MLS Western Conference winner? is an annual sports series on Kalshi, with markets like “Will New York City win the MLS Eastern Conference?”. The Kalshi Eye archive lists 15 of its markets and has 13 days of daily Parquet files from October 12, 2026 to October 24, 2026 (30 MB), with every order book change and trade.

Venue: Kalshi, series KXMLSEAST
Category: Sports, annual
Markets: 15 (0 settled, 15 open)
Files: 13 days, October 12, 2026 to October 24, 2026, 30 MB, 2,537,464 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 Western Conference winner? 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 KXMLSEAST 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=KXMLSEAST/trades-KXMLSEAST-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 Western Conference winner? (KXMLSWEST): 15 markets, 13 days of files
NBA Western Conference Finals MVP (KXNBAWFINMVP): 50 markets, 13 days of files
UEFA Conference League Winner (KXUECL): 36 markets, 13 days of files
Western Conference Champion (KXNHLWEST): 16 markets, 13 days of files
NBA Western Conference Finals Qualifiers (KXNBAWCFQUAL): 15 markets, 13 days of files
Pro Basketball Western Conference Champion (KXNBAWEST): 15 markets, 13 days of files

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