Pro Baseball Playoff Leader is a sports series on Kalshi, with markets like “Will Yoshinobu Yamamoto lead Pro Baseball in pitching strikeouts for the 2026 postseason?”. The Kalshi Eye archive lists 194 of its markets and has 13 days of daily Parquet files from October 12, 2026 to October 24, 2026 (45 MB), with every order book change and trade.

Venue: Kalshi, series KXMLBLEADERPLAYOFF
Category: Sports
Markets: 194 (123 settled, 69 open)
Files: 13 days, October 12, 2026 to October 24, 2026, 45 MB, 5,705,864 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 Playoff Leader 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 KXMLBLEADERPLAYOFF 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=KXMLBLEADERPLAYOFF/trades-KXMLBLEADERPLAYOFF-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 Playoff Home Runs (KXMLBPLAYOFFHRS): 20 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.