Tick-by-tick trades and order-book depth for every Kalshi “Pro Baseball Spread” contract — 167 trading days as downloadable day bundles, €1 per day.
Trades and USD turnover summed over every contract of the series across 30 captured days to 2026-09-02, from the recorded tick data — the per-day averages divide by the captured days.
A series-day bundle contains every Pro Baseball Spread contract that traded on Kalshi on that UTC day — 277 contract files on the latest covered day. Each file carries the full raw feed: every trade print with price, size and side, plus Level-2 order-book updates, in the same zstd-compressed schema as our crypto venues. Event contracts quote 0..1; turnover is USD-normalized.
Coverage runs March 2026 – September 2026 — 167 trading days, 39.7 GB compressed in total. A day typically holds 226 contract files (up to 334 on the busiest day, 598 MB). Pick individual days in the shop calendar for €1 each; delivery is an instant per-file download or one archive for the whole day.
Files, size and trades / USD turnover per UTC day, from the recorded tick data.
The 24 largest Pro Baseball Spread contract files recorded on 2026-09-06 with that day’s trades, USD turnover and last price per contract— every contract of the series is inside that day's bundle; single contracts can also be bought as individual day files.
| Contract | File | Trades | Turnover | Close | |
|---|---|---|---|---|---|
| KXMLBSPREAD-26SEP061610ATHSEA-SEA2 | 11.8 MB | 1,913 | $235.3K | 0.990 | buy file → |
| KXMLBSPREAD-26SEP061210MILCIN-CIN2 | 10.8 MB | 1,884 | $148.5K | 0.990 | buy file → |
| KXMLBSPREAD-26SEP061210MILCIN-CIN3 | 10.1 MB | 2,655 | $155.7K | 0.990 | buy file → |
| KXMLBSPREAD-26SEP061210MILCIN-CIN4 | 9.42 MB | 1,652 | $84.5K | 0.990 | buy file → |
| KXMLBSPREAD-26SEP061610ATHSEA-SEA3 | 7.29 MB | 953 | $40.8K | 0.010 | buy file → |
| KXMLBSPREAD-26SEP061510STLCOL-STL2 | 6.94 MB | 1,251 | $74.0K | 0.990 | buy file → |
Tick-by-tick trades and Level-2 order-book depth for every contract of the Pro Baseball Spread series on Kalshi (277 contract files on the latest day). One bundle = one UTC day of the whole series.
KXMLBSPREAD — every contract of the series carries this prefix in its ticker (followed by the event date and strike). Files in a day bundle are named by the full contract ticker, so a bundle holds every KXMLBSPREAD-* contract that traded that UTC day.
Coverage runs March 2026 – September 2026 — 167 trading days in total.
One zstd-compressed text file per contract per UTC day, in the same normalized schema as our crypto venues — see the market-data specification; free samples on the downloads page.
Yes — trades export as gzipped CSV or Parquet at no extra cost, with integer microsecond UTC timestamps that load straight into pandas, polars or DuckDB. Kalshi records full order-book depth without a separate BBO stream, so book data ships in the native tick file — the free reader script converts it locally. See the formats overview.
€1 per series-day bundle — every contract of the series for that day, with invoice on checkout. Buy it in the Data Shop.
| ≈ $3.6M |
| Buy day → |
| 2026-09-02 | 301 | 509 MB | 78,831 | $7.6M | Buy day → |
| 2026-09-01 | 257 | 335 MB | 46,397 | $3.4M | Buy day → |
| 2026-08-31 | 161 | 113 MB | 25,324 | $2.6M | Buy day → |
| 2026-08-30 | 227 | 453 MB | 61,284 | $4.9M | Buy day → |
| 2026-08-29 | 321 | 507 MB | 55,581 | $4.6M | Buy day → |
| 2026-08-28 | 197 | 197 MB | 28,318 | $2.5M | Buy day → |
| 2026-08-27 | 192 | 245 MB | 25,921 | $2.2M | Buy day → |
| 2026-08-26 | 260 | 463 MB | 37,959 | $3.1M | Buy day → |
| 2026-08-25 | 246 | 291 MB | 38,897 | $2.8M | Buy day → |
| 2026-08-24 | 140 | 79.0 MB | 15,759 | $1.1M | Buy day → |
≈ marks an estimate: the average of the last 7 captured daysof this series, scaled by that day's contract-file count. Statistics for a day are captured the next morning UTC and replace the estimate; days that predate the capture show —.
| 6.76 MB |
| 958 |
| $44.0K |
| 0.010 |
| buy file → |
| KXMLBSPREAD-26SEP061435TBTEX-TB2 | 6.44 MB | 648 | $28.9K | 0.010 | buy file → |
| KXMLBSPREAD-26SEP061510STLCOL-STL4 | 6.35 MB | 874 | $49.4K | 0.010 | buy file → |
| KXMLBSPREAD-26SEP052110WSHLAD-LAD2 | 6.33 MB | 2,455 | $222.6K | 0.010 | buy file → |
| KXMLBSPREAD-26SEP061610NYYSD-SD2 | 6.26 MB | 913 | $44.7K | 0.010 | buy file → |
| KXMLBSPREAD-26SEP061210MILCIN-MIL2 | 6.25 MB | 1,915 | $262.7K | 0.010 | buy file → |
| KXMLBSPREAD-26SEP061510STLCOL-STL3 | 6.19 MB | 727 | $29.9K | 0.010 | buy file → |
| KXMLBSPREAD-26SEP061340DETCLE-DET2 | 5.65 MB | 453 | $7.2K | 0.010 | buy file → |
| KXMLBSPREAD-26SEP061435TBTEX-TEX2 | 5.61 MB | 942 | $52.1K | 0.990 | buy file → |
| KXMLBSPREAD-26SEP061310ATLPHI-PHI2 | 5.56 MB | 1,129 | $85.1K | 0.010 | buy file → |
| KXMLBSPREAD-26SEP061210MILCIN-CIN5 | 5.51 MB | 623 | $34.3K | 0.010 | buy file → |
| KXMLBSPREAD-26SEP061820MINCWS-CWS2 | 5.50 MB | 1,455 | $96.4K | 0.520 | buy file → |
| KXMLBSPREAD-26SEP061435TBTEX-TB3 | 5.34 MB | 390 | $42.3K | 0.010 | buy file → |
| KXMLBSPREAD-26SEP061335BOSBAL-BOS2 | 5.32 MB | 1,642 | $155.5K | 0.990 | buy file → |
| KXMLBSPREAD-26SEP061610NYYSD-SD3 | 5.28 MB | 1,279 | $88.2K | 0.010 | buy file → |
| KXMLBSPREAD-26SEP061340DETCLE-CLE2 | 5.22 MB | 960 | $16.4K | 0.010 | buy file → |
| KXMLBSPREAD-26SEP061210MILCIN-MIL3 | 5.15 MB | 319 | $8.3K | 0.010 | buy file → |
| KXMLBSPREAD-26SEP061610NYYSD-SD4 | 5.02 MB | 1,041 | $61.9K | 0.010 | buy file → |