Company Merger is a one-time financials series on Kalshi, with markets like “Will Tesla or SpaceX announce a definitive, binding agreement for Tesla to acquire SpaceX, SpaceX to acquire Tesla, or the two entities to merge or combine in any structure that results in a transfer of controlling interest or consolidation of the two entities under common corporate ownership before Jan 1, 2028?”. The Kalshi Eye archive lists 10 of its markets and has 13 days of daily Parquet files from October 12, 2026 to October 24, 2026 (39 MB), with every order book change and trade.

Venue: Kalshi, series KXCOMPANYACTIONMERGER
Category: Financials, one-time
Markets: 10 (2 settled, 8 open)
Files: 13 days, October 12, 2026 to October 24, 2026, 39 MB, 2,584,205 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 Company Merger 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 KXCOMPANYACTIONMERGER 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=KXCOMPANYACTIONMERGER/trades-KXCOMPANYACTIONMERGER-2026-10-24.parquet'
ORDER BY ts_recv;

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

Related Kalshi series

UST 7 Year Daily (KXUST7AD): 250 markets, 12 days of files
UST 10 Year Daily (KXUST10AD): 220 markets, 12 days of files
UST 2 Year Daily (KXUST2AD): 210 markets, 12 days of files
UST 30 Year Daily (KXUST30AD): 210 markets, 12 days of files
UST 5 Year Daily (KXUST5AD): 210 markets, 12 days of files
H200 Monthly (KXH200MS): 143 markets, 13 days of files

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