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The same data, behind a clean API.

REST + streaming endpoints, with Python and TypeScript clients. Drop them into a notebook, a script, or a production system. Bulk export to Parquet when you outgrow the API. Pre-built snapshots for the most common cohorts.

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Bulk export to Parquet when you outgrow the API. Pre-built snapshots for the most common cohorts.

  • 01REST + streaming endpoints, REST documented at /docs/api (Pro+)
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Quant Candles is a research terminal for working investors. Screen, backtest, and research decades of point-in-time equity history from one place — historical data is free forever, live quotes and the API unlock with Pro.

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