US airline fares CPI in [month] is a monthly economics series on Kalshi, with markets like “Will Consumer Price Index for All Urban Consumers: Airline Fares in U.S. City Average for September 2026 be above 344?”. The Kalshi Eye archive lists 61 of its markets and has 7 days of daily Parquet files from October 12, 2026 to October 24, 2026 (821 KB), with every order book change and trade.

Venue: Kalshi, series KXAIRFARECPI
Category: Economics, monthly
Markets: 61 (47 settled, 14 open)
Files: 7 days, October 12, 2026 to October 24, 2026, 821 KB, 111,921 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 US airline fares CPI in [month] 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 KXAIRFARECPI 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=KXAIRFARECPI/trades-KXAIRFARECPI-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
US gasoline CPI in [month] (KXUSGASCPI): 92 markets, 13 days of files
US shelter CPI in [month] (KXSHELTERCPI): 52 markets, 13 days of files
US used cars and trucks CPI in [month] (KXUSEDCARCPI): 44 markets, 7 days of files
Diesel Prices month (KXDIESELMON): 77 markets, 13 days of files
US PPI YoY in [month] (KXUSPPIYOY): 70 markets, 13 days of files

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