Tick-by-tick trades, Level-2 order-book depth and 1-minute OHLCV for 130,883 Polymarket instruments — prediction markets — captured co-located and normalized into one schema. Download any instrument-day, or explore it live in the analytics.
Every Polymarket print — price, size, side and exchange timestamp — at full resolution, not sampled.
Top-of-book and aggregated Level-2 depth, so you can reconstruct Polymarket liquidity and slippage.
Open/high/low/close, volume and VWAP per minute — ready for backtests and Polymarket signal research.
Bid-ask spreads in bps and ticks, normalized into one schema across every venue for apples-to-apples Polymarket comparison.
Ranked by archive size. Open any instrument for live analytics, or download its full history.
Polymarket historical data spans July 2025 – August 2026 across prediction markets. The archive holds 130,883 instruments over 1 base assets, for 15.6 TB of recorded market data.
One bundle = every contract of a series for one UTC day. Browse all series on the prediction-market data hub.
Tick-by-tick trades, Level-2 order-book depth, 1-minute OHLCV/VWAP and bid-ask spreads for 130,883 Polymarket instruments across prediction markets. Each file is one instrument for one UTC day.
Polymarket coverage runs July 2025 – August 2026. Availability varies per instrument — check the per-instrument calendar on the analyze page.
Yes — every file carries top-of-book and aggregated Level-2 depth alongside the raw trade stream, normalized into the same schema across all venues.
One zstd-compressed text file per instrument per UTC day, in the schema documented in the market-data specification. Grab free samples on the downloads page.
Yes — every free sample and every purchased tick day also exports as gzipped CSV or Parquet at no extra cost: trades in both formats. Polymarket records full order-book depth without a separate BBO stream — the free reader script converts depth locally. Timestamps are integer microseconds UTC and the columns load straight into pandas, polars or DuckDB — see the formats overview.
Files are priced per instrument-day with invoice on checkout — see pricing. Free full-day samples are available on the downloads page.