National League Champion is a one-time sports series on Kalshi, with markets like “Switzerland National League Champion: SC Rapperswil-Jona Lakers”. The Kalshi Eye archive lists 14 of its markets and has 10 days of daily Parquet files from October 15, 2026 to October 24, 2026 (508 KB), with every order book change and trade.

Venue: Kalshi, series KXNL
Category: Sports, one-time
Markets: 14 (0 settled, 14 open)
Files: 10 days, October 15, 2026 to October 24, 2026, 508 KB, 121,578 rows
Datasets: Order book (L2, incremental), Order book snapshots (top 10, 1 second), Top of book (every change), Top of book (1-minute bars)

Open National League 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

KXNL minute bars on October 24, 2026, in DuckDB:

SELECT minute, ticker, mid_close, yes_bid_close, yes_ask_close, trade_count
FROM 'kalshieye-data/bbo_1m/date=2026-10-24/series=KXNL/bbo_1m-KXNL-2026-10-24.parquet'
ORDER BY minute;

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

Related Kalshi series

English National League Game (KXENGNLGAME): 152 markets, 6 days of files
Czech National Football League Game (KXCZEFNLGAME): 131 markets, 13 days of files
National League Game (KXNLGAME): 162 markets, 13 days of files
College Hockey National Champion (KXNCAAH): 58 markets, 13 days of files
Pro Baseball National League MVP (KXMLBNLMVP): 53 markets, 13 days of files
Pro Baseball National League Championship Series MVP (KXMLBNLCSMVP): 49 markets, 5 days of files

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