Tick-by-tick trades, Level-2 order-book depth and 1-minute OHLCV for 56,501 Kalshi instruments — prediction markets — captured co-located and normalized into one schema. Download any instrument-day, or explore it live in the analytics.
Every Kalshi print — price, size, side and exchange timestamp — at full resolution, not sampled.
Top-of-book and aggregated Level-2 depth, so you can reconstruct Kalshi liquidity and slippage.
Open/high/low/close, volume and VWAP per minute — ready for backtests and Kalshi signal research.
Bid-ask spreads in bps and ticks, normalized into one schema across every venue for apples-to-apples Kalshi comparison.
Ranked by archive size. Open any instrument for live analytics, or download its full history.
| Instrument | Type | Coverage | Size | |
|---|---|---|---|---|
| KXMLB-26-NYY | Predictions | March 2026 – July 2026 | 554 MB | Download |
| KXGOLDMON-26JUL3117-T4511.99 | Predictions | July 2026 | 336 MB | Download |
| KXWTI-26NOV03-T115.99 | Predictions | May 2026 – July 2026 | 282 MB | Download |
| KXMLB-26-MIL | Predictions | March 2026 – July 2026 | 280 MB | Download |
| KXMLB-26-ATL | Predictions | March 2026 – July 2026 | 265 MB | Download |
| KXWTI-26NOV03-T108.99 | Predictions | May 2026 – July 2026 | 238 MB | Download |
| KXMLB-26-PHI | Predictions | March 2026 – July 2026 | 233 MB | Download |
| KXMLB-26-LAD | Predictions | March 2026 – July 2026 | 233 MB | Download |
| KXMLB-26-SEA | Predictions | March 2026 – July 2026 | 228 MB | Download |
| KXWTI-26NOV03-T114.99 | Predictions | May 2026 – July 2026 | 206 MB | Download |
| KXWTI-26NOV03-T111.99 | Predictions | May 2026 – July 2026 | 189 MB | Download |
| KXSILVERMON-26JUL3117-T52.99 | Predictions | July 2026 | 181 MB | Download |
Kalshi historical data spans February 2026 – July 2026 across prediction markets. The archive holds 56,501 instruments over 1 base assets, for 1.36 TB of recorded market data.
Tick-by-tick trades, Level-2 order-book depth, 1-minute OHLCV/VWAP and bid-ask spreads for 56,501 Kalshi instruments across prediction markets. Each file is one instrument for one UTC day.
Kalshi coverage runs February 2026 – July 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.
Files are priced per instrument-day with invoice on checkout — see pricing. Free full-day samples are available on the downloads page.