Congress trades (KXCONGRESSTRADES) historical data

Congress trades is an annual politics series on Kalshi, with markets like “Which member of Congress will have the biggest returns this year?”. The Kalshi Eye archive lists 10 of its markets and has 12 days of daily Parquet files from October 12, 2026 to October 23, 2026 (3 MB), with every order book change and trade.

• Venue: Kalshi, series KXCONGRESSTRADES
• Category: Politics, annual
• Markets: 10 (0 settled, 10 open)
• Files: 12 days, October 12, 2026 to October 23, 2026, 3 MB, 313,880 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 Congress trades 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 KXCONGRESSTRADES trade on October 23, 2026, in DuckDB:

SELECT ts_recv, ticker, yes_price, size, taker_side
FROM 'kalshieye-data/trades/date=2026-10-23/series=KXCONGRESSTRADES/trades-KXCONGRESSTRADES-2026-10-23.parquet'
ORDER BY ts_recv;

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

Related Kalshi series

• Trump approval rating (KXTRUMPAPPROVE): 206 markets, 12 days of files
• VoteHub GCB (KXVHGCB): 206 markets, 12 days of files
• Number of Trump Truth Social posts today? (KXTRUTHSOCIALD): 192 markets, 12 days of files
• Traffic through the Strait of Hormuz (KXHORMUZWEEKLY): 122 markets, 12 days of files
• Political fundraising (KXFUNDRAISING): 119 markets, 11 days of files
• Maximum traffic through the Strait of Hormuz? (KXHORMUZMAX): 105 markets, 12 days of files

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