Natural Gas Monthly is a monthly commodities series on Kalshi, with markets like “Will the natural gas close price be above 4.899 USD/MMBtu on September 30, 2026 at 5:00 PM EDT?”. 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 (23 MB), with every order book change and trade.

Venue: Kalshi, series KXNATGASMON
Category: Commodities, monthly
Markets: 130 (80 settled, 50 open)
Files: 13 days, October 12, 2026 to October 24, 2026, 23 MB, 2,547,205 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 Natural Gas 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 KXNATGASMON 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=KXNATGASMON/trades-KXNATGASMON-2026-10-24.parquet'
ORDER BY ts_recv;

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

Related Kalshi series

Natural Gas 15-minute (KXNATGAS15M): 1,030 markets, 12 days of files
Natural Gas Daily (KXNATGASD): 920 markets, 13 days of files
Natural Gas Weekly (KXNATGASW): 200 markets, 13 days of files
Copper Monthly Price (KXCOPPERMON): 120 markets, 13 days of files
Brent Monthly (KXBRENTMON): 90 markets, 13 days of files
Platinum Hourly (KXPLATINUMH): 17,976 markets, 10 days of files

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