Stock API with real-time and historical tick data, unlimited usage via REST or WebSockets, standardized JSON and CSV formats. Instant access free tier.

Every trade and quote from the US stock markets for the last 20 years. Stream data in realtime or use our intuitive stock APIs.

Sep 2, 2025 · The Polygon.io Stocks API provides REST endpoints that let you query the latest market data from all US stock exchanges. You can also find data on company financials, stock market …

May 21, 2024 · Build a stock app with Polygon.io and Streamlit Learn how to build a simple data app Snowflake’s Streamlit framework to visualize historical stock data using the Stock API.

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This has led to a sell-off in stocks like GE Vernova, which had soared on the back of this thesis.","keywords":["AI","data centers","power demand","GE …

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Arqit Quantum Inc. Warrants (ARQQW) stock news, stock charts, stock quotes, earnings