# Polymarket J2 League (Japan) Historical Data > Canonical HTML (full statistics, contract grids, FAQ): https://cryptostruct.com/prediction-markets/polymarket-j2-league · This document: https://cryptostruct.com/prediction-markets/polymarket-j2-league.md · Buy: https://cryptostruct.com/shop/bundles?bundle=polymarket-j2-league Every Polymarket “J2 League (Japan)” contract of the day — every trade print and the complete Level-2 book, captured co-located with nanosecond venue and receive timestamps. 133 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: `ja2-` - Bundle id (MCP/HTTP `instrument_id` with `kind: "series_day"`): `9000000273` · Series key: `polymarket-j2-league` - Price: **€1.00 per bundle day** (every contract file of the series on that UTC day; tax-inclusive) - Coverage: 133 days from 2025-10-23 to 2026-10-15 · 6.3 GB compressed in total · typically 1271 files per day (up to 3299) ## How to buy - Web: https://cryptostruct.com/shop/bundles?bundle=polymarket-j2-league — pre-filled days: `https://cryptostruct.com/shop/bundles?bundle=polymarket-j2-league&d=..2026-10-15` - MCP (https://cryptostruct.com/mcp): `get_bundle_coverage {series_key: "polymarket-j2-league"}` → `create_checkout` with `{instrument_id: 9000000273, 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 | | --- | --- | --- | --- | --- | --- | | 2026-10-15 | 2,863 | 36 MB | 40 | $314 | https://cryptostruct.com/shop/bundles?bundle=polymarket-j2-league&d=2026-10-15 | | 2026-10-14 | 2,863 | 39 MB | 19 | $514 | https://cryptostruct.com/shop/bundles?bundle=polymarket-j2-league&d=2026-10-14 | | 2026-10-13 | 2,875 | 41 MB | 18 | $283 | https://cryptostruct.com/shop/bundles?bundle=polymarket-j2-league&d=2026-10-13 | | 2026-10-12 | 2,875 | 42 MB | 10 | $237 | https://cryptostruct.com/shop/bundles?bundle=polymarket-j2-league&d=2026-10-12 | | 2026-10-11 | 3,299 | 110 MB | 2,856 | $148,035 | https://cryptostruct.com/shop/bundles?bundle=polymarket-j2-league&d=2026-10-11 | | 2026-10-10 | 3,223 | 168 MB | 3,216 | $183,144 | https://cryptostruct.com/shop/bundles?bundle=polymarket-j2-league&d=2026-10-10 | | 2026-10-09 | 3,045 | 66 MB | 243 | $4,972 | https://cryptostruct.com/shop/bundles?bundle=polymarket-j2-league&d=2026-10-09 | | 2026-10-08 | 3,045 | 47 MB | 26 | $331 | https://cryptostruct.com/shop/bundles?bundle=polymarket-j2-league&d=2026-10-08 | | 2026-10-07 | 3,045 | 53 MB | 52 | $339 | https://cryptostruct.com/shop/bundles?bundle=polymarket-j2-league&d=2026-10-07 | | 2026-10-06 | 2,159 | 47 MB | 7 | $46 | https://cryptostruct.com/shop/bundles?bundle=polymarket-j2-league&d=2026-10-06 | | 2026-10-05 | 2,159 | 38 MB | 27 | $3 | https://cryptostruct.com/shop/bundles?bundle=polymarket-j2-league&d=2026-10-05 | | 2026-10-04 | 2,715 | 146 MB | 6,529 | $326,309 | https://cryptostruct.com/shop/bundles?bundle=polymarket-j2-league&d=2026-10-04 | | 2026-10-03 | 3,168 | 183 MB | 7,048 | $403,995 | https://cryptostruct.com/shop/bundles?bundle=polymarket-j2-league&d=2026-10-03 | | 2026-10-02 | 2,214 | 58 MB | 690 | $4,181 | https://cryptostruct.com/shop/bundles?bundle=polymarket-j2-league&d=2026-10-02 | | 2026-10-01 | 2,214 | 39 MB | 66 | $276 | https://cryptostruct.com/shop/bundles?bundle=polymarket-j2-league&d=2026-10-01 | | 2026-09-30 | 2,214 | 33 MB | 53 | $880 | https://cryptostruct.com/shop/bundles?bundle=polymarket-j2-league&d=2026-09-30 | | 2026-09-29 | 2,214 | 36 MB | 5 | $2 | https://cryptostruct.com/shop/bundles?bundle=polymarket-j2-league&d=2026-09-29 | | 2026-09-28 | 2,214 | 19 MB | 10 | $28 | https://cryptostruct.com/shop/bundles?bundle=polymarket-j2-league&d=2026-09-28 | | 2026-09-27 | 2,216 | 20 MB | 3 | $162 | https://cryptostruct.com/shop/bundles?bundle=polymarket-j2-league&d=2026-09-27 | | 2026-09-26 | 2,910 | 180 MB | 5,620 | $275,149 | https://cryptostruct.com/shop/bundles?bundle=polymarket-j2-league&d=2026-09-26 | | 2026-09-25 | 2,274 | 78 MB | 605 | $7,600 | https://cryptostruct.com/shop/bundles?bundle=polymarket-j2-league&d=2026-09-25 | | 2026-09-24 | 2,274 | 79 MB | 85 | $669 | https://cryptostruct.com/shop/bundles?bundle=polymarket-j2-league&d=2026-09-24 | | 2026-09-23 | 2,274 | 138 MB | 190 | $1,468 | https://cryptostruct.com/shop/bundles?bundle=polymarket-j2-league&d=2026-09-23 | | 2026-09-22 | 2,274 | 99 MB | 38 | $139 | https://cryptostruct.com/shop/bundles?bundle=polymarket-j2-league&d=2026-09-22 | | 2026-09-21 | 2,274 | 103 MB | 62 | $272 | https://cryptostruct.com/shop/bundles?bundle=polymarket-j2-league&d=2026-09-21 | | 2026-09-20 | 2,385 | 76 MB | 135 | $6,895 | https://cryptostruct.com/shop/bundles?bundle=polymarket-j2-league&d=2026-09-20 | | 2026-09-19 | 2,721 | 119 MB | 2,215 | $85,820 | https://cryptostruct.com/shop/bundles?bundle=polymarket-j2-league&d=2026-09-19 | | 2026-09-18 | 2,273 | 86 MB | 1,892 | $45,010 | https://cryptostruct.com/shop/bundles?bundle=polymarket-j2-league&d=2026-09-18 | | 2026-09-17 | 2,273 | 61 MB | 139 | $809 | https://cryptostruct.com/shop/bundles?bundle=polymarket-j2-league&d=2026-09-17 | | 2026-09-16 | 1,733 | 46 MB | 31 | $191 | https://cryptostruct.com/shop/bundles?bundle=polymarket-j2-league&d=2026-09-16 | 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