U.S. headline inflation at year end is an annual economics series on Kalshi, with markets like “Will the 12-month percentage change in CPI-U in December 2036 be above 6.0%?”. The Kalshi Eye archive lists 130 of its markets and has 13 days of daily Parquet files from October 12, 2026 to October 24, 2026 (32 MB), with every order book change and trade.

Venue: Kalshi, series KXUSCPIYEAR
Category: Economics, annual
Markets: 130 (0 settled, 130 open)
Files: 13 days, October 12, 2026 to October 24, 2026, 32 MB, 3,649,566 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 U.S. headline inflation at year end 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 KXUSCPIYEAR 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=KXUSCPIYEAR/trades-KXUSCPIYEAR-2026-10-24.parquet'
ORDER BY ts_recv;

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

Related Kalshi series

U.S. headline PCE inflation (KXPCEHEAD): 16 markets, 13 days of files
How high will Brazil inflation rate get this year? (KXBRINFHIGH): 10 markets, 13 days of files
Year over year inflation (KXECONSTATCPIYOY): 119 markets, 13 days of files
Inflation (KXCPIYOY): 110 markets, 13 days of files
Year over year core inflation (KXECONSTATCORECPIYOY): 80 markets, 13 days of files
Month over month inflation (KXECONSTATCPI): 61 markets, 13 days of files

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