# Kalshi KXMLBSPREAD — Pro Baseball Spread Data

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

Every Kalshi “Pro Baseball Spread” contract of the day — every trade print and the complete Level-2 book, captured co-located with nanosecond venue and receive timestamps. 207 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: `KXMLBSPREAD`
- Bundle id (MCP/HTTP `instrument_id` with `kind: "series_day"`): `9000000123` · Series key: `kalshi-kxmlbspread`
- Price: **€1.00 per bundle day** (every contract file of the series on that UTC day; tax-inclusive)
- Coverage: 207 days from 2026-03-24 to 2026-10-16 · 53.4 GB compressed in total · typically 208 files per day (up to 334)

## How to buy

- Web: https://cryptostruct.com/shop/bundles?bundle=kalshi-kxmlbspread — pre-filled days: `https://cryptostruct.com/shop/bundles?bundle=kalshi-kxmlbspread&d=<from>..2026-10-16`
- MCP (https://cryptostruct.com/mcp): `get_bundle_coverage {series_key: "kalshi-kxmlbspread"}` → `create_checkout` with `{instrument_id: 9000000123, 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 30 recorded days

| UTC day | Files | Size (zstd) | Trades | Turnover (USD) | Buy |
| --- | --- | --- | --- | --- | --- |
| 2026-10-16 | 15 | 44 MB | 14,731 | $584,528 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxmlbspread&d=2026-10-16 |
| 2026-10-15 | 24 | 63 MB | 29,167 | $1,686,040 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxmlbspread&d=2026-10-15 |
| 2026-10-14 | 20 | 36 MB | 17,552 | $1,040,892 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxmlbspread&d=2026-10-14 |
| 2026-10-13 | 25 | 47 MB | 16,034 | $821,385 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxmlbspread&d=2026-10-13 |
| 2026-10-12 | 18 | 75 MB | 20,548 | $830,339 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxmlbspread&d=2026-10-12 |
| 2026-10-11 | 19 | 31 MB | 7,572 | $369,572 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxmlbspread&d=2026-10-11 |
| 2026-10-10 | 12 | 3 MB | 1,412 | $65,840 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxmlbspread&d=2026-10-10 |
| 2026-10-09 | 22 | 50 MB | 12,539 | $788,102 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxmlbspread&d=2026-10-09 |
| 2026-10-08 | 24 | 82 MB | 29,203 | $1,395,781 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxmlbspread&d=2026-10-08 |
| 2026-10-07 | 40 | 161 MB | 45,248 | $2,549,275 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxmlbspread&d=2026-10-07 |
| 2026-10-06 | 42 | 74 MB | 21,434 | $1,187,553 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxmlbspread&d=2026-10-06 |
| 2026-10-05 | 31 | 95 MB | 22,228 | $1,114,669 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxmlbspread&d=2026-10-05 |
| 2026-10-04 | 44 | 93 MB | 20,835 | $1,066,608 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxmlbspread&d=2026-10-04 |
| 2026-10-03 | 39 | 95 MB | 23,179 | $1,369,932 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxmlbspread&d=2026-10-03 |
| 2026-10-02 | 34 | 51 MB | 10,183 | $637,051 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxmlbspread&d=2026-10-02 |
| 2026-10-01 | 52 | 94 MB | 40,899 | $2,859,085 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxmlbspread&d=2026-10-01 |
| 2026-09-30 | 62 | 223 MB | 71,107 | $4,356,560 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxmlbspread&d=2026-09-30 |
| 2026-09-29 | 34 | 102 MB | 28,021 | $1,696,317 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxmlbspread&d=2026-09-29 |
| 2026-09-28 | 24 | 5 MB | 520 | $15,098 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxmlbspread&d=2026-09-28 |
| 2026-09-27 | 206 | 636 MB | 58,238 | $2,745,060 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxmlbspread&d=2026-09-27 |
| 2026-09-26 | 278 | 657 MB | 55,024 | $3,356,390 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxmlbspread&d=2026-09-26 |
| 2026-09-25 | 207 | 435 MB | 56,135 | $3,618,856 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxmlbspread&d=2026-09-25 |
| 2026-09-24 | 271 | 752 MB | 80,108 | $4,457,066 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxmlbspread&d=2026-09-24 |
| 2026-09-23 | 264 | 653 MB | 80,641 | $4,787,642 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxmlbspread&d=2026-09-23 |
| 2026-09-22 | 174 | 256 MB | 28,160 | $2,187,081 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxmlbspread&d=2026-09-22 |
| 2026-09-21 | 131 | 98 MB | 8,461 | $541,096 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxmlbspread&d=2026-09-21 |
| 2026-09-20 | 237 | 677 MB | 44,044 | $2,543,006 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxmlbspread&d=2026-09-20 |
| 2026-09-19 | 290 | 604 MB | 59,003 | $3,235,579 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxmlbspread&d=2026-09-19 |
| 2026-09-18 | 206 | 251 MB | 25,679 | $1,214,524 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxmlbspread&d=2026-09-18 |
| 2026-09-17 | 234 | 506 MB | 60,209 | $3,948,834 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxmlbspread&d=2026-09-17 |

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.

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