Japan NPB Game (KXNPBGAME) historical data

Japan NPB Game is a sports series on Kalshi, with markets like “Hokkaido Nippon-Ham Fighters wins”. The Kalshi Eye archive lists 104 of its markets and has 9 days of daily Parquet files from October 12, 2026 to October 24, 2026 (102 MB), with every order book change and trade.

• Venue: Kalshi, series KXNPBGAME
• Category: Sports
• Markets: 104 (100 settled, 4 open)
• Files: 9 days, October 12, 2026 to October 24, 2026, 102 MB, 11,378,617 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 Japan NPB Game 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 KXNPBGAME 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=KXNPBGAME/trades-KXNPBGAME-2026-10-24.parquet'
ORDER BY ts_recv;

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

Related Kalshi series

• Japan J League Game (KXJLEAGUEGAME): 200 markets, 13 days of files
• Japan J2 League Game (KXJ2LEAGUEGAME): 170 markets, 12 days of files
• Japan B League Game (KXJBLEAGUEGAME): 104 markets, 12 days of files
• ESoccer Game (KXESOCCERGAME): 19,773 markets, 13 days of files
• Counter-Strike 2 Game (KXCS2GAME): 1,640 markets, 13 days of files
• College Football Game (KXNCAAFGAME): 996 markets, 13 days of files

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