Grand Slam Wins by Year (KXGRANDSLAM) historical data

Grand Slam Wins by Year is a sports series on Kalshi, with markets like “How many Grand Slams will Carlos Alcaraz win in 2027?”. The Kalshi Eye archive lists 10 of its markets and has 3 days of daily Parquet files from October 22, 2026 to October 25, 2026 (50 KB), with every order book change and trade.

• Venue: Kalshi, series KXGRANDSLAM
• Category: Sports
• Markets: 10 (2 settled, 8 open)
• Files: 3 days, October 22, 2026 to October 25, 2026, 50 KB, 82 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 Grand Slam Wins by Year 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

KXGRANDSLAM minute bars on October 25, 2026, in DuckDB:

SELECT minute, ticker, mid_close, yes_bid_close, yes_ask_close, trade_count
FROM 'kalshieye-data/bbo_1m/date=2026-10-25/series=KXGRANDSLAM/bbo_1m-KXGRANDSLAM-2026-10-25.parquet'
ORDER BY minute;

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

Related Kalshi series

• WTA Grand Slam (KXWTAGRANDSLAM): 39 markets, 14 days of files
• Pro Football Wins (KXNFLWINS): 484 markets, 14 days of files
• NFL wins by week (KXNFLWINSWEEK): 406 markets, 14 days of files
• Pro Football Division Total Wins (KXNFLDIVISIONWINS): 64 markets, 14 days of files
• College Football Head-to-Head Regular Season Wins (KXNCAAFH2HWINS): 21 markets, 14 days of files
• PGA Major Wins (KXPGAMAJOR): 21 markets, 3 days of files

Figures through October 25, 2026. All Kalshi series with pages are listed on Kalshi series.