MLS Spread is a sports series on Kalshi, with markets like “Los Angeles G wins by more than 2.5 goals?”. The Kalshi Eye archive lists 406 of its markets and has 13 days of daily Parquet files from October 12, 2026 to October 24, 2026 (222 MB), with every order book change and trade.

Venue: Kalshi, series KXMLSSPREAD
Category: Sports
Markets: 406 (298 settled, 108 open)
Files: 13 days, October 12, 2026 to October 24, 2026, 222 MB, 15,696,309 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 Spread 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 KXMLSSPREAD 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=KXMLSSPREAD/trades-KXMLSSPREAD-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 Spread (KXNCAAFSPREAD): 6,787 markets, 13 days of files
College Football 1st Half Spread (KXNCAAF1HSPREAD): 2,620 markets, 13 days of files
NBA Spread (KXNBASPREAD): 2,497 markets, 13 days of files
College Football 2nd Half Spread (KXNCAAF2HSPREAD): 1,377 markets, 10 days of files
NBA 1st Half Spread (KXNBA1HSPREAD): 1,080 markets, 11 days of files
College Football 4th Quarter Spread (KXNCAAF4QSPREAD): 734 markets, 10 days of files

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