BTTS is a one-time sports series on Kalshi, with markets like “Will both teams score?”. The Kalshi Eye archive lists 110 of its markets and has 13 days of daily Parquet files from October 12, 2026 to October 24, 2026 (25 MB), with every order book change and trade.

Venue: Kalshi, series KXTFF1LIGBTTS
Category: Sports, one-time
Markets: 110 (109 settled, 1 open)
Files: 13 days, October 12, 2026 to October 24, 2026, 25 MB, 2,777,729 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 BTTS 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 KXTFF1LIGBTTS 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=KXTFF1LIGBTTS/trades-KXTFF1LIGBTTS-2026-10-24.parquet'
ORDER BY ts_recv;

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

Related Kalshi series

BTTS (KXSERIECBTTS): 147 markets, 13 days of files
1st Half BTTS (KXMLS1HBTTS): 126 markets, 11 days of files
Argentina Premier Division BTTS (KXARGPREMDIVBTTS): 116 markets, 13 days of files
Conference League BTTS (KXUECLBTTS): 116 markets, 11 days of files
La Liga BTTS (KXLALIGABTTS): 111 markets, 13 days of files
Liga MX BTTS (KXLIGAMXBTTS): 110 markets, 13 days of files

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