Pro Baseball Season Stat is a sports series on Kalshi, with markets like “Will all hitters combined record 20+ instances of a player hitting 3+ home runs in a game?”. The Kalshi Eye archive lists 45 of its markets and has 13 days of daily Parquet files from October 12, 2026 to October 24, 2026 (1 MB), with every order book change and trade.

Venue: Kalshi, series KXMLBSTATCOUNT
Category: Sports
Markets: 45 (24 settled, 21 open)
Files: 13 days, October 12, 2026 to October 24, 2026, 1 MB, 163,360 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 Baseball Season Stat 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 KXMLBSTATCOUNT 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=KXMLBSTATCOUNT/trades-KXMLBSTATCOUNT-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 Baseball Season Stat (KXMLBSTAT): 10 markets, 13 days of files
Pro Baseball Hits Runs RBIs (KXMLBHRR): 1,113 markets, 13 days of files
Pro Baseball Total Bases (KXMLBTB): 853 markets, 13 days of files
Pro Baseball Hits (KXMLBHIT): 766 markets, 13 days of files
Pro Baseball RBIs (KXMLBRBI): 511 markets, 13 days of files
Pro Baseball Home Runs (KXMLBHR): 451 markets, 13 days of files

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