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MarketParquet

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MarketParquet provides 26 years of split-adjusted US stock, ETF, and futures OHLCV data as clean Parquet files — one file per trading day, 1-minute to daily bars, delisted tickers included (no survivorship bias). Files load directly into pandas, Polars, or DuckDB with no preprocessing. Built for quantitative researchers, algorithmic traders, and data teams. $79 one-time for the complete archive with unlimited downloads; optional monthly add-on keeps data current with daily updates. Free sample available.

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