# Polymarket KBO Baseball (games & props) Data > Canonical HTML (full statistics, contract grids, FAQ): https://cryptostruct.com/prediction-markets/polymarket-kbo · This document: https://cryptostruct.com/prediction-markets/polymarket-kbo.md · Buy: https://cryptostruct.com/shop/bundles?bundle=polymarket-kbo Every Polymarket “KBO Baseball (games & props)” contract of the day — every trade print and the complete Level-2 book, captured co-located with nanosecond venue and receive timestamps. 229 trading days as day bundles, €1 per day, bought as a guest with instant download. ## Facts - Venue: Polymarket (`polymarket`) · Category: Sports · Interval: event · Venue slug: `kbo-` - Bundle id (MCP/HTTP `instrument_id` with `kind: "series_day"`): `9000000729` · Series key: `polymarket-kbo` - Price: **€1.00 per bundle day** (every contract file of the series on that UTC day; tax-inclusive) - Coverage: 229 days from 2025-10-09 to 2026-10-12 · 7.9 GB compressed in total · typically 48 files per day (up to 154) ## How to buy - Web: https://cryptostruct.com/shop/bundles?bundle=polymarket-kbo — pre-filled days: `https://cryptostruct.com/shop/bundles?bundle=polymarket-kbo&d=..2026-10-12` - MCP (https://cryptostruct.com/mcp): `get_bundle_coverage {series_key: "polymarket-kbo"}` → `create_checkout` with `{instrument_id: 9000000729, 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 | | --- | --- | --- | --- | --- | --- | | 2026-10-12 | 5 | 17 MB | 352 | $21,184 | https://cryptostruct.com/shop/bundles?bundle=polymarket-kbo&d=2026-10-12 | | 2026-10-11 | 23 | 6 MB | 245 | $23,664 | https://cryptostruct.com/shop/bundles?bundle=polymarket-kbo&d=2026-10-11 | | 2026-10-10 | 30 | 34 MB | 423 | $50,434 | https://cryptostruct.com/shop/bundles?bundle=polymarket-kbo&d=2026-10-10 | | 2026-10-09 | 33 | 14 MB | 795 | $55,423 | https://cryptostruct.com/shop/bundles?bundle=polymarket-kbo&d=2026-10-09 | | 2026-10-08 | 34 | 11 MB | 45 | $768 | https://cryptostruct.com/shop/bundles?bundle=polymarket-kbo&d=2026-10-08 | | 2026-10-07 | 47 | 53 MB | 727 | $61,713 | https://cryptostruct.com/shop/bundles?bundle=polymarket-kbo&d=2026-10-07 | | 2026-10-06 | 64 | 67 MB | 810 | $62,236 | https://cryptostruct.com/shop/bundles?bundle=polymarket-kbo&d=2026-10-06 | | 2026-10-05 | 63 | 21 MB | 268 | $8,989 | https://cryptostruct.com/shop/bundles?bundle=polymarket-kbo&d=2026-10-05 | | 2026-10-04 | 63 | 43 MB | 282 | $13,002 | https://cryptostruct.com/shop/bundles?bundle=polymarket-kbo&d=2026-10-04 | | 2026-10-03 | 63 | 15 MB | 451 | $16,324 | https://cryptostruct.com/shop/bundles?bundle=polymarket-kbo&d=2026-10-03 | | 2026-10-02 | 67 | 14 MB | 36 | $415 | https://cryptostruct.com/shop/bundles?bundle=polymarket-kbo&d=2026-10-02 | | 2026-10-01 | 69 | 43 MB | 492 | $13,290 | https://cryptostruct.com/shop/bundles?bundle=polymarket-kbo&d=2026-10-01 | | 2026-09-30 | 66 | 20 MB | 316 | $7,412 | https://cryptostruct.com/shop/bundles?bundle=polymarket-kbo&d=2026-09-30 | | 2026-09-29 | 63 | 33 MB | 481 | $19,992 | https://cryptostruct.com/shop/bundles?bundle=polymarket-kbo&d=2026-09-29 | | 2026-09-28 | 64 | 12 MB | 39 | $2,859 | https://cryptostruct.com/shop/bundles?bundle=polymarket-kbo&d=2026-09-28 | | 2026-09-27 | 66 | 35 MB | 374 | $30,951 | https://cryptostruct.com/shop/bundles?bundle=polymarket-kbo&d=2026-09-27 | | 2026-09-26 | 67 | 11 MB | 50 | $1,081 | https://cryptostruct.com/shop/bundles?bundle=polymarket-kbo&d=2026-09-26 | | 2026-09-25 | 68 | 16 MB | 395 | $39,004 | https://cryptostruct.com/shop/bundles?bundle=polymarket-kbo&d=2026-09-25 | | 2026-09-24 | 69 | 19 MB | 228 | $19,848 | https://cryptostruct.com/shop/bundles?bundle=polymarket-kbo&d=2026-09-24 | | 2026-09-23 | 71 | 29 MB | 330 | $23,785 | https://cryptostruct.com/shop/bundles?bundle=polymarket-kbo&d=2026-09-23 | | 2026-09-22 | 72 | 27 MB | 358 | $13,504 | https://cryptostruct.com/shop/bundles?bundle=polymarket-kbo&d=2026-09-22 | | 2026-09-21 | 72 | 17 MB | 19 | $110 | https://cryptostruct.com/shop/bundles?bundle=polymarket-kbo&d=2026-09-21 | | 2026-09-20 | 71 | 26 MB | 252 | $11,034 | https://cryptostruct.com/shop/bundles?bundle=polymarket-kbo&d=2026-09-20 | | 2026-09-19 | 73 | 20 MB | 495 | $21,115 | https://cryptostruct.com/shop/bundles?bundle=polymarket-kbo&d=2026-09-19 | | 2026-09-18 | 74 | 19 MB | 359 | $35,025 | https://cryptostruct.com/shop/bundles?bundle=polymarket-kbo&d=2026-09-18 | | 2026-09-17 | 73 | 15 MB | 147 | $6,959 | https://cryptostruct.com/shop/bundles?bundle=polymarket-kbo&d=2026-09-17 | | 2026-09-16 | 73 | 56 MB | 699 | $47,434 | https://cryptostruct.com/shop/bundles?bundle=polymarket-kbo&d=2026-09-16 | | 2026-09-15 | 75 | 25 MB | 388 | $30,300 | https://cryptostruct.com/shop/bundles?bundle=polymarket-kbo&d=2026-09-15 | | 2026-09-14 | 76 | 3 MB | 24 | $1,845 | https://cryptostruct.com/shop/bundles?bundle=polymarket-kbo&d=2026-09-14 | | 2026-09-13 | 76 | 11 MB | 136 | $9,305 | https://cryptostruct.com/shop/bundles?bundle=polymarket-kbo&d=2026-09-13 | 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. Terms: https://cryptostruct.com/terms.md · Data license: https://cryptostruct.com/license · Prediction-market hub: https://cryptostruct.com/prediction-markets