LOL First Baron is a sports series on Kalshi, with markets like “Hanwha Life Esports records the first baron in Game 1”. The Kalshi Eye archive lists 153 of its markets and has 7 days of daily Parquet files from October 15, 2026 to October 24, 2026 (696 KB), with every order book change and trade.

Venue: Kalshi, series KXLOLFBARON
Category: Sports
Markets: 153 (132 settled, 21 open)
Files: 7 days, October 15, 2026 to October 24, 2026, 696 KB, 104,437 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 LOL First Baron 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 KXLOLFBARON 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=KXLOLFBARON/trades-KXLOLFBARON-2026-10-24.parquet'
ORDER BY ts_recv;

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

Related Kalshi series

LOL First Blood (KXLOLFBLOOD): 153 markets, 7 days of files
LOL First Dragon (KXLOLFDRAGON): 153 markets, 7 days of files
NHL First Goal (KXNHLFIRSTGOAL): 3,792 markets, 13 days of files
Pro Football First Touchdown (KXNFLFIRSTTD): 1,142 markets, 13 days of files
First Goal (KXLALIGAFIRSTGOAL): 579 markets, 3 days of files
LOL Dragon Kills (KXLOLDRAGONKILLS): 408 markets, 7 days of files

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