WHO WILL PERFORM AS BRITNEY SPEARS IN BIO PIC is a one-time entertainment series on Kalshi, with markets like “Will Millie Bobby Brown perform as Britney Spears in Britney Spears Biopic directed by Jon M. Chu?”. The Kalshi Eye archive lists 10 of its markets and has 13 days of daily Parquet files from October 12, 2026 to October 24, 2026 (1 MB), with every order book change and trade.

Venue: Kalshi, series KXPERFORMROLEBRITNEY
Category: Entertainment, one-time
Markets: 10 (0 settled, 10 open)
Files: 13 days, October 12, 2026 to October 24, 2026, 1 MB, 172,150 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 PERFORM AS BRITNEY SPEARS IN BIO PIC 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 KXPERFORMROLEBRITNEY 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=KXPERFORMROLEBRITNEY/trades-KXPERFORMROLEBRITNEY-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 perform the victoria secret fashion show (KXPERFORMVS): 141 markets, 8 days of files
Will person perform role in production (KXROLEINPRODUCTION): 59 markets, 13 days of files
Who will perform at venue (KXVENUEPERFORM): 36 markets, 13 days of files
Who will perform the next james Bond song (KXPERFORMBONDSONG): 22 markets, 13 days of files
WHERE WILL YE PERFORM THIS YEAR (KXVENUEPERFORMANCEYE): 20 markets, 13 days of files

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