# Kalshi KXATPSSPREAD — ATP Set Spread Data

> Canonical HTML (full statistics, contract grids, FAQ): https://cryptostruct.com/prediction-markets/kalshi-kxatpsspread · This document: https://cryptostruct.com/prediction-markets/kalshi-kxatpsspread.md · Buy: https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpsspread

Every Kalshi “ATP Set Spread” contract of the day — every trade print and the complete Level-2 book, captured co-located with nanosecond venue and receive timestamps. 14 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: `KXATPSSPREAD`
- Bundle id (MCP/HTTP `instrument_id` with `kind: "series_day"`): `9000001852` · Series key: `kalshi-kxatpsspread`
- Price: **€1.00 per bundle day** (every contract file of the series on that UTC day; tax-inclusive)
- Coverage: 14 days from 2026-08-31 to 2026-09-13 · 379 MB compressed in total · typically 39 files per day (up to 108)

## How to buy

- Web: https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpsspread — pre-filled days: `https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpsspread&d=<from>..2026-09-13`
- MCP (https://cryptostruct.com/mcp): `get_bundle_coverage {series_key: "kalshi-kxatpsspread"}` → `create_checkout` with `{instrument_id: 9000001852, date: "<YYYY-MM-DD>", 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 14 recorded days

| UTC day | Files | Size (zstd) | Trades | Turnover (USD) | Buy |
| --- | --- | --- | --- | --- | --- |
| 2026-09-13 | 2 | 7 MB | 1,202 | $50,302 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpsspread&d=2026-09-13 |
| 2026-09-12 | 4 | 14 MB | 2,046 | $35,013 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpsspread&d=2026-09-12 |
| 2026-09-11 | 4 | 16 MB | 1,505 | $152,055 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpsspread&d=2026-09-11 |
| 2026-09-10 | 6 | 15 MB | 211 | $4,371 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpsspread&d=2026-09-10 |
| 2026-09-09 | 8 | 39 MB | 5,367 | $169,298 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpsspread&d=2026-09-09 |
| 2026-09-08 | 14 | 28 MB | 1,983 | $113,089 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpsspread&d=2026-09-08 |
| 2026-09-07 | 14 | 34 MB | 1,271 | $47,381 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpsspread&d=2026-09-07 |
| 2026-09-06 | 26 | 44 MB | 1,520 | $68,105 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpsspread&d=2026-09-06 |
| 2026-09-05 | 36 | 43 MB | 1,705 | $44,434 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpsspread&d=2026-09-05 |
| 2026-09-04 | 46 | 34 MB | 2,262 | $62,074 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpsspread&d=2026-09-04 |
| 2026-09-03 | 74 | 33 MB | 2,168 | $51,185 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpsspread&d=2026-09-03 |
| 2026-09-02 | 94 | 53 MB | 2,436 | $80,295 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpsspread&d=2026-09-02 |
| 2026-09-01 | 108 | 19 MB | 1,616 | $40,762 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpsspread&d=2026-09-01 |
| 2026-08-31 | 108 | 2 MB | 93 | $5,174 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxatpsspread&d=2026-08-31 |

Trades and turnover are our own counts from the recorded feed; "—" = not yet computed. ⚠ marks a day with fewer files than the series typically has.

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