Brent Monthly is a monthly commodities series on Kalshi, with markets like “Will the brent crude oil close price be above 129.99 USD/Bbl on September 30, 2026 at 5:00 PM EDT?”. The Kalshi Eye archive lists 90 of its markets and has 13 days of daily Parquet files from October 12, 2026 to October 24, 2026 (87 MB), with every order book change and trade.

Venue: Kalshi, series KXBRENTMON
Category: Commodities, monthly
Markets: 90 (60 settled, 30 open)
Files: 13 days, October 12, 2026 to October 24, 2026, 87 MB, 14,101,464 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 Brent Monthly 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 KXBRENTMON 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=KXBRENTMON/trades-KXBRENTMON-2026-10-24.parquet'
ORDER BY ts_recv;

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

Related Kalshi series

Brent Oil Daily (KXBRENTD): 250 markets, 13 days of files
Brent 15-minute (KXBRENT15M): 218 markets, 3 days of files
Brent Oil (KXBRENTW): 140 markets, 13 days of files
Natural Gas Monthly (KXNATGASMON): 130 markets, 13 days of files
Copper Monthly Price (KXCOPPERMON): 120 markets, 13 days of files
Platinum Hourly (KXPLATINUMH): 17,725 markets, 10 days of files

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