Who will hold Marsha Blackburn's Senate seat on February 1, 2027? (KXBLACKBURNSEAT) historical data

Who will hold Marsha Blackburn's Senate seat on February 1, 2027? is a one-time politics series on Kalshi, with markets like “Will Diana Harshbarger be United States Senator from Tennessee, Class I on Feb 1, 2027?”. The Kalshi Eye archive lists 11 of its markets and has 3 days of daily Parquet files from October 22, 2026 to October 24, 2026 (482 KB), with every order book change and trade.

• Venue: Kalshi, series KXBLACKBURNSEAT
• Category: Politics, one-time
• Markets: 11 (0 settled, 11 open)
• Files: 3 days, October 22, 2026 to October 24, 2026, 482 KB, 69,432 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 Who will hold Marsha Blackburn's Senate seat on February 1, 2027? 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 KXBLACKBURNSEAT 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=KXBLACKBURNSEAT/trades-KXBLACKBURNSEAT-2026-10-24.parquet'
ORDER BY ts_recv;

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

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Figures as of October 25, 2026. All Kalshi series with pages are listed on Kalshi series.