Tick-by-tick trades and order-book depth for every Kalshi “Big Ten Champion” contract — 183 trading days as downloadable day bundles, €1 per day.
Per-day trade and turnover statistics exist from July 2026 onward; older days are archived without them.
A series-day bundle contains every Big Ten Champion contract that traded on Kalshi on that UTC day — 18 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 — 183 trading days, 39.6 MB compressed in total. A day typically holds 18 contract files (up to 18 on the busiest day, 1.87 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 — where our daily statistics exist — trades and USD turnover per UTC day. “—” means the day predates the statistics capture, not zero activity.
The 18 largest Big Ten Champion contract files recorded on 2026-09-02 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 | |
|---|---|---|---|---|---|
| KXNCAAFB10-26-UCLA | 57.1 KB | 10 | $2.98 | 0.010 | buy file → |
| KXNCAAFB10-26-OSU | 18.0 KB | 5 | $19.09 | 0.310 | buy file → |
| KXNCAAFB10-26-MICH | 14.6 KB | 2 | $18.8 | 0.060 | buy file → |
| KXNCAAFB10-26-ORE | 14.4 KB | 7 | $124.63 | 0.260 | buy file → |
| KXNCAAFB10-26-PSU | 13.6 KB | 7 | $228.61 | 0.050 | buy file → |
| KXNCAAFB10-26-IND | 11.7 KB | 5 | $95.58 | 0.240 | buy file → |
| KXNCAAFB10-26-USC | 10.3 KB | 4 |
Tick-by-tick trades and Level-2 order-book depth for every contract of the Big Ten Champion series on Kalshi (18 contract files on the latest day). One bundle = one UTC day of the whole series.
KXNCAAFB10 — 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 KXNCAAFB10-* contract that traded that UTC day.
Coverage runs March 2026 – September 2026 — 183 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.
| Buy day → |
| 2026-08-26 | 18 | 183 KB | 17 | $2.1K | Buy day → |
| 2026-08-25 | 18 | 673 KB | 31 | $1.1K | Buy day → |
| 2026-08-24 | 18 | 276 KB | 10 | $270.54 | Buy day → |
| 2026-08-23 | 18 | 391 KB | 16 | $487.6 | Buy day → |
| 2026-08-22 | 18 | 185 KB | 14 | $236.25 | Buy day → |
| 2026-08-21 | 18 | 564 KB | — | — | Buy day → |
| 2026-08-20 | 18 | 377 KB | 11 | $344.68 | Buy day → |
| $122.74 |
| 0.060 |
| buy file → |
| KXNCAAFB10-26-IOWA | 9.27 KB | 0 | $0 | 0.020 | buy file → |
| KXNCAAFB10-26-WASH | 8.58 KB | 0 | $0 | 0.020 | buy file → |
| KXNCAAFB10-26-NEB | 7.19 KB | 0 | $0 | — | buy file → |
| KXNCAAFB10-26-MINN | 6.07 KB | 4 | $35.55 | 0.010 | buy file → |
| KXNCAAFB10-26-WIS | 5.46 KB | 1 | $0.52 | 0.010 | buy file → |
| KXNCAAFB10-26-RUTG | 4.84 KB | 6 | $2.14 | 0.010 | buy file → |
| KXNCAAFB10-26-PUR | 4.35 KB | 0 | $0 | — | buy file → |
| KXNCAAFB10-26-MSU | 4.17 KB | 3 | $0.56 | 0.010 | buy file → |
| KXNCAAFB10-26-ILL | 3.90 KB | 0 | $0 | — | buy file → |
| KXNCAAFB10-26-NW | 3.89 KB | 0 | $0 | — | buy file → |
| KXNCAAFB10-26-MD | 3.64 KB | 0 | $0 | — | buy file → |