Tick-by-tick trades, Level-2 order-book depth and 1-minute OHLCV for 179,871 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 – September 2026 across prediction markets. The archive holds 179,871 instruments over 1 base assets, for 17.2 TB of recorded market data.
By USD turnover from our own daily statistics over every contract of the series; full ranking on the leaderboard.
| # | Series | Trades (30d) | Turnover (30d) | Days | |
|---|---|---|---|---|---|
| 1 | League of Legends esports | 1,422,062 | $238.2M | 30 | Buy days |
| 2 | BTC Up/Down 5m | 14,379,254 | $214.1M | 30 | Buy days |
| 3 | ATP Tennis (matches & props) | 1,033,976 | $167.0M | 30 | Buy days |
| 4 | MLB (games & props) | 863,810 | $150.4M | 30 | Buy days |
| 5 | Dota 2 esports | 565,204 | $131.5M | 30 | Buy days |
| 6 | Counter-Strike 2 esports | 955,560 | $121.2M | 30 | Buy days |
| 7 | WTA Tennis (matches & props) | 427,377 | $71.2M | 30 | Buy days |
| 8 | English Premier League | 207,443 | $55.7M | 30 | Buy days |
Trades and USD turnover summed over every contract of the series, from the recorded tick data; 30 days to 2026-09-02. Series without statistics in the window are omitted.
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 179,871 Polymarket instruments across prediction markets. Each file is one instrument for one UTC day.
Polymarket coverage runs July 2025 – September 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.