Tick-by-tick trades and order-book depth for every Kalshi “Boston Maximum Daily Temperature” contract — 186 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 Boston Maximum Daily Temperature 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 — 186 trading days, 2.18 GB compressed in total. A day typically holds 18 contract files (up to 24 on the busiest day, 48.5 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 18 largest Boston Maximum Daily Temperature contract files recorded on 2026-09-05 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 | |
|---|---|---|---|---|---|
| KXHIGHTBOS-26SEP05-B72.5 | 3.50 MB | 745 | $6.0K | 0.990 | buy file → |
| KXHIGHTBOS-26SEP06-B69.5 | 2.93 MB | 47 | $72.66 | 0.390 | buy file → |
| KXHIGHTBOS-26SEP06-B71.5 | 2.13 MB | 84 | $156.88 | 0.290 | buy file → |
| KXHIGHTBOS-26SEP05-B70.5 | 1.95 MB | 313 | $922.17 | 0.010 | buy file → |
| KXHIGHTBOS-26SEP06-T67 | 1.24 MB | 55 | $22.56 | 0.120 | buy file → |
| KXHIGHTBOS-26SEP05-B74.5 | 1.13 MB | 421 | $694.88 | 0.010 | buy file → |
| KXHIGHTBOS-26SEP06-B67.5 |
Tick-by-tick trades and Level-2 order-book depth for every contract of the Boston Maximum Daily Temperature series on Kalshi (18 contract files on the latest day). One bundle = one UTC day of the whole series.
KXHIGHTBOS — 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 KXHIGHTBOS-* contract that traded that UTC day.
Coverage runs March 2026 – September 2026 — 186 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.
| $8.5K |
| Buy day → |
| 2026-09-01 | 18 | 9.25 MB | 2,352 | $9.6K | Buy day → |
| 2026-08-31 | 18 | 4.75 MB | 516 | $2.4K | Buy day → |
| 2026-08-30 | 18 | 9.60 MB | 1,169 | $5.1K | Buy day → |
| 2026-08-29 | 18 | 9.76 MB | 1,080 | $2.8K | Buy day → |
| 2026-08-28 | 18 | 12.0 MB | 1,079 | $6.8K | Buy day → |
| 2026-08-27 | 18 | 9.42 MB | 824 | $3.0K | Buy day → |
| 2026-08-26 | 18 | 48.5 MB | 1,273 | $6.0K | Buy day → |
| 2026-08-25 | 18 | 14.3 MB | 1,801 | $5.1K | Buy day → |
| 2026-08-24 | 18 | 18.6 MB | 2,470 | $8.9K | Buy day → |
| 2026-08-23 | 18 | 8.06 MB | 622 | $3.7K | 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 —.
| 1.10 MB |
| 13 |
| $19.24 |
| 0.230 |
| buy file → |
| KXHIGHTBOS-26SEP05-T70 | 594 KB | 303 | $187.95 | 0.010 | buy file → |
| KXHIGHTBOS-26SEP05-B76.5 | 568 KB | 215 | $123.17 | 0.010 | buy file → |
| KXHIGHTBOS-26SEP05-T77 | 440 KB | 112 | $47.65 | 0.010 | buy file → |
| KXHIGHTBOS-26SEP06-T74 | 155 KB | 48 | $36.99 | 0.050 | buy file → |
| KXHIGHTBOS-26SEP06-B73.5 | 128 KB | 24 | $10.79 | 0.090 | buy file → |
| KXHIGHTBOS-26SEP04-B82.5 | 78.2 KB | 0 | $0 | 0.010 | buy file → |
| KXHIGHTBOS-26SEP04-B80.5 | 58.5 KB | 1 | $0.94 | 0.010 | buy file → |
| KXHIGHTBOS-26SEP04-T87 | 55.7 KB | 0 | $0 | 0.010 | buy file → |
| KXHIGHTBOS-26SEP04-B86.5 | 52.8 KB | 0 | $0 | 0.010 | buy file → |
| KXHIGHTBOS-26SEP04-T80 | 45.7 KB | 0 | $0 | 0.010 | buy file → |
| KXHIGHTBOS-26SEP04-B84.5 | 3.75 KB | 0 | $0 | 0.990 | buy file → |