Who will headline event is a one-time entertainment series on Kalshi, with markets like “Will Trombone Shorty & Orleans Avenue be a headliner at New Orleans Jazz & Heritage Festival 2027?”. The Kalshi Eye archive lists 114 of its markets and has 13 days of daily Parquet files from October 12, 2026 to October 24, 2026 (83 MB), with every order book change and trade.

Venue: Kalshi, series KXHEADLINE
Category: Entertainment, one-time
Markets: 114 (20 settled, 94 open)
Files: 13 days, October 12, 2026 to October 24, 2026, 83 MB, 6,651,399 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 Who will headline event 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 KXHEADLINE 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=KXHEADLINE/trades-KXHEADLINE-2026-10-24.parquet'
ORDER BY ts_recv;

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

Related Kalshi series

Will person perform at event? (KXPERFORM): 148 markets, 13 days of files
WHO WILL HEADLINE COACHELLA? (KXROLEATEVENTCOACHELLA): 116 markets, 13 days of files
Who will headline super bowl (KXSUPERBOWLHEADLINE): 57 markets, 13 days of files
Who will headline Rolling Loud (KXROLEATEVENTROLLING): 15 markets, 13 days of files
Who will headline the Super Bowl halftime show? (KXPERFORMSUPERBOWL): 143 markets, 13 days of files
Critics Choice Nominees (KXCRITICSCHOICENOM): 498 markets, 13 days of files

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