Pro Football 1st Half Winner is a one-time sports series on Kalshi, with markets like “Will Los Angeles R win the 1st Half?”. The Kalshi Eye archive lists 170 of its markets and has 13 days of daily Parquet files from October 12, 2026 to October 24, 2026 (56 MB), with every order book change and trade.

Venue: Kalshi, series KXNFL1H
Category: Sports, one-time
Markets: 170 (164 settled, 6 open)
Files: 13 days, October 12, 2026 to October 24, 2026, 56 MB, 5,391,413 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 Football 1st Half 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 KXNFL1H 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=KXNFL1H/trades-KXNFL1H-2026-10-24.parquet'
ORDER BY ts_recv;

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

Related Kalshi series

College Football 1st Half Winner (KXNCAAF1H): 1,451 markets, 13 days of files
Pro Football 1st Half Team Total (KXNFL1HTEAMTOTAL): 1,153 markets, 13 days of files
Pro Football 1st Half Spread (KXNFL1HSPREAD): 712 markets, 13 days of files
Pro Football 1st Half Total Points (KXNFL1HTOTAL): 554 markets, 13 days of files
Pro Football 1st Quarter Winner (KXNFL1Q): 170 markets, 13 days of files
Women's Pro Basketball 1st Half Winner (KXWNBA1HWINNER): 101 markets, 13 days of files

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