Which California ballot measures will pass? is a one-time elections series on Kalshi, with markets like “Will Proposition 45 pass?”. The Kalshi Eye archive lists 13 of its markets and has 13 days of daily Parquet files from October 12, 2026 to October 24, 2026 (5 MB), with every order book change and trade.

Venue: Kalshi, series KXCABALLOTMEASURES
Category: Elections, one-time
Markets: 13 (0 settled, 13 open)
Files: 13 days, October 12, 2026 to October 24, 2026, 5 MB, 557,425 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 Which California ballot measures will pass? 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 KXCABALLOTMEASURES 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=KXCABALLOTMEASURES/trades-KXCABALLOTMEASURES-2026-10-24.parquet'
ORDER BY ts_recv;

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

Related Kalshi series

Which state ballot measures will pass? (KXSTATEBALLOTMEASURE): 125 markets, 13 days of files
Which San Francisco ballot measures will pass? (KXSFBALLOTMEASURES): 10 markets, 11 days of files
Who will appear on the French presidential ballot? (KXFRPRESBALLOT): 23 markets, 13 days of files
California general elections (KXCAELECTION): 16 markets, 13 days of files
California Proposition 40 margin of victory (KXCAWEALTHTAXMOVD): 16 markets, 13 days of files
Vote percentages in US general elections (KXVOTEGENERAL): 9,314 markets, 13 days of files

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