MLS BTTS (KXMLSBTTS) historical data

MLS BTTS is a sports series on Kalshi, with markets like “Both Teams To Score”. The Kalshi Eye archive lists 152 of its markets and has 13 days of daily Parquet files from October 12, 2026 to October 24, 2026 (50 MB), with every order book change and trade.

• Venue: Kalshi, series KXMLSBTTS
• Category: Sports
• Markets: 152 (125 settled, 27 open)
• Files: 13 days, October 12, 2026 to October 24, 2026, 50 MB, 3,993,349 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 MLS 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 KXMLSBTTS 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=KXMLSBTTS/trades-KXMLSBTTS-2026-10-24.parquet'
ORDER BY ts_recv;

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

Related Kalshi series

• MLS Total (KXMLSTOTAL): 588 markets, 13 days of files
• MLS Spread (KXMLSSPREAD): 406 markets, 13 days of files
• BTTS (KXARGNACBBTTS): 130 markets, 10 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

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