U.S. Leading Economic Index change is a monthly economics series on Kalshi, with markets like “Will the MoM percent change in The Conference Board Leading Economic Index for the U.S. for September 2026 be above -0.5%?”. The Kalshi Eye archive lists 24 of its markets and has 13 days of daily Parquet files from October 12, 2026 to October 24, 2026 (900 KB), with every order book change and trade.

Venue: Kalshi, series KXUSLEI
Category: Economics, monthly
Markets: 24 (16 settled, 8 open)
Files: 13 days, October 12, 2026 to October 24, 2026, 900 KB, 108,362 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. Leading Economic Index change 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 KXUSLEI 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=KXUSLEI/trades-KXUSLEI-2026-10-24.parquet'
ORDER BY ts_recv;

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

Related Kalshi series

CPI-U index in [month] (KXCPINDEX): 111 markets, 13 days of files
FAO Food Price Index in [month]? (KXFAOFPI): 40 markets, 13 days of files
ADP employment change (KXADP): 35 markets, 13 days of files
Chicago Fed National Financial Conditions Index (KXNFCI): 17 markets, 13 days of files
Chicago Fed National Activity Index (KXCFNAI): 14 markets, 13 days of files
Shanghai Containerized Freight Index (KXSCFI): 17 markets, 13 days of files

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