# Kalshi Challenger ATP Historical Data > Canonical HTML (full statistics, contract grids, FAQ): https://cryptostruct.com/prediction-markets/kalshi-kxatpchallengermatch · This document: https://cryptostruct.com/prediction-markets/kalshi-kxatpchallengermatch.md · Buy: https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpchallengermatch Every Kalshi “Challenger ATP ” contract of the day — every trade print and the complete Level-2 book, captured co-located with nanosecond venue and receive timestamps. 234 trading days as day bundles, €1 per day, bought as a guest with instant download. ## Facts - Venue: Kalshi (`kalshi`) · Category: Sports · Interval: event · Venue ticker: `KXATPCHALLENGERMATCH` - Bundle id (MCP/HTTP `instrument_id` with `kind: "series_day"`): `9000000156` · Series key: `kalshi-kxatpchallengermatch` - Price: **€1.00 per bundle day** (every contract file of the series on that UTC day; tax-inclusive) - Coverage: 234 days from 2026-02-26 to 2026-10-17 · 81.3 GB compressed in total · typically 119 files per day (up to 306) ## How to buy - Web: https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpchallengermatch — pre-filled days: `https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpchallengermatch&d=..2026-10-17` - MCP (https://cryptostruct.com/mcp): `get_bundle_coverage {series_key: "kalshi-kxatpchallengermatch"}` → `create_checkout` with `{instrument_id: 9000000156, date: "", kind: "series_day"}` - HTTP: `POST https://cryptostruct.com/api/quote` with the same items → guest checkout (https://cryptostruct.com/docs/api.md) - Delivery: one ZIP per day (`&kind=series_day&zip=1` on the order download route), one resumable tar for multi-day ranges — contract in https://cryptostruct.com/llms.txt ## Last 30 recorded days | UTC day | Files | Size (zstd) | Trades | Turnover (USD) | Buy | | --- | --- | --- | --- | --- | --- | | 2026-10-17 | 92 | 121 MB | 107,673 | $7,419,681 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpchallengermatch&d=2026-10-17 | | 2026-10-16 | 60 | 296 MB | 459,098 | $29,282,809 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpchallengermatch&d=2026-10-16 | | 2026-10-15 | 76 | 222 MB | 260,419 | $19,130,810 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpchallengermatch&d=2026-10-15 | | 2026-10-14 | 104 | 286 MB | 287,406 | $20,414,579 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpchallengermatch&d=2026-10-14 | | 2026-10-13 | 188 | 593 MB | 472,092 | $27,436,840 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpchallengermatch&d=2026-10-13 | | 2026-10-12 | 190 | 545 MB | 383,466 | $21,221,466 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpchallengermatch&d=2026-10-12 | | 2026-10-11 | 230 | 531 MB | 209,204 | $11,552,717 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpchallengermatch&d=2026-10-11 | | 2026-10-10 | 126 | 106 MB | 97,803 | $6,097,828 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpchallengermatch&d=2026-10-10 | | 2026-10-09 | 50 | 222 MB | 245,183 | $16,996,473 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpchallengermatch&d=2026-10-09 | | 2026-10-08 | 78 | 371 MB | 405,877 | $26,594,571 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpchallengermatch&d=2026-10-08 | | 2026-10-07 | 90 | 415 MB | 272,027 | $20,016,765 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpchallengermatch&d=2026-10-07 | | 2026-10-06 | 136 | 558 MB | 419,739 | $29,157,730 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpchallengermatch&d=2026-10-06 | | 2026-10-05 | 172 | 489 MB | 347,119 | $21,880,766 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpchallengermatch&d=2026-10-05 | | 2026-10-04 | 194 | 632 MB | 266,664 | $17,037,512 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpchallengermatch&d=2026-10-04 | | 2026-10-03 | 106 | 103 MB | 83,288 | $5,601,965 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpchallengermatch&d=2026-10-03 | | 2026-10-02 | 60 | 325 MB | 314,405 | $22,831,739 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpchallengermatch&d=2026-10-02 | | 2026-10-01 | 84 | 407 MB | 302,908 | $22,204,277 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpchallengermatch&d=2026-10-01 | | 2026-09-30 | 124 | 462 MB | 272,023 | $19,921,403 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpchallengermatch&d=2026-09-30 | | 2026-09-29 | 188 | 699 MB | 362,992 | $27,902,054 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpchallengermatch&d=2026-09-29 | | 2026-09-28 | 202 | 768 MB | 443,858 | $30,605,190 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpchallengermatch&d=2026-09-28 | | 2026-09-27 | 208 | 796 MB | 290,925 | $16,826,973 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpchallengermatch&d=2026-09-27 | | 2026-09-26 | 76 | 157 MB | 181,120 | $11,563,091 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpchallengermatch&d=2026-09-26 | | 2026-09-25 | 46 | 268 MB | 313,408 | $22,619,686 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpchallengermatch&d=2026-09-25 | | 2026-09-24 | 56 | 289 MB | 331,337 | $27,667,232 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpchallengermatch&d=2026-09-24 | | 2026-09-23 | 66 | 304 MB | 322,683 | $25,260,585 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpchallengermatch&d=2026-09-23 | | 2026-09-22 | 154 | 731 MB | 491,551 | $40,011,177 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpchallengermatch&d=2026-09-22 | | 2026-09-21 | 168 | 675 MB | 352,007 | $25,053,437 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpchallengermatch&d=2026-09-21 | | 2026-09-20 | 170 | 634 MB | 264,067 | $19,261,972 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpchallengermatch&d=2026-09-20 | | 2026-09-19 | 98 | 184 MB | 189,499 | $13,615,293 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpchallengermatch&d=2026-09-19 | | 2026-09-18 | 62 | 238 MB | 170,874 | $13,555,094 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpchallengermatch&d=2026-09-18 | Trades and turnover are our own counts from the recorded feed; "—" = not yet computed. ⚠ marks a partial day — contract windows or files that were never recorded; such days are sold as-is. Terms: https://cryptostruct.com/terms.md · Data license: https://cryptostruct.com/license · Prediction-market hub: https://cryptostruct.com/prediction-markets