# Kalshi Pro Basketball First Opponent of the S

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

Every Kalshi “Pro Basketball First Opponent of the Season” contract of the day — every trade print and the complete Level-2 book, captured co-located with nanosecond venue and receive timestamps. 19 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: `KXNBAFIRSTOPPONENT`
- Bundle id (MCP/HTTP `instrument_id` with `kind: "series_day"`): `9000000529` · Series key: `kalshi-kxnbafirstopponent`
- Price: **€1.00 per bundle day** (every contract file of the series on that UTC day; tax-inclusive)
- Coverage: 19 days from 2026-07-24 to 2026-08-11 · 28 MB compressed in total · typically 145 files per day (up to 145)

## How to buy

- Web: https://cryptostruct.com/shop/bundles?bundle=kalshi-kxnbafirstopponent — pre-filled days: `https://cryptostruct.com/shop/bundles?bundle=kalshi-kxnbafirstopponent&d=<from>..2026-08-11`
- MCP (https://cryptostruct.com/mcp): `get_bundle_coverage {series_key: "kalshi-kxnbafirstopponent"}` → `create_checkout` with `{instrument_id: 9000000529, 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 19 recorded days

| UTC day | Files | Size (zstd) | Trades | Turnover (USD) | Buy |
| --- | --- | --- | --- | --- | --- |
| 2026-08-11 | 145 | 5 MB | 111 | $7,985 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxnbafirstopponent&d=2026-08-11 |
| 2026-08-10 | 145 | 2 MB | 52 | $1,836 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxnbafirstopponent&d=2026-08-10 |
| 2026-08-09 | 145 | 1 MB | 17 | $401 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxnbafirstopponent&d=2026-08-09 |
| 2026-08-08 | 145 | 1 MB | 5 | $97 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxnbafirstopponent&d=2026-08-08 |
| 2026-08-07 | 145 | 1 MB | 33 | $1,068 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxnbafirstopponent&d=2026-08-07 |
| 2026-08-06 | 145 | 1 MB | 2 | $19 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxnbafirstopponent&d=2026-08-06 |
| 2026-08-05 | 145 | 1 MB | 31 | $370 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxnbafirstopponent&d=2026-08-05 |
| 2026-08-04 | 145 | 1 MB | 3 | $46 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxnbafirstopponent&d=2026-08-04 |
| 2026-08-03 | 145 | 1 MB | 16 | $472 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxnbafirstopponent&d=2026-08-03 |
| 2026-08-02 | 145 | 1 MB | 0 | $0 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxnbafirstopponent&d=2026-08-02 |
| 2026-08-01 | 145 | 1 MB | 7 | $59 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxnbafirstopponent&d=2026-08-01 |
| 2026-07-31 | 145 | 1 MB | 12 | $101 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxnbafirstopponent&d=2026-07-31 |
| 2026-07-30 | 145 | 1 MB | 6 | $77 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxnbafirstopponent&d=2026-07-30 |
| 2026-07-29 | 145 | 1 MB | 3 | $30 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxnbafirstopponent&d=2026-07-29 |
| 2026-07-28 | 145 | 1 MB | 22 | $258 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxnbafirstopponent&d=2026-07-28 |
| 2026-07-27 | 145 | 2 MB | 26 | $246 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxnbafirstopponent&d=2026-07-27 |
| 2026-07-26 | 145 | 7 MB | 9 | $55 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxnbafirstopponent&d=2026-07-26 |
| 2026-07-25 | 145 | 1 MB | 34 | $905 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxnbafirstopponent&d=2026-07-25 |
| 2026-07-24 | 145 | 1 MB | 36 | $1,324 | https://cryptostruct.com/shop/bundles?bundle=kalshi-kxnbafirstopponent&d=2026-07-24 |

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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