate requests. We have plans to add dividend-adjusted data in the future.
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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
- Why does volume return as a FLOAT value from the Aggregates Endpoint?
- Stocks Tag
Stocks
- FAQ Tag
FAQ
- Description
- These decimal values are entirely normal when requesting adjusted data for stocks that have split.
- 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.