Democratic Primary winner is an elections series on Kalshi, with markets like “Will Chris Van Hollen be the nominee for the Presidency for the Democratic party?”. The Kalshi Eye archive lists 52 of its markets and has 13 days of daily Parquet files from October 12, 2026 to October 24, 2026 (41 MB), with every order book change and trade.

Venue: Kalshi, series KXPRESNOMD
Category: Elections
Markets: 52 (0 settled, 52 open)
Files: 13 days, October 12, 2026 to October 24, 2026, 41 MB, 3,359,467 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 Democratic Primary 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 KXPRESNOMD 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=KXPRESNOMD/trades-KXPRESNOMD-2026-10-24.parquet'
ORDER BY ts_recv;

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

Related Kalshi series

Republican Primary winner (KXPRESNOMR): 45 markets, 13 days of files
Democratic VP nom (KXVPRESNOMD): 46 markets, 13 days of files
Winner of next Turkish presidential election (KXTURKEYPRES): 10 markets, 13 days of files
House Race Winner? (KXHOUSERACE): 708 markets, 13 days of files
Louisiana Primary Winners (KXLAPRIMARY): 30 markets, 13 days of files
2028 Vice Presidential election winner (KXVPRESPERSON): 27 markets, 13 days of files

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