Price of a Burger King Double Whopper this month is a monthly economics series on Kalshi, with markets like “Will the average U.S. price of a Burger King Double Whopper for September 2026 be at least $8.10?”. The Kalshi Eye archive lists 12 of its markets and has 13 days of daily Parquet files from October 12, 2026 to October 24, 2026 (311 KB), with every order book change and trade.

Venue: Kalshi, series KXBKDWHOPPER
Category: Economics, monthly
Markets: 12 (6 settled, 6 open)
Files: 13 days, October 12, 2026 to October 24, 2026, 311 KB, 14,907 rows
Datasets: Order book (L2, incremental), Order book snapshots (top 10, 1 second), Top of book (every change), Top of book (1-minute bars)

Open Price of a Burger King Double Whopper this 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

KXBKDWHOPPER minute bars on October 24, 2026, in DuckDB:

SELECT minute, ticker, mid_close, yes_bid_close, yes_ask_close, trade_count
FROM 'kalshieye-data/bbo_1m/date=2026-10-24/series=KXBKDWHOPPER/bbo_1m-KXBKDWHOPPER-2026-10-24.parquet'
ORDER BY minute;

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
Diesel Prices month (KXDIESELMON): 77 markets, 13 days of files
US PPI YoY in [month] (KXUSPPIYOY): 70 markets, 13 days of files
Month over month inflation (KXECONSTATCPI): 61 markets, 13 days of files
US airline fares CPI in [month] (KXAIRFARECPI): 61 markets, 7 days of files

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