UFC Welterweight Title is a sports series on Kalshi, with markets like “Who will be the Welterweight Title Holder on Dec 31, 2026?”. The Kalshi Eye archive lists 11 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 KXUFCWELTERWEIGHTTITLE
Category: Sports
Markets: 11 (0 settled, 11 open)
Files: 13 days, October 12, 2026 to October 24, 2026, 5 MB, 527,994 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 UFC Welterweight Title 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 KXUFCWELTERWEIGHTTITLE 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=KXUFCWELTERWEIGHTTITLE/trades-KXUFCWELTERWEIGHTTITLE-2026-10-24.parquet'
ORDER BY ts_recv;

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

Related Kalshi series

UFC Title Holder (KXUFCTITLE): 120 markets, 13 days of files
Boxing Welterweight Title (KXWBCWELTERWEIGHTTITLE): 18 markets, 13 days of files
UFC Heavyweight Title (KXUFCHEAVYWEIGHTTITLE): 12 markets, 13 days of files
UFC Lightweight Title (KXUFCLIGHTWEIGHTTITLE): 12 markets, 13 days of files
UFC Featherweight Title (KXUFCFEATHERWEIGHTTITLE): 11 markets, 13 days of files
UFC Light Heavyweight Title (KXUFCLHEAVYWEIGHTTITLE): 10 markets, 13 days of files

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