Pro Basketball Champion is an annual sports series on Kalshi, with markets like “Will Oklahoma City win the 2027 Pro Basketball Finals?”. The Kalshi Eye archive lists 30 of its markets and has 13 days of daily Parquet files from October 12, 2026 to October 24, 2026 (17 MB), with every order book change and trade.

Venue: Kalshi, series KXNBA
Category: Sports, annual
Markets: 30 (0 settled, 30 open)
Files: 13 days, October 12, 2026 to October 24, 2026, 17 MB, 1,588,386 rows
Datasets: Order book (L2, incremental), Order book snapshots (top 10, 1 second), Top of book (every change), Top of book (1-minute bars), Trades

Open Pro Basketball Champion in Markets to see every day and market, then export the days you need. Free sample files of each dataset are on the Kalshi data page.

Reading the files

Every KXNBA trade on October 24, 2026, in DuckDB:

SELECT ts_recv, ticker, yes_price, size, taker_side
FROM 'kalshieye-data/trades/date=2026-10-24/series=KXNBA/trades-KXNBA-2026-10-24.parquet'
ORDER BY ts_recv;

To test a strategy on this series, see How to backtest Kalshi markets.

Related Kalshi series

Pro Basketball Cup Champion (KXNBACUP): 30 markets, 13 days of files
Pro Basketball Eastern Conference Champion (KXNBAEAST): 15 markets, 13 days of files
Pro Basketball Western Conference Champion (KXNBAWEST): 15 markets, 13 days of files
Pro Basketball Playoff Qualifier (KXNBAPLAYOFF): 30 markets, 13 days of files
Belgian Pro League Champion (KXBELGIANPL): 18 markets, 13 days of files
Pro Basketball Draft Pick (KXNBADRAFTPICK): 15 markets, 13 days of files

Figures through October 24, 2026. All Kalshi series with pages are listed on Kalshi series.