Bluest state to elect a Republican senator is a one-time elections series on Kalshi, with markets like “Will North Carolina be the state with the highest 2024 Harris-minus-Trump presidential margin among states where a Republican candidate wins a 2026 U.S. Senate election?”. The Kalshi Eye archive lists 20 of its markets and has 13 days of daily Parquet files from October 12, 2026 to October 24, 2026 (3 MB), with every order book change and trade.

Venue: Kalshi, series KXBLUESTRSEN
Category: Elections, one-time
Markets: 20 (0 settled, 20 open)
Files: 13 days, October 12, 2026 to October 24, 2026, 3 MB, 301,248 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 Bluest state to elect a Republican senator 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 KXBLUESTRSEN 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=KXBLUESTRSEN/trades-KXBLUESTRSEN-2026-10-24.parquet'
ORDER BY ts_recv;

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

Related Kalshi series

Reddest state to elect a Democratic senator (KXREDDESTDSEN): 16 markets, 13 days of files
Republican state legislative supermajorities (KXGOPSTATESUPERMAJ): 21 markets, 13 days of files
Republican state trifectas (KXGOPTRIFECTA): 15 markets, 13 days of files
Which state ballot measures will pass? (KXSTATEBALLOTMEASURE): 125 markets, 13 days of files
How many seats will party win in state? (KXHOUSEWINSTATE): 102 markets, 13 days of files
State legislature winners (KXSTATELEG): 78 markets, 13 days of files

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