Champions League First Hal Winner is a sports series on Kalshi, with markets like “Will Slovan Bratislava win the 1st Half?”. The Kalshi Eye archive lists 188 of its markets and has 8 days of daily Parquet files from October 12, 2026 to October 22, 2026 (67 MB), with every order book change and trade.

Venue: Kalshi, series KXUCL1H
Category: Sports
Markets: 188 (188 settled, 0 open)
Files: 8 days, October 12, 2026 to October 22, 2026, 67 MB, 5,303,621 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 Champions League First Hal Winner 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 KXUCL1H trade on October 22, 2026, in DuckDB:

SELECT ts_recv, ticker, yes_price, size, taker_side
FROM 'kalshieye-data/trades/date=2026-10-22/series=KXUCL1H/trades-KXUCL1H-2026-10-22.parquet'
ORDER BY ts_recv;

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

Related Kalshi series

Premier League First Half Winner (KXEPL1H): 143 markets, 12 days of files
Champions League Total Goals (KXUCLTOTAL): 375 markets, 11 days of files
League of Legends Game Winner (KXLOLMAP): 274 markets, 12 days of files
Champions League Spread (KXUCLSPREAD): 270 markets, 11 days of files
UEFA Champions League Game (KXUCLGAME): 242 markets, 13 days of files
Serie A First Half Winner (KXSERIEA1H): 155 markets, 12 days of files

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